StrengthBox - Workout Tracker

In-app purchases
Content rating
Everyone
5+
Downloads
Content rating
Everyone
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About this app

StrengthBox — a minimalist training log built for strength training. Follow programs, log sets, hit personal records and see how strong you really are.

No feed, no ads, no clutter. Just a fast, clean interface designed for the gym floor.

Features:
- Built-in programs — PPL, Full Body, Upper/Lower and more
- Quick logging — sets, reps and weight with minimal taps
- Automatic PRs — see instantly when you hit a new record
- Strength Level — compare your strength to others in your age and weight class
- Recovery Map — visual overview of muscle status after training
- Workout history — volume, duration and muscle overview for every session
- Weekly stats — keep track of your training frequency
- Exercise library — hundreds of exercises with instructions and muscle maps
- Apple Health — sync workouts and read HRV, sleep and resting heart rate

StrengthBox Premium:
- Crew — train with friends, see who's live and send props
- AI Coach — personal insights and weekly training analysis
- Unlimited programs
- Full workout history
- PR progression graphs

Terms of Use: https://strengthbox.vercel.app/terms
Privacy Policy: https://strengthbox.vercel.app/privacy
Workout Log and Programs
Updated on
Oct 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • No data collected
    Learn more about how developers declare collection

What’s new

StrengthBox 2.1
• Apple Watch: see your next set, tick it off and change weight and reps from your wrist
• Sessions start instantly
• Import your history from StrengthLog – records and strength level update
• A fairer strength level that accounts for body weight and age
• Edit weight, age and sex under Profile
• 31 new exercises and a tidied exercise library
• Delete your account right in the app