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.





249+ iOS apps curated and reviewed
With an average user rating of 4.1★, the max rep calculator category is one of the App Store's strongest. Browse all 249+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (109) | No | Yes | Sep 2026 | ||
| 2 | Free | 4.4★ (111) | No | Yes | Jul 2026 | ||
| 3 | Free | 5.0★ (3) | No | Yes | Aug 2026 | ||
| 4 | Free | 4.5★ (222) | No | Yes | Sep 2026 | ||
| 5 | Free | 4.5★ (11) | No | No | Sep 2026 | ||
| 6 | Free | — | Yes | No | Aug 2026 | ||
| 7 | Free | 4.7★ (61K) | No | No | Sep 2026 | ||
| 8 | Free | 5.0★ (18) | No | No | May 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.





Estimate your one rep max weight for various lifts using popular formulas. Track your progress over time with a built-in logbook. Offers custom lift creation and extended repetition calculations with a premium upgrade.




Calculate your maximum weight for a specific number of repetitions. Ideal for powerlifting, bodybuilding, and fitness enthusiasts, it supports calculations for 1 to 40 repetitions based on the weight lifted.