CDL School Learning Resource Mobile App

I'm looking for a mobile app for my CDL school. The primary purpose of the app is to serve as a platform for learning resources.

Key Features:
- Interactive quizzes: The app should include a variety of interactive quizzes to test and reinforce students' knowledge.
- Text-based guides: There should be a comprehensive collection of text-based guides covering all aspects of the CDL training.

Enrollment Functionality:
- The app should also incorporate a payment processing system for student enrollment.

Ideal Skills:
- Mobile app development
- Experience in creating educational apps
- Understanding of interactive quizzes integration
- Knowledge of payment processing systems in apps.