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.





134+ iOS apps curated and reviewed
If you already know 1RM Calculator, this is the deeper bench. 134+ the one rep max apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 | Free | 4.9★ (116) | No | Yes | Oct 2026 | ||
| 2 | Free | 5.0★ (1) | No | No | May 2026 | ||
| 3 | Free | 5.0★ (1) | No | Yes | Aug 2026 | ||
| 4 | Free | 3.0★ (2) | Yes | No | Aug 2026 | ||
| 5 | Free | 4.4★ (119) | No | Yes | Oct 2026 | ||
| 6 | Free | 4.5★ (11) | No | No | Sep 2026 | ||
| 7 | Free | 4.5★ (222) | No | Yes | Sep 2026 | ||
| 8 | Free | — | Yes | Yes | Oct 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 maximum weightlifting capacity with this tool. Track your progress and safely push your limits. Ideal for strength training enthusiasts.




Easily calculate your One Rep Max (1RM) for various strength exercises. Track your progress over time with saved calculations, view personalized percentages, and visualize your strength gains through charts. Supports multiple exercise types and custom units.