GRSTrainer
Sports
Free · Designed for iPad. Not verified for macOS.
GRS Trainer is a basketball training app for young athletes who want to improve their game.
Train with structured drill programs covering shooting, dribbling, passing, agility, and basketball moves.
Features:
- Guided drill sessions with timers
- Custom workout builder
- Progress tracking and streaks
- Featured workouts from coaches
- Apple Watch companion app
Designed for young athletes with parental account management.
Ratings & Reviews
- Weekly training plan — schedule sessions for each day
- Countdown timer for timed drills with haptic alerts
- Tap watch screen to complete drills hands-free
- Double tap gesture support (Series 9+ and Ultra)
- Team leaderboards and weekly challenges
- Compete on specific drills with teammates
- Invite codes required for new parent signups
- Family code for secure Apple Watch setup
- Pause, resume, and undo during Watch workouts
- Custom sessions available on Apple Watch
The developer, Michael Stienstra, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Michael Stienstra
- Size
- 1.9 MB
- Category
- Sports
- Compatibility
Requires iOS 26.4 or later.
- iPhone
Requires iOS 26.4 or later. - iPad
Requires iPadOS 26.4 or later. - Mac
Requires macOS 26.4 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.4 or later. - Apple Watch
Requires watchOS 10.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Michael Stienstra