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.
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.
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.
