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IM Chat and Voice Application for iOS, Android and Windows

We need someone whose working hours are US Eastern Time normal business hours (9 AM to 6 PM).

Main requirements:

- Individual & Group Chat (Text & Files): App user to/from app user; App user to/from non-user (via third-party SMS/MMS API)

- Back-end Server & API: To retrieve recorded communications (chat and voice) stored on app server into our customer admin console

- Voice Calling: App user to/from app user; App user to/from non-user

- Complete installation instructions for the whole system for an on-premises setup.

For communication between app users and non-users we would need each app user to have a virtual number. We have accounts for third-party APIs to create virtual numbers OR we can get whatever you recommend.

The first deliverable would be the back-end server package and an iOS client app plus source code for both. Once that is completed, we would need an Android app followed by a Windows Phone app.

Details are listed in attached file.

Beceriler: Android, iPad, iPhone, Yazılım Mimarisi, Windows Phone

Daha fazlasını gör: windows phone for business, voice to text android, virtual android, group text android, android voice to text, android virtual, android on windows, android group text, android for windows, android file system, middleware android windows ios, android windows ios developer, android windows application run, chat android windows, ios symbian android windows phone, convert windows phone application android application, chat android windows mobile, convert windows mobile application android, windows desktop application chat, google voice sms windows mobile application

İşveren Hakkında:
( 9 değerlendirme ) New York, United States

Proje NO: #8022418

Bu iş için 42 freelancer ortalamada $6677 teklif veriyor

aistechnolabs

Hii, I have gone through your requirement that you want to develop a IM chat and Voice call app for iPhone,Android & Windows. Based on my first level analysis, I have established following understanding about yo Daha Fazla

$7216 USD in 40 gün içinde
(76 Değerlendirme)
9.0
winmaclin

Hello, In view of the job posting done by you, we can definitely help you with your iOS and Android Application development needs based on your Main Requirements. We are not able to find any attached file in your de Daha Fazla

$5000 USD in 55 gün içinde
(763 Değerlendirme)
9.3
appstudiozsl

Hello,we've gone through the requirement details regarding your Chat/Voice App. We've good experience in this domain and developed around 10 Chat apps so far, would like to demonstrate our skills. We are well ver Daha Fazla

$15463 USD in 60 gün içinde
(33 Değerlendirme)
9.2
mandeepdhalor28

Greetings ! I am Senior Mobile Application Developer having more than 5 years of experience in this Trade. THE BEST PART IS THAT I HAVE WORKED ON THE Similar APP, There is a chatting module, tinder cards are als Daha Fazla

$5000 USD in 30 gün içinde
(65 Değerlendirme)
8.5
leadconcept

Greetings, I have read Project Description & understood the initial high level requirement but I think you forgot to attach the file, as there is nothing attached. Our current bid is just a placeholder, as we can Daha Fazla

$14432 USD in 80 gün içinde
(48 Değerlendirme)
8.6
beepig

Hi there, I'm a mobile applications development team manager and a developer myself too, and I'm very interested in your job post involving these skills. We have recently worked in iOS/Android/Windows Phone apps de Daha Fazla

$5555 USD in 30 gün içinde
(140 Değerlendirme)
8.4
monoLancer

Hi, Check my recent work history here. [login to view URL] My previous work include Quiz app(Trivia4Friends, Gamifio), Social apps(Censorgram), Video streaming app(Mentor, vConnect), , Daily Que Daha Fazla

$5263 USD in 30 gün içinde
(70 Değerlendirme)
8.0
voodoomobile

I have made chat apps before and can give you examples / demo. I have few questions so far: * I believe you realize that the app has to be integrated with a third party service for online calls ( you mentioned it bel Daha Fazla

$5263 USD in 30 gün içinde
(79 Değerlendirme)
8.0
ominfowave

Dear Sir, Trust us we can do this project as we had done similar project of our clients. We want to work with you and build a healthy longterm relationship so please contact us and discuss for this project before fi Daha Fazla

$5517 USD in 60 gün içinde
(232 Değerlendirme)
8.1
covernal

Hi, This is what I did just before. [login to view URL] Please let us meet on live chat. Also I can start to work immediately. Hope your reply. Best regards

$5263 USD in 50 gün içinde
(76 Değerlendirme)
7.9
qitsol

A proposal has not yet been provided

$5263 USD in 30 gün içinde
(58 Değerlendirme)
8.1
ghulammurtaza204

FortSolution ([login to view URL]) has been delivering high-quality, Low cost, effective and efficient business and technical solutions since 2009. We are providing design and development solutions In the follo Daha Fazla

$8888 USD in 40 gün içinde
(52 Değerlendirme)
7.7
seekdeveloper

Hi, I have read your post and understood your requirement and I have great experience in handling -Native: iOS, Android (Objective-C, Swift, Java), PhoneGap, JNI, NDK (C/C++),Cocoa, Cocos2d game engine, OpenGLES, Daha Fazla

$5000 USD in 45 gün içinde
(40 Değerlendirme)
8.1
NZTSolution

Hi Thanks for the posting. We have previously worked on multiple similar applications IM Applications Conversations:- [login to view URL] ConfiChat:- Daha Fazla

$6185 USD in 30 gün içinde
(41 Değerlendirme)
7.5
TeamValens

Hello Greetings from TechValens We are an Indore India based Company We have gone through your description and glad to put forward our candidacy for this [login to view URL] have developed an app similar to your descriptio Daha Fazla

$5263 USD in 30 gün içinde
(17 Değerlendirme)
7.8
omsoftware

Hello, I have checked your requirements as you need an app for IM Chat and Voice for iOS, Android and windows with described features and I am sure my team of experts UI/UX developer will deliver 100% exactly the wa Daha Fazla

$5154 USD in 30 gün içinde
(27 Değerlendirme)
7.5
phonedroidapps

Hello, Exact similar work: [login to view URL] We are working on similar work & we can provide you the similar work like whatsapp It will includ Daha Fazla

$5154 USD in 40 gün içinde
(12 Değerlendirme)
6.8
IvanDev

Hello, <MISSING DETAILED SPEC> I made similar applications before, but since we miss detailed spec file, I have few questions: 1. Backend have its own requirements mainly depending from load, how many users are you Daha Fazla

$16842 USD in 30 gün içinde
(36 Değerlendirme)
6.6
mobidesign

Hi, WE HAVE SECURED TOP 1% PLACE IN IPHONE AND ANDROID AMONG ALL SERVICE PROVIDER. IT SHOWS MY SKILL SET AND WORKING EXPERIENCE FOR MOBILE APP DESIGN AND DEVELOPMENT Kindly check our recent work: [login to view URL] Daha Fazla

$5263 USD in 30 gün içinde
(11 Değerlendirme)
6.8
surajitmitra

Hi, I am glad to share that we have worked on many chat [login to view URL] can work in US Eastern Time normal business hours (9 AM to 6 PM). 1. ChatChing (Messaging + Photosharing application) [login to view URL] Daha Fazla

$7916 USD in 60 gün içinde
(5 Değerlendirme)
7.2