E-Learning App Development - Android + iOS

Hi, we are looking for tech partner cum Android/iOS developer for developing  E-Learning App. Reference App - [login to view URL] BEST COMBINATION WITH CLEAR PROS AND CONS  UI & UX (convert PSD etc into App screens with pixel perfect and keeping it optimized and user-friendly)- Axure, PSD Front end:  HTML 5, CSS 3, JavaScript, Bootstrap, JQuery, Angular (Any other) Backend (core of app development start coding and add features of the Application step by step. Navigational built, APIs Integration, Functionalities will be done in this Phase): PHP (Laravel), Node JS Database : RDBMS(Mysql)  & SQLite Application: React Native or flutter  Framework: Python, React Native, .Net or Laravel PHP and for Mobile-React Native or Flutter(Latest Tech) (Any Other) Programming Language: Python, React native (Any Other), SWIFT Android App - React Native for Hybrid (Cross Platform), Java iOS App - Swift IDE: Android Studio, Xcode, iOs (Any Other) APIs: Payment Gateway, Twilio API, other APIs integration Web Panel Development: Node JS or PHP Server: AWS Preferred Testing: Testing is vital. People rarely give an app a second chance. Test vigorously. Not just whether button ’A‘ does what button ‘B’ is supposed to but testing on other people. It's about making sure that everything works as it should and the flow of the APP occurs naturally to random people the first time they play with it.