250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our circadian clock list covers 250+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 2.3★ (251) | No | No | Oct 2026 | |
| 2 |  | Free | 4.6★ (668) | No | Yes | Oct 2026 | |
| 3 |  | Free | — | Yes | Yes | May 2026 | |
| 4 |  | Free | 5.0★ (2) | No | No | Oct 2026 | |
| 5 |  | Free | 4.6★ (11) | No | Yes | Oct 2026 | |
| 6 |  | Free | 5.0★ (4) | No | Yes | Oct 2026 | |
| 7 |  | Free | — | No | Yes | Oct 2026 | |
| 8 |  | Free | — | Yes | Yes | Jul 2026 |
This app aids research studies by tracking diet, exercise, and sleep patterns to understand their impact on health. It allows users to log food intake, sleep times, physical activity, and health metrics, with medication reminders and HealthKit integration.
Optimize your daily activities by syncing with natural rhythms. This app helps you wake, eat, move, work, and rest at optimal times for improved energy, clarity, and sleep. It leverages sunlight, seasons, and scientific principles to guide your lifestyle for better health.
