Lets have a quick detail discussion regarding the feature so that you want in your app and then I will share my best timeline and budget for this.
We are IT company deals in App and Web development, App and Web designing, backend, SEO/SMM cloud services, and enterprise solutions.
We have knowledge of Xcode IDE(Objective-C), Swift, Eclipse IDE, React Native, Unity 3d, Android SDK, ADT Plugin, Java Programming, JSON, XML, flutter, Utility APIs, MySQL and SQL server database, super level UI design and much more.
PLEASE REVERT ME SO THAT WE COULD START ASAP.
Regards