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Android and IOS app development

I'm looking for quotes for the job description below. Please provide a detailed proposal and a quote to do the job. Attaching evidence of past work is a plus.

I need an app to communicate from user app to website user via voice data only using a provider such as sinch. The app should have a simple 1 page interface with just a button to connect the call.

deliverables : all source code for IOS and android app.

Taidot: Android, Mobile App Development, iPhone, iPad, Java

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Tietoa työnantajasta:
( 0 arvostelua ) na, Singapore

Projektin tunnus: #23328090

94 freelanceria on tarjonnut keskimäärin 7942$ tähän työhön

Teknowledge

Hello, I'm a full stack web/mobile app developer and I have 12 years of experience and very strong with all the latest enterprise class technology standards. Is it possible to brainstorm your project in detail? Lisää

$10000 USD 25 päivässä
(219 arvostelua)
9.7
aistechnolabs

Greetings..!! AIS Technolabs (Expert Application Developers) is a dedicated team with over 8 years' experience and a strong workforce of 240+ Professionals.  Please have a look at our expertise: https://play.google.c Lisää

$10000 USD 30 päivässä
(73 arvostelua)
9.1
winmaclin

Hello, After reviewing job description, COMMUNICATION based iOS/Android app can be definitely developed by us via voice data with simple 1 page interface and button to connect the call as per your needs with Sinch A Lisää

$5000 USD 50 päivässä
(767 arvostelua)
9.6
taskmanageryd

Hi, I read through the job details extremely carefully and I am absolutely sure that we can do the project very well on time and within your budget. We are having vast experience over Android, iPhone (Swift + Object Lisää

$10000 USD 40 päivässä
(459 arvostelua)
9.1
AAPBD

Hi there, I am Shafiul Alam Biplob, 10 years experienced Software Architect, Android, API, and UI/UX Expert. Our brand product is AppBajar, which is a multi-vendor, multilingual Android App marketplace. Let's discu Lisää

$10005 USD 7 päivässä
(161 arvostelua)
8.8
amitorada

Hello Dear, As per your requirements, I will develop an Android and iOS app. Can you share more requirements? I have more than 5 years of great experience in mobile application development on Android and iOS platform Lisää

$15000 USD 7 päivässä
(169 arvostelua)
8.4
miodragstajic

Dear Sir, We did many similar project and we will provide it in the highest quality. I'm representing Falcons Interactive Ltd. and we did over 200 high-end Apps, websites and software for worldwide companies, giving Lisää

$10005 USD 45 päivässä
(23 arvostelua)
8.3
gahisharma

Dear Client,Hope you doing well. I have gone through your requirement and as per my previous work experience i am ready to start work immediately on your project. yes i am very much expertise with Java script,XCode,O Lisää

$1000 USD 50 päivässä
(68 arvostelua)
8.0
ifluxsolution

Experienced with VOIP based calling Apps & Sinch. Hello there, I have read your requirement of calling app using Sinch. I have experience working with VoIP APIs as well as SDKs from third parties like Sinch, Twilio, Lisää

$10000 USD 35 päivässä
(51 arvostelua)
8.0
harishparas

Hi I have read your project description for the Android and iOS app development. As per your description, the app will integrate using the Sinch API and will allow the user to communicate from mobile app to the web in Lisää

$1000 USD 30 päivässä
(121 arvostelua)
7.8
MobiStudioz

Hello I read the job post, please check our work understanding, we had done lots of Voice, Video apps with XMPP, Quickblox, APIS , let me know if we can discuss the work ►►Email Letter -Voice Communication Mobile Ap Lisää

$7500 USD 60 päivässä
(44 arvostelua)
7.9
monitrix

Hi, As per my understanding you need native android + iOS app having voice calling feature, I already worked on various native apps having voice/video calling and chat feature Have a look :- [login to view URL] Lisää

$5000 USD 40 päivässä
(63 arvostelua)
8.1
sptechnocrats

A Warm Hello, We are readily available to help you with the designing and development for your mobile apps for Android & IOS It will be great if you can share your requirements with us like what is a What is the Conce Lisää

$5000 USD 60 päivässä
(29 arvostelua)
8.0
mitss

Hello We are more than 8 + year experienced programmer team & we provide you our best Quality App, beyond your desires with Long terms tech support & [login to view URL] me your IOS/Android app requirement document & chec Lisää

$10000 USD 30 päivässä
(110 arvostelua)
8.0
yashtechsolution

Hello, I have seen your project post as you need Mobile app like ,I have capable to build app according to your needs and project scope and will give you all file and source code end of project on delivery , please y Lisää

$5000 USD 20 päivässä
(98 arvostelua)
7.6
flance9

Hi there, Thank you for sharing your requirement. Hope you are doing good and having a nice day. We are a team of technocrats having 8+ years of experience in Web and Mobile design plus development and primarily deal Lisää

$10006 USD 7 päivässä
(35 arvostelua)
6.9
omsoftware

Hi Shi Jun N., Greetings from Om software My name is Sonal. Overview of requirement specs is clear though a close discussion is needed to clarify functionality. Are you available to start the discussion right now? Lisää

$7866 USD 7 päivässä
(23 arvostelua)
7.3
tekzee

Hi there, I hope you are doing good!!! I have gone through your requirement regarding "Android and IOS app development" project and found this to be a perfect match. I have 7+ years of experience in Android and iOS Lisää

$5000 USD 50 päivässä
(91 arvostelua)
7.3
wmtech

Hello Greetings! The requirement is to develop an android and iOS application. QUERY: DO YOU HAVE ANY REFERENCE OR REQUIREMENT DOCUMENT? OR WOULD YOU PLEASE SHARE THE APP IDEA, SO CAN OFFER SERVICES/SOLUTION ACCORD Lisää

$13500 USD 60 päivässä
(20 arvostelua)
7.3
promactinfo

Hello, We are a team of 140+ experienced software professionals with 15 years of experience in App Development. Our engineers are highly skilled and experienced in developing apps with Android, iOS (Objective-C, Swift Lisää

$8000 USD 30 päivässä
(8 arvostelua)
6.7