This AI-powered fitness app creates personalized strength training programs that adapt to your progress. Track your workouts, monitor your strength gains with a unique scoring system, and gain insights into your muscle recovery and nutrition.
1.4
August 31, 2026
Bug Fixes
Unlock AI Coach, photo meal logging, progress tracking.
The Byrna Score is a metric that tracks your training progress, ranging from 300 to 850, indicating how much stronger you are becoming through consistent training.
The free version of Byrna includes full workout logging for every set, rep, and weight, your Byrna Score, the ability to build and edit your own programs, and supplement tracking.
Byrna Premium provides an AI Coach that adapts your program, detailed progress analytics, a muscle heatmap to visualize worked and recovering muscles, and food logging with macro target tracking.
Byrna Premium is available for $9.99 per month or $79.99 per year. A 1-week free trial is offered for new subscribers.
You can manage or cancel your subscription at any time within your App Store account settings. The subscription auto-renews unless canceled at least 24 hours before the current period ends.
Byrna is available for iPhone and iPad devices.
The latest version of Byrna was released on July 24, 2026, indicating recent development activity. The app was initially released on July 23, 2026.
Byrna has an age rating of 17+, suggesting it is intended for adult users due to its focus on detailed fitness tracking and potentially complex training concepts.
