248+ iOS apps curated and reviewed
Out of 248+ circadian rhythm light meter apps on iOS, 18 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 | 3.0★ (1) | — | No | Jul 2026 |
| 2 |  | Free | 4.9★ (264) | No | Yes | Aug 2026 |
| 3 |  | Free | 4.6★ (659) | No | Yes | Jul 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | Jul 2026 |
| 5 |  | Free | 4.4★ (7) | No | Yes | Jul 2026 |
| 6 |  | Free | — | No | No | Jun 2026 |
| 7 |  | Free | 4.5★ (228) | Yes | Yes | Aug 2026 |
| 8 |  | Free | — | No | Yes | Jul 2026 |
Measure the melanopic content of your light environment to support your body's natural sleep-wake cycle. Get actionable recommendations to improve sleep quality and daytime alertness by understanding how different light sources affect your circadian rhythm.
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.
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.
Optimize your light exposure and sleep schedule for better circadian health. This tool provides personalized intervals to help you maintain a regular sleep-wake cycle and manage light exposure, crucial for overall well-being.
Align your daily routines with your body's natural biological clock. Gain personalized insights to improve sleep, boost energy, and enhance focus by understanding your circadian rhythm. Optimize your day with alerts for hormone peaks and sunlight guidance.
This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.
Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.
This tool transforms your iPhone into a precise light meter, offering multiple modes for various environments and photography needs. It records measurement history, allows for notes and comparisons, and supports CSV export for detailed analysis.
Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.
Measure light intensity accurately with your smartphone. This tool provides real-time readings in lux and foot candles, calibrated with professional equipment. Ideal for indoor and outdoor use, it offers average and maximum value tracking.
This app helps you improve sleep and energy by tracking your light exposure and adjusting your circadian rhythm. It provides personalized goals and insights based on scientific research to optimize your natural sleep patterns.
This app visualizes your light exposure throughout the day, offering personalized schedules to improve sleep and energy. Control smart lighting scenes and individual rooms for whole-home wellness lighting.
Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.
Measure ambient light levels accurately using your smartphone. This app provides precise readings in lux and foot candles, offering a convenient and cost-effective alternative to professional illuminometers for personal use.
This app provides precise, real-time light measurements for photography, filmmaking, and design. It offers color temperature analysis, lux and foot-candle readings, and DLI calculations. Optimize your lighting setup with smart shooting recommendations and full manual control.
Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.