Hello, I am a mobile developer and can build your app using algorithm that you require for android and ios.
Your project may be make using Native or Hybrid app.
To make native app, I will use Xcode and Android Studio.
Also, for hybrid app, it is make of Flutter or React Native.
- Native App
IOS skills:In-App Purchase, API integration, Firebase, Core Data for local storage, Push Notification,Alamofire,networking library,Facebook login /sign up.
Android: Android SDK, Java for Android, JQuery Mobile, CoronaSDK, C++
backend development: Firebase, node.js,RESTful API,laravel, codeigniter.
- Hybrid App
Skills: Redux,Recompose,JSX, ES6/7,Apollo Client/GraphQL Server,FireBase, AWS and so on.