244+ iOS apps curated and reviewed
Biorhythm Alertness is the household name in biorhythm alertness, but it's far from the only option. We track 244+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.0★ (4) | No | Yes | Nov 2026 | |
| 2 |  | Free | 4.2★ (65) | Yes | Yes | Nov 2026 | |
| 3 |  | Free | — | Yes | No | May 2026 | |
| 4 |  | Free | — | Yes | No | Sep 2026 | |
| 5 |  | Free | 4.8★ (20) | Yes | Yes | Nov 2026 | |
| 6 |  | Free | 4.4★ (84) | Yes | Yes | Oct 2026 | |
| 7 |  | $0.99 | 5.0★ (1) | No | No | Oct 2026 | |
| 8 |  | Free | 5.0★ (1) | No | No | May 2026 |
This app tracks your physical, emotional, intellectual, and intuitive biological cycles. It provides visual graphs of these rhythms and notifies you of critical days when your vulnerability is highest. Easily manage multiple user profiles for family and friends.
This app provides a straightforward view of original biorhythm curves for multiple individuals. It focuses solely on displaying these curves without any extraneous information, offering a clean and easy-to-understand experience.
