VoIP app like Viber, WeChat, Skype for iPhone, Android, Windows Phone, etc

I would like to develop an app like Viber, WhatsApp or similar for iPhone, Android, Windows Phone, and possibly PC and Mac.

The app functions must include text, picture and video messaging across all platforms, with voice calling. The application's user interface shall include tab bar on the bottom giving access to messages, recent calls, contact, the keypad and a button for accessing more options. Upon installation, it should create a user account using one's phone number as username. Address book to synchronize with phone's address book so users do not need to add contacts in a separate book. All users must be registered with their phone number, the software returns all App users among one's contacts. Additional features include file sharing capability (photos, videos, audio, etc), location sharing, group chatting, user profile, possibility of syncing with facebook account, and potential for further upgrade. If possible Two versions of the app are required one with limited access to certain features and one version with full feature access.

Possibility of Multi-language platform for the above mentioned description. I need WeChat, Viber, MessageMe like application.

Skills: Android, iPhone, Software Development, VoIP, Windows Mobile

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About the Employer:
( 13 reviews ) Male', Maldives

Project ID: #4732137

24 freelancers are bidding on average $5500 for this job


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$20618 USD in 120 days
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We are ios, android experts.

$7216 USD in 60 days
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Hi, I am interested in discussing this further. Do you have an architecture diagram and workflow document?

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We have experienced Mobile app development team having experience more than 4 year and developed more than 500 apps for iPhone/Ipad, Android and blackberry and mostly on app store I will be very thankful to you if you More

$5263 USD in 30 days
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Hi Good Morning, Hope you are doing well. We have review your proposal and we found that we can fit into your requirement. We have very strong expertise in building small to large scale web application. So fa More

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Please check PM in your inbox . Expert here to help you.

$561 USD in 10 days
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Hi, MobiEos Software is a mobile application development firm, for more details check your PMB. Thanks, Vinay

$520 USD in 10 days
(5 Reviews)

Hi! how are you? We are looking for the long term business relationship with you and We have all strength and ability to do and develop all kind of apps and games. Please read my pm so we can move further.. thanks

$16494 USD in 40 days
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Expertise in Mobile Application Development. I can start the Project immediately. Please check PM. Waiting for your reply..

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Please see your PMB.

$1030 USD in 20 days
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Hi We are one of the best developer on freelancer. We can provide you a excellent solution as we are professional and experience. Read my PM for your ultimate solution. Have a nice day.

$5000 USD in 45 days
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Hello, We give you a best and fair solution for this project as "Papillonsoft" working on the basis of hundred percent Quality and Satisfaction measures.

$6185 USD in 40 days
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Kia ora! mulvays are a NZ based web and software design company who have seen you here on the freelance market and are really excited about working with you and treating you to the full service, profess More

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Hello sir, I am social network expert.

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Hi, We are a mobile company with around 4 years of games and apps programming experience in iOS and Android. We are very quality focused, detail oriented, competent and believe in strong work ethics. Thank you.

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Dear Sir, Techsfusion's ever growing "Smart Phone Apps Developer" and provides graceful solutions for further details check your PMB.

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Hi We have read your requirements. We are interested in your project as we have indepth expertise in Iphone,Android,BlackBerry & other mobile application development projects. Please check private message board for More

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