1RM Calculator & Strength Log is the household name in 1rm calculator & strength log, but it's far from the only option. We track 249+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
Compare top 1Rm Calculator & Strength Log Apps (August 2026)
Easily calculate your one-rep max (1RM) strength with this app. It supports RPE input and allows you to estimate rep maxes based on your 1RM. Track your progress by saving your 1RM history for different exercises.
Safely estimate your maximum lift potential for various strength exercises using scientific formulas. Track your progress visually, set goals, and fine-tune estimates with perceived exertion. Ideal for powerlifters, CrossFit athletes, and strength enthusiasts.
What We Love
👍 Easy to use interface
📊 Tracks progress with charts
➕ Plate calculator bonus feature
📈 Supports multiple 1RM formulas
💪 Helpful for tracking RMs
✅ Calculates 1RM accurately
🆓 Free to use (historically)
✨ Simple and quick
🚀 Fast and easy
💯 Best 1RM app
💡 Addition of 2-10RM
⚖️ Weightlifting calculator
📈 Graphs for improvements
💯 Accurate calculations
✅ Works as intended
💯 Best 1RM app on iOS
💯 Straight forward
👍 Great for tracking maxes
💯 Very useful as is
💯 Best way to track 1RM
💯 User friendly and accurate
💯 Simple and handy
Room to Improve
💰 Subscription required for features
💸 Features moved behind paywall
😩 Useless without subscription
🚫 Basic features now paid
💸 High subscription cost
😠 Forced ads for basic features
📉 Graphing feature now Pro only
🤔 Unclear what was purchased
💸 Not worth the cost
📉 Deleted lifting history
📉 Lost all logs with update
🚫 Weight limit restriction
📉 Poor interface
🐛 Buggy with dates and lifts
👎 Horribly user-unfriendly
🐛 Reloads excessively
🐛 Wonky and now dead
🐛 Complicated and too much offered
🐛 Not intuitive for tracking
🐛 Buggy about dates and lifts
🐛 Weight limit restriction
🐛 Max weight limit too low
🐛 Not useful for intended audience
🐛 Cannot select other lifts
🐛 Only logs back squats
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