250+ iOS apps curated and reviewed
Out of 250+ rep calculator apps on iOS, 19 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 | 4.4★ (118) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.9★ (109) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.9★ (12K) | Yes | Yes | Sep 2026 | |
| 4 |  | Free | 5.0★ (3) | No | Yes | Aug 2026 | |
| 5 |  | Free | 4.5★ (11) | No | No | Sep 2026 | |
| 6 |  | Free | 4.9★ (13K) | No | Yes | Sep 2026 | |
| 7 |  | Free | — | Yes | No | Aug 2026 | |
| 8 |  | Free | 4.5★ (222) | No | Yes | Sep 2026 |
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.
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.
This app simplifies tracking your progress on the 5/3/1 strength training program. It calculates and displays weights, reps, and sets based on your one-rep max, allowing you to easily plan and execute your workouts. Rounding options help match available gym plates.
