Upgrade an app

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Hi, please share APK or video or app store url of your app along with list of new features we will have to work on in this app project. Please message me on freelancer chat and let's talk about your requirements in de More

$100 USD in 7 days
(71 Reviews)

18 freelancers are bidding on average $155 for this job

(192 Reviews)

Hello, Greetings…!!! I have gone through your requirements and understood that you want to develop a logo/website/application. We would like to tell you that we already have made a lot of Android, IOS mobile applicat More

$140 USD in 7 days
(13 Reviews)

Hi I am a proficient mobile app developer , who has a 6 years experience of developing the world-class iOS and Android apps. Also, I have a lot of experiences with third-party libraries and APIs, such as social media, More

$140 USD in 7 days
(11 Reviews)

I'm Yuri from Armenia, who is a creative and talented Mobile App developer with around 7 years of experience in Native(Java/Kotlin and Swift/Objective-C) and Hybrid(Flutter and React Native) app development, and very i More

$140 USD in 7 days
(15 Reviews)
(21 Reviews)
(41 Reviews)

Hello Warm Greetings! We are excited to get to work on your mobile app, creating a mobile app is exciting, and our expert team is fully capable of giving you something unique that will help grow your business. Pleas More

$140 USD in 40 days
(27 Reviews)

Hi, The project owner! After reading the Android/iOS app developer, I am very impressed with your project and now have a full understanding of it. I am extremely experienced in iOS and Android app development with 5 y More

$250 USD in 7 days
(28 Reviews)
(21 Reviews)

--------------Android & iOS Expert------------ Hi, Dear Client! Hope you are doing very well. I am here as senior App developer to give you satisfaction. I have already read your description carefully and I am confi More

$140 USD in 7 days
(5 Reviews)

Hello, Hope you are safe & doing great! I have checked your requirement & ready to upgrade your [login to view URL] are a professional team of developers,designers,QA & Project manager having more than 12+ years of experie More

$140 USD in 12 days
(3 Reviews)

Hello. It is Branium Tech. I have read your post fully and send you my proposal as I am proficient in apps and could implement your project perfectly. With my top skills and experience and passion to dig into new thing More

$200 USD in 7 days
(6 Reviews)

Hi there! Hope you are doing well. I have read your requirements carefully and I am sure that I can complete your project. I am a fullstack developer with 5+ years of experience and I have good knowledge in hybrid mobi More

$200 USD in 7 days
(4 Reviews)

Hello, I have read your description and I have plenty of experience in upgrading apps, if my profile is not enough to satisfy you I can share even more my latest projects with you and I will work with you till you get More

$111 USD in 7 days
(1 Review)

Hi. How are you? I'm very interested in your project. I'm a professional mobile app developer with 5+ years' experience. I think I have enough skill and experience for your project and I'm ready to start work immediate More

$140 USD in 7 days
(1 Review)

Hi, Are you looking for a something like great in a website for your business? Are you finding any difficulty with some server errors or want to speed up your website load time? Do you need a custom plugin for your Wor More

$140 USD in 7 days
(0 Reviews)

Hello, I have read your requirements. I have experience of adding new features to an app. But I have few questions related to the app. I have developed 10+ mobile applications having different scopes. I can tell you More

$140 USD in 7 days
(0 Reviews)