250+ iOS apps curated and reviewed
Out of 250+ rep calculator apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (130) | No | Yes | Nov 2026 | |
| 2 |  | Free | 4.4★ (119) | No | Yes | Nov 2026 | |
| 3 |  | Free | — | Yes | No | Oct 2026 | |
| 4 |  | Free | 5.0★ (3) | No | Yes | Oct 2026 | |
| 5 |  | Free | 5.0★ (1) | Yes | Yes | May 2026 | |
| 6 |  | Free | 3.0★ (1) | No | No | Nov 2026 | |
| 7 |  | Free | — | No | Yes | Jun 2026 | |
| 8 |  | Free | — | Yes | Yes | Jul 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 single repetition of any exercise. This tool helps estimate your strength for key lifts, aiding in training program design and progress tracking. Prioritize safety and effective programming by understanding your one-rep max.
