11+ iOS apps curated and reviewed
MyCircadianApp is the household name in diurna, but it's far from the only option. We track 11+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9★ (262) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.7★ (962) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.6★ (47) | No | No | Jul 2026 |
| 4 |  | Free | 5.0★ (8) | No | Yes | Jun 2026 |
| 5 |  | Free | — | Yes | No | May 2026 |
| 6 |  | Free | — | Yes | Yes | May 2026 |
| 7 |  | Free | — | No | No | Jun 2026 |
| 8 |  | Free | 5.0★ (1) | No | Yes | Jul 2026 |
Optimize your health by tracking sunlight exposure, UV index, and vitamin D synthesis. Log sun sessions, monitor light levels, and receive personalized guidance based on your skin type, weather, and location. Enhance well-being and boost mood by syncing with natural light cycles.
Get precise sunrise, sunset, and twilight times for any location globally. Access detailed solar data including UV index, daylength, and the sun's position. Ideal for photographers, travelers, and astronomers seeking accurate celestial information.
Visualize daylight and night hours globally with three distinct styles. Explore how time zones and daylight saving changes affect your location's light cycles.
This app tracks sunrise and sunset times with a clean interface, offering a 365-day forecast for any location. It includes daylight visualization, twilight phases, and moon information, with offline functionality.
Wake up naturally with simulated sunrises and plan your day around natural light cycles. This app provides alarms and reminders based on sunrise, sunset, and daylight changes for your location.
Track sunrise, sunset, dawn, and dusk times with a visual arc and daylight duration. Plan outdoor activities with a 7-day forecast and manage multiple locations. Features home screen widgets and iCloud syncing.
Visualize an entire year of daylight, sunrise, sunset, and twilight on a single, intuitive chart. Easily inspect daily solar times and phases by tapping or dragging across the visual representation. Offers detailed insights into seasonal changes and astronomical events.
