Fitness Tracking Mobile App Development

I'm looking for a skilled mobile app developer who can help me create an app for my fitness startup. The primary function of the app will be to track users' strength training workouts and progress.

Key Features:
- Comprehensive tracking of strength training workouts
- User-friendly interface for easy navigation
- Option to track workouts over time
- Incorporation of multiple pre-defined strength training programs

Ideal Skills and Experience:
- Proficiency in mobile app development, particularly for iOS and Android
- Experience in developing fitness-related apps is a plus
- Strong understanding of strength training
- Ability to create engaging, user-friendly interfaces
- Knowledge of integrating tracking systems within apps