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    2,000 simple mobile apps source code jobs found, pricing in USD

    ...when I preview the page on mobile, I'm facing an issue with the layout structure. The elements are not resizing correctly for mobile view. Key Requirements: - Fixing the layout structure: I need the elements to be correctly sized for mobile view to ensure a consistent user experience across all devices. - No additional mobile-specific features: Ensure that the page loads correctly on mobile devices without any additional mobile-specific features or functionality. Ideal Skills: - Proven experience in Elementor Pro theme builder. - Strong understanding of responsive web design. - Excellent problem-solving skills to identify and fix layout issues. - Familiarity with mobile-first design principles. If you're confident in your a...

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    Experienced Ionic Developer 4 days left
    VERIFIED

    Looking for an ionic developer. I have a website that users can upload images and videos. Similar to Instagram. Images work fine on both apps. Video uploads work on iOS app from camera but not library. Videos don’t work for either camera or library on android app. I am using ionic 5 version Who can help me?

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    ...runner mobile game themed on a food delivery courier navigating through an urban environment. Key features are: - Character Mechanics: The runner must be able to avoid obstacles, collect power-ups and coins, and swipe left or right to change lanes. - Urban Setting: The game takes place on busy city streets, and should depict a vibrant, setting to enhance engagement. - Integrated Ads: Merchant ads should be integrated into the game as banners on the buildings within the cityscape, to ensure smooth and non-intrusive monetization. Ads will be managed as videos, GIF, or images from the backend. Preferably, you should have prior experience developing endless runner games. A sound understanding of JavsScript-based game development is vital. All deliverables must include the complete...

    $750 - $1500
    Featured Urgent Sealed NDA
    $750 - $1500
    15 bids

    I'm in need of a comprehensive wedding website and app that will serve as a one-stop solution for all my wedding-related needs. Key Features: - RSVP Management: The app should be able to track and manage RSVPs from all invitees. - Wedding Countdown: A countdown feature to the wedding date. - Photo Gallery: A place to store and showcase the couple's photos and memories. - ...A feature to collect and manage dietary preferences of guests. - Seating Charts: Ability to create and manage seating arrangements. - Communication: Integration with WhatsApp to create a community for confirmed guests. - Create an app for it so can log in via website or app. I'm open to additional suggestions for features that can enhance the wedding experience. Experience in developing similar apps...

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    Weekly Quiz Native Mobile App 4 days left
    VERIFIED

    ●Platform Compatibility - Available on iOS and Android ●User Registration/Initial Setup - Users must set their Gender, Age, and City upon first launching the app ●Weekly Interaction - Users are presented with 7 questions to answer each week - Users have the entire week to respond to the questions - All responses are compiled and statistics are posted in the app every Monday ●App Sections - Section 1: Current Week's Questions - Section 2: Previous Week's Statistics - Includes a "Share" button to post statistics to Facebook, Instagram, Messenger, and other social media platforms - Section 3: Settings (allow users to update Gender, Age, City) ●Admin Features - Admin can input new questions each week for the users ●Notifications - Users receive ...

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    I require a proficient developer to create a comprehensive service app to be deployed for both iOS and Android platforms. I drew the design of the application in figma, I will attach a link with the drawing to see everything that is needed for the application. for service accessibility. Ideal skills for this project are Swift and Kotlin for iOS and Android respectively. Other necessary skills include a good understanding of backend development for handling user data, and proficiency in algorithm development for creating the ticket scanning feature. Experience in developing apps that have a messaging system integrated would be beneficial. Similarly, past experience in providing workable scanning solutions in apps is also preferred.

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    I work for a security company. We needed a spreadsheet to track security units and track what they're doing. I have the code almost perfect, but it's buggy enough that it's hard to use. There's quite a bit of backend code and intermittent problems with it. I need someone who is great at project code to look at it, troubleshoot it and make it more user friendly.

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    I'm looking for an experienced professional to test Stock Trading applications, preferably with experience in the financial sector. Key Points: - Primarily concerned with the Stock Trading aspect - You are required to have experience in the field Please do not hesitate to include your stock trading experience in your application.

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    Mobile APP Development 4 days left
    VERIFIED

    Mobile APP development for a property listing , buying and selling business. Basically the user should be able to list the property , upload the property images and video. The transactions involve the following 1. Property Listing for sale or rental , 2 Post images and videos of property , 3 Admin approves the listing , 4 Location based search, 5 property type based search, rental or sales based search , Price range search and type based search. User should be able to list the property for sales or rental. 6. Shortlisting of property. Wish list or keep an eye on property.... User notification and any new listing.

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    I'm looking for a skilled app developer who can create an Anxiety Relie...focus on Breathing Exercises. Key Features: - Development for both iOS and Android platforms - Design and integration of simple, effective and user-friendly interface for Breathing Exercises - Basic app functionality without user accounts and personalization features Ideal Skills: - Experience in developing mobile applications for both iOS and Android - API integration for smooth functionality - Knowledge of user experience (UX) and user interface (UI) design - Prior work on apps related to health and mindfulness is a plus Please note that the app should provide a seamless and intuitive experience to help users in times of anxiety. If you have experience in similar apps, please pro...

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    Looking for a seasoned developer well-versed in creating a comprehensive online tutoring and course website with an accompanying mobile application. Key Features: - User Registration and Login: The website and application should allow users to register and login seamlessly. - Course Management: The platform needs to accommodate academic courses, professional development courses, and language courses. - Online Payment Integration: The website and app should have a secure and hassle-free online payment system integrated for course enrollments. Mobile App Specific Features: - Course Enrollment: Users should be able to browse and enroll in courses directly from the mobile application. - Live Video Streaming: The app should support live video streaming for interactive...

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    I need some easy work in Android I need some android apps using java I need easy work at low budget but for long term I need work from Pakistan freelancer

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    Unity automation 4 days left
    VERIFIED

    Hi We are building one app launcher that will have many apps in it, we are working hard to adjust all apps to fit it and we need automation to scale our manual work, what we do is: if you know a way this can be done using automation please reach me first i open each games in unity to see the libraries they are using than i delete the In-app purchase and ads libraries After deleting the libraries, we get errors in codes that uses ads and lAP, so i fix them than i modify the code to give the in app items to users for free Than i have to check for all the static variables used in games, because they needs to get reset every time user come back to home page, else, they will get error the next time we play the game Than i have to create bundle of all the images, soun...

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    I require an experienced web designer to build a music app themed mobile website. This project involves designing and developing a music streaming feature with specific characteristics: - User Login through Google OTP - An exciting interface that categorizes and displays various music genres and choices. - Implementation of banners for promotional purposes. - Multi-language support to cater to an international audience. - 04 Categories Tab Ideal candidates should possess high proficiency in responsive mobile web design, UX/UI design, and should have experience dealing with music streaming platforms. Your portfolio showcasing similar projects will be highly regarded.

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    I'm looking for an experienced Android developer to create an app that will facilitate e-commerce sales. Here are some key details about the project: - I'm primarily looking for a developer with a strong portfolio of past work. I want to see examples of successful e-commerce apps you have developed. - The goal of this app is to drive sales. Therefore, I expect the app to be user-friendly, secure, and have a seamless checkout process. - Experience with integrating payment gateways and managing user data securely would be an added advantage. - You will be expected to develop and implement user authentication features to ensure secure transactions. - Push notifications to keep users engaged and informed about new products and offers will also be necessary. - An underst...

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    We need an online Virtual assistant to help us with our company tasks such as social media posts, research data entry etc... The tasks are very simple, however, this will be ongoing, daily work for the foreseeable future. Must be reliable and consistent in order to be successful in this role.

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    +++PDF with details enclosed+++ Dear Freelancer: I need an experienced game artist to create 4 (FOUR PCS) unique 3D scenes for a mobile game aimed at children aged 6 to 12. Here's what I'm looking for: - You can choose the themes. Be creative and make them standout and interesting. - All scenes should have a 3D pop-up effect. This will help grab the attention of the kids who will be playing the game. ALWAYS understand that its a background scene so leave the PLAYFIELD free for characters!!! It needs to be very present but in a very modest way if u understand what I mean. Ideal Skills and Experience: - Prior experience in creating game scenes, particularly for children - Proficient in 3D design - Ability to make scenes distinctive and engaging - Fami...

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    We have an astrology app but its assets are purchased. So we want to recreate these assets without changing the color scheme. Must be unique Must follow the same color scheme You are free to utilize your creativity Minimum dimensions must be 1080px and must follow the same aspect ratio as the original file Please quote for 10 files/assets that need to be recreated. We will provide more if we like your work.

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    I require a 3D design for charcoal briguettes bag with source in PSD. - English written - Sample of the bag is in the attachments. Same style - Include used fonts in the source file - Transparent background - Bag color: Black - Name: KING OF FIRE - Slogan: Premium Charcoal - Details to be added: 3 hours of lasting time (under the logo somewhere), 10 KG (at the bottom) - Add a icon or logo of a charcoal that is burning under the slogan.

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    I'm in need of a skilled Flutter developer to assist with a variety of tasks related to my mobile app. - **UI Design**: While I have a design ready, I would appreciate it if you could ensure its proper implementation. Your input and suggestions for improvement are more than welcome. - **Backend Integration**: I need help with the complete backend integration of the app. This includes the development of app functionalities and endpoints. - **Bug Fixing**: As with any project, bug fixing is crucial. I want someone who has a keen eye for detail and can ensure the app is running smoothly. Ideal candidates should have prior experience in Flutter development and be comfortable handling UI/UX design, backend integration, and debugging tasks. Experience in designing app functionaliti...

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    I'm in need of a skilled app developer to create an e-commerce grocery app exclusive for Android. Key Project Features: - It should support mobile wallet payments such as Apple Pay or Google Pay. - The app must include a secure user authentication system via phone number and OTP. Preferred Qualifications: - Proven experience in developing Android apps, particularly e-commerce applications. - Knowledge about implementing secure mobile wallet payment methods. - Ability to integrate phone number with OTP authentication system effectively. - Understanding of the grocery retail landscape will be a plus. This project requires precision and a strong focus on user experience so please only bid if you have relevant skills and experience.

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    I am in need of a skilled developer who can create an Android app along with a modern website. The platform should be similar in nature to popular astrology apps like Astrotalk, Astro Sage, and AstroYogi. Key Features: - Horoscope Predictions: A feature that provides daily, weekly, and monthly horoscope readings. - Kundli Matching: Functionality to allow for the matching of Kundlis based on astrological compatibility. - Live Astrology Consultations: A platform for users to have live consultations with experienced astrologers. - Chat & Call with Astrologer: A feature that enables users to interact with astrologers via chat or call. - Story: A section for daily, weekly or monthly astrological stories and updates. - Wallet: Incorporation of a virtual wallet system for in-app purch...

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    I'm keen on creating an app that fosters an enthusiastic gardening community while providing essential care tips for different plants. This app will cover vital purposes such as helping users track plant watering and fertilizing schedules and identifying plant species. I ...where users can interact with like-minded plant lovers and share advice on various gardening topics. - Plant Care Guide Mock-Up: For now, this section will be a placeholder, attached to the API separately later. Nonetheless, the future plan for this section comprises in-depth plant care instructions. The ideal freelancer for this project would have experience in developing community-oriented apps and a grounding in user experience design. Knowledge in creating mock-ups and interfacing with APIs will...

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    Project Overview: We are looking to develop a cutting-edge mobile application dedicated to supporting individuals in their health and wellness journeys. This app will stand out by integrating directly with a Wi-Fi-enabled smart weighing scale to automatically capture and sync weight and body composition data to the user's profile. The application will include features such as personalized goal setting, live wellness classes, and comprehensive health tracking. We seek a development team capable of executing this vision on both iOS and Android platforms within a strict three-month timeframe. Key Features and Functionalities: Smart Scale Integration: Integration with a Wi-Fi-enabled smart weighing scale to automatically update the app with the user’s weight and body fat per...

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    Desktop AI App for Mac 4 days left
    VERIFIED

    ...assisting with generative AI by allowing users to call both proprietary LLMs like OpenAI, Claude , Gemini and open source self hosted LLMs using ollama, LMstudio. The expected functionalities should include: • Image Generation: The app should be capable of rendering unique creations from existing databases, or random generation with specifications. • Music Composition: The app should generate original music based on selected parameters, showing its understanding of various music theories. • Text Generation: The app should produce coherent and relevant texts depending on the context provided. The ideal candidate would have prior experience in building Mac desktop app, AI apps and a solid understanding of modern UI design, ensuring a visually appealing inte...

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    I'm seeking the expertise of an experienced Ethical Hacker. Your primary task would be: - Conduct a comprehensive vulnerability assessment of a mobile application Here's what you'll need for this role: - Proven understanding and experience with Local Area Network (LAN) systems - Expertise in conducting vulnerability assessments - Solid comprehension of mobile application structures and their potential security weak points. Your mission will be to identify loopholes and vulnerabilities that may exist, in order to uphold our commitment to providing a secure mobile application for our userbase. Your keen insight and detailed feedback on any potential weak points found will be instrumental to our ongoing development and fortification efforts.

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    ...developing an AI Chatbot using the ChatGPT API integrated with Langchain, primarily for Customer support purposes. I'm looking for expert advice on enhancing and refining the existing code in the following key areas: - Handling User Input: I need guidance on improving the bot's ability to understand and process a wide variety of user inputs smoothly and effectively. - Generating Accurate Responses: I require assistance in fine-tuning the bot's response generation to ensure it provides relevant and accurate information to users' queries. - Performance Optimization: I am seeking recommendations on how to optimize the code for better speed, efficiency, and overall performance. The level of customization I'm aiming for in the Chatbot's responses...

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    I am in need of a proficient mobile app developer for my project. The objective is to develop a robust application for both iOS and Android platforms that merges with an ERP system. Please note the specific functionalities required: • User Authentication: The app should be capable of effectively managing user log in details and security. • Data Visualization: Adequate implementation of visual data representation, providing clear insights. Your experience in cross-platform application development would be advantageous, particularly familiarity with platforms such as Flutter or React Native. Also, a sound understanding of API integration is necessary, as the app will need to communicate and exchange data with an ERP system. Please provide relevant examples of your past wo...

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    I need a Telegram Web App Simple menu with 4 buttons: Connect TON wallet, Info, Mint NFT, Refer a friend Design is ready Here’s example

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    I need a skilled Android developer who can efficiently develop a wonderful user interface for my app. - Important Features: The primary functionality would be to include push notifications for updates. This will keep users engaged and aware of any changes or updates. - Preferred Aesthetics: I am keen on a light theme with soft colors. The aim is to create...soothing and user-friendly interface. - Design Style: I desire the design to be feature-rich and detailed, thereby providing users with a comprehensive and immersive experience. Optimal skills would include proficiency in Android development, particularly in implementing push notifications, knowledge of effective UI/UX design, and excellent attention to detail. A portfolio of previous Android apps with impressive UI/UX would ...

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    I'm searching for an experienced Android app developer ...Potential Features may include: - User registration and login: I am still considering whether these features will be included or not. Therefore, a knowledge of integrating user registration will be favorable. The ideal candidate will have a strong background in Android app development, preferably with experience building educational apps or apps with similar functionalities. They should have great understanding and experience in creating user-friendly apps with text-based content and interactive features. Understanding of user registration and login system would be a plus. This project requires creativity, careful attention to detail, and a user-centric mindset. Let's create an app that will make le...

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    ...application. Key Responsibilities: - Develop a fully functional social networking app for iOS - Implement essential features like user profiles, messaging system, news feed, etc. - Ensure the app is user-friendly and engaging - Regularly update the app based on feedback and requirements Ideal Skills and Experience: - Proficient in iOS app development - Previous experience in developing social networking apps is a plus - Strong understanding of user interface design and user experience - Ability to work with minimal supervision and meet deadlines - Excellent communication skills to understand and implement project requirements This is an urgent project, but there's no strict deadline. I'm looking for a dedicated professional who can deliver a high-quality app within a...

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    need a IT-Project Manager who have good experience in managing the developer and get the project completed within the deadline, must have delegation skills. Must have good knowledge on MERN stack including React Native 10-15 hours a week would work

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    I'm looking for an expert in animation. I don't necessarily need website development or mobile apps, but I need someone highly skilled in creating animation images. Here's what I'm looking for: - Past Work: Please include examples of your past work. This is a crucial factor in my selection process. Ideal Skills: - Proficiency in creating high-quality animation images Experience: - Previous experience in creating animations is highly desired. I'm excited to see your past work and start this project with you.

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    I'm in search of a skilled app developer to create a mobile application for both Android and iOS. The primary purpose of this app is to facilitate my fitness training services. Here's a more detailed breakdown of the project requirements: - The app will serve as a platform to feature multiple workout videos provided by me. Users will have the ability to watch these pre-recorded sessions. - A key feature of this app is the ability for users to schedule personal training sessions. This should be designed with a calendar view, allowing for easy and intuitive navigation. - It is essential that the app is built under our licence, with the understanding that this will be an ongoing project with continued input and maintenance from our end. Ideal candidates for this project w...

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    I'm in need of a talented developer who can assist in creating an application that can present a Unity 3D brain image on Android and iOS platforms. This job would require: - Proficiency in Unity 3D and Android development, with experience in iOS being a considerable asset. - Previous work in creating similar apps or integrating Unity 3D into Android and iOS platforms. - The ability to work under a tight deadline, as the project must be completed within a week If your skill set matches these requirements, do submit a bid. I look forward to working with an experienced and driven individual on this project

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    AI Age Estimation Mobile App 4 days left
    VERIFIED

    I am in need of an expert in AI development to create a mobile application that accurately predicts a person's age based on their facial features. Key points: - Aim is to deploy the AI model as a mobile app for both iOS and Android platforms. - The model should be highly accurate in terms of age estimation. - The app should have a simple and user-friendly interface. - The ability to analyze a photo and provide an age estimate is crucial. Skills and experience needed: - Proficiency in AI development, particularly in age estimation from facial features. - Prior experience in creating mobile applications for both iOS and Android. - Strong understanding of user experience, to ensure a seamless and engaging interface. - Knowledge of image processing and anal...

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    ...photos using the device's camera with overlays for composition or guidance. Apply various enhancement features to improve the photos, such as: Brightness and contrast adjustment Color correction Applying filters Cropping and resizing Save the edited photos to the device's storage. Technical Skills: Proven experience in Flutter development Familiarity with camera access and integration in Flutter apps Experience with image manipulation libraries in Flutter Knowledge of implementing custom overlays on the camera preview Bonus Points: Experience with integrating image editing SDKs Experience with cloud storage for saving edited photos (optional) Project Timeline and Budget: Please outline your estimated timeline for completion and your project rates in your proposal. P...

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    We require an ethical hacker with expertise in mobile game security. Focused specifically on player data handling, our project aims to identify vulnerabilities in our system, test the effectiveness of our security measures, and improve the overall security of our network. The ideal freelancer for this job should have: - Experience with ethical hacking. - In-depth knowledge of player data security measures. - A proven track record on mobile game security. Your duty will be to run exhaustive checks and tests to identify weaknesses and areas for improvement within our mobile game security system to ensure utmost data protection for our players.

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    I am in need of a skilled .NET developer, someon...gateway integration, ideally familiar with 2D/Sekretpay. - I've made modification to the code that should enhance the existing functionality of my project. Specifically, this is regarding a custom payment gateway where I have changed the API token. - Your role will be to assist in updating this code on the .NET framework, ensuring that changes made don't compromise any other functionalities. - Ideally, you should have prior experience in working with .NET and specifically in the realm of payment gateways and handling API changes. This will allow you to understand the complexities of the job better. If you believe you've got the skills and experience needed, I'd love to hear from you. Let's g...

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    ...can conduct a comprehensive basic vulnerability scan on my mobile application, as well as set up continuous real-time monitoring. The project involves: - **Basic Vulnerability Scan**: The task at hand is to thoroughly investigate and identify any potential vulnerabilities in the mobile application. This requires expertise in mobile application security and penetration testing. - **Continuous Real-time Monitoring**: Following the vulnerability scan, the security expert will be responsible for setting up a real-time monitoring system. This will help in the prompt detection and mitigation of any future security threats or breaches. The ideal candidate should have: - Proven experience in cyber security, with a specific focus on mobile application security. - ...

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    We aim to streamline our meeting workflow by adding custom agenda and action item features directly within Outlook's meeting creation interface. The add-in should allow users to input agenda items and action items while creating a mee...Therefore, the focus of this project is solely on the development of the Outlook add-in. The add-in's responsibility will be to capture meeting details, including agenda and action items, and pass them to an API endpoint. The Salesforce team will handle the rest, including data processing and integration with our Salesforce application. For further clarification we are looking for similar to following apps

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    We are in need of a proficient Flutter developer to enhance our mobile application. The focus of this project is to refine the functionality of the Trending Screen, specifically to display products currently available on Wishive, which are integrated with Woo-Commerce and modify the click behaviour for in-app web-view. API calls will be provided. Below is a detailed breakdown of the tasks involved: 1. **Modify Trending Screen:** - Remove the search bar object located under the Wishive Live Marketplace bar. - Delete categories (breadcrumb) displayed under the search bar. - Eliminate the "Add to Cart" button from the products taxonomy. - Modify the display of thumbnail product images to fetch from the CDN entry from API dataset instead of the internal media gall...

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    I'm in urgent need of a mobile backend developer with profound experience in Python Flask. Your primary task will be to integrate and create APIs on my current database structure. - The API should be able to perform: data retrieval, data modification, and user authentication among others. - Your success in this project is highly dependent on your ability to work with a moderate complexity level of database structure. - I'm looking for someone who can start on this project immediately, as the urgency for the API integrations is high. Key Skills and Experience: - Proficiency in Python Flask for backend development - Proven experience in integrating and creating APIs - Ability to work with moderate complexity databases - Strong knowledge in data retrieval, modification, and...

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    we are in the need of a simple multi image ( 28 square images on one 16/9 fullscreen ) slideshow, should be windows based, can also be mac based. The app will be used once to playout multiple pictures ( 800 ) taken at an event. App setup settings should be : select folder ( will be dropbox folder which has to be researched for new photos while running ) select image presentation time ( images show for 5-15 sec and then should fade to next image ). after setting up the app should be executed in full screen, exit via 'escape`. as soon as there are more than the 28 images in the folder it should be avoided to have double images shown.

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    As an e-commerce business owner, I'm in search of an experienced Android app developer, ideally with prior experience in the e-commerce sector. Specifically, my operation sells and delivers groceries. The select...groceries. The selected freelancer will develop an intuitive, user-friendly app focusing on the following key functions: - Purchase Products: A smooth, uncomplicated purchase experience is essential. Customers should be able to add groceries to a shopping cart, and make a secure payment directly from the app. The most ideally suited developers will have a portfolio showcasing dynamic e-commerce apps, specifically those tailored towards grocery shopping. Creator's ability to design logically structured interfaces, while ensuring effortless navigation will be...

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    ...you to fully deliver a cross-platform mobile application with the following features: user authentication and in-app purchases. The primary requirement is to ensure the app is compatible with both iOS and Android platforms. Your application should focus on showcasing your experience in Flutter development. Please provide examples of relevant past work you have completed in this space. Experience developing apps with user authentication and implementing in-app purchases will be highly valued. The successful freelancer will need to demonstrate: - Proficiency in Flutter with a strong portfolio of previous work - A good understanding of mobile app development, especially in user authentication and in-app purchases - Experience in creating cross-platform apps ...

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    ...you to fully deliver a cross-platform mobile application with the following features: user authentication and in-app purchases. The primary requirement is to ensure the app is compatible with both iOS and Android platforms. Your application should focus on showcasing your experience in Flutter development. Please provide examples of relevant past work you have completed in this space. Experience developing apps with user authentication and implementing in-app purchases will be highly valued. The successful freelancer will need to demonstrate: - Proficiency in Flutter with a strong portfolio of previous work - A good understanding of mobile app development, especially in user authentication and in-app purchases - Experience in creating cross-platform apps ...

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    ...educational activities. Key Features: - The app should be user-friendly and intuitive, with a focus on educational content. - The design should be clean, modern, and suitable for all types of users, especially students and educators. - It should offer varied educational resources, such as lessons, quizzes, and maybe even simple games to enhance learning experience. Key Requirements: - Experience in Android app development is a must. Please provide examples of previous apps you've developed. - Knowledge in educational app development or projects is a plus. Demonstrable experience in this area will be highly valued. - Strong UI/UX design skills will be advantageous. The ability to create engaging, visually appealing interfaces will be a big plus. Please note that th...

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    We are in search of a skilled PHP developer to assist us in optimizing the code of our WordPress plugin based on feedback from WordPress. The ideal candidate should have a strong background in PHP development, particularly within the WordPress ecosystem, and be familiar with best practices for plugin development. Responsibilities: - Review and analyze feedback provided by WordPress on the performance and quality of our plugin code. - Identify areas for improvement and optimization within the existing codebase. - Clean and refactor code to enhance performance, security, and maintainability. - Collaborate with our development team to implement necessary changes and improvements. - Conduct thorough testing to ensure that the plugin functions correctly after optimizations...

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