J4 Coach
Health & Fitness
Only for iPhone
Free · Designed for iPhone
iPhone
J4 Coach is your personal AI workout coach. Get customized training programs tailored to your goals, track your progress, and chat with your coach anytime.
Features:
- Personalized workout plans generated just for you
- Track sets, reps, and weights during workouts
- Chat with your AI coach for guidance and motivation
- Monitor your progress over time
- Smart programming that adapts to your feedback
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
- Added Sign in with Apple.
- Improved Strava sync: better login flow, better exercise mapping, and auto-complete workouts from connected devices.
- Faster app startup and smoother chat/workout interactions.
- Improved AI coach responses and date accuracy.
- Updated visual theme with a cleaner dark design.
- Removed post-workout RPE prompt for a simpler flow.
The developer, Johan Eliasson, 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
- Johan Eliasson
- Size
- 32.5 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
9+
- 9+
- Contains
Health or Wellness Topics
- Copyright
- © 2026 Johan Eliasson