Hey!!!
We are a professional software company having around more than 100 developers working with us having 8+ Year experience in Android / iPhone app development.
We will surely help you to develop native messaging APP according to the guidelines you have stated like:-
1:- App consists hide chat option
2:- Giving complete privacy to the user
3:- No data of the user will be taken
4:- User account can be only be created by OTP
5:- Age of 18+ will be mandatory
6:- Availability of stickers in chat, music, status update, news
We have read your requirements and it’s something that we are able to do.
We are expert in SWIFT, Core Java, OOPS, Android Development, Eclipse, Android Studio,OTP verification, Web Services, Social API Integration, Parse Integration, Google API, Google Maps, Google Analytics, 3rd Party API, JSON Parsing, XML Parsing, Custom Camera, Push Notifications and many more things
We are ready to start work immediately and assure high-quality results.
We can discuss more on chat.
Regards
Lalit Patel