Test Series App Development

I'm looking for a skilled app developer to create a test series app with the following features:
- A tracking system for students' performance
- Integrated payment gateway
- One device, one login restriction.

The app will primarily cater to students, with the capability of administering multiple choice tests. A crucial aspect of the app will be its performance tracking capability, providing detailed performance reports to the students.

Ideal skills for this project include:
- Proficiency in app development
- Experience with integrating payment gateways
- Knowledge of creating performance tracking systems
- Understanding of 'one device, one login' restrictions.

Please ensure your bid reflects your skills and experience relevant to this project.