Educational iOS & Android App

I need an end-to-end build of a mobile educational app that runs natively on both iOS and Android. The goal is to deliver engaging learning content in a clean, intuitive interface while tracking user progress and performance... (Budget: ₹1500 - ₹12500 INR, Jobs: Android, Android App Development, HTML5, iOS Development, iPhone, Mobile App Development, Swift, UX / User Experience)