JEE/NEET Learning & Assessment App

I need an app (both IOS and Android) where you can upload notes and other study materials for JEE and NEET classes we just started. Need to be completed in 6 months. Here are the key details and features I want in my app.

Key Features:
User Login & Dashboard – Students can sign up, log in, and access their dashboard with personalized content.
Notes Upload & Management – Upload PDFs, PPTs, and Word docs for easy access.
Video Lectures – Embed YouTube links or upload recorded lectures directly.
Live Classes Integration – Connect Zoom or Google Meet for live sessions.
MCQ & Quiz Section – Allow students to take practice tests with auto-grading.
Assignments & Homework – Upload assignments and track submissions.
Doubt Solving Chat – A built-in chat feature where students can ask doubts.
Notifications & Updates – Push notifications for new content and upcoming exams.
Performance Tracking – Progress reports, test scores, and analytics

I am looking for someone who is great at aesthetic and functionality and can do it in our tight budget.