248+ iOS apps curated and reviewed
With an average user rating of 3.5★, the brightness measure category is one of the App Store's strongest. Browse all 248+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.5★ (2.5K) | No | Yes | Sep 2026 |
| 2 |  | Free | 4.3★ (18) | No | Yes | Aug 2026 |
| 3 |  | Free | 3.9★ (5.1K) | Yes | Yes | Aug 2026 |
| 4 |  | Free | 5.0★ (1) | No | No | Aug 2026 |
| 5 |  | Free | — | No | No | May 2026 |
| 6 |  | $2.99 | — | No | No | Aug 2026 |
| 7 |  | Free | 2.5★ (31) | No | No | Aug 2026 |
| 8 |  | Free | — | No | Yes | May 2026 |
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.
Measure the brightness of any screen, monitor, or display using your smartphone camera. Offers real-time measurements in multiple units and supports calibration for optimal accuracy. Ideal for professionals and enthusiasts needing precise luminance data.
Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.
This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.
This app transforms your phone into a virtual tape measure using AR technology. Accurately measure distances, heights, and widths of objects and surfaces in both 2D and 3D space. Ideal for construction, home renovation, and various projects requiring precise measurements.
Measure ambient light levels using your smartphone's camera. Get quick and precise lux readings for personal use, saving you the cost of professional equipment. Simply open the app and point your camera to see real-time measurements.
Control your device's screen brightness by simply tilting it, without touching the screen. Offers complete customization of brightness levels for extended battery life and eye comfort. Supports both iPhone and iPad.
Measure furniture dimensions and room spaces using your iPhone's camera. Visualize how new items will fit in your space before buying. Ideal for moving, remodeling, or shopping for furniture.
This app analyzes photographs to display the color of any point in XYZ and L*a*b* color spaces. It also allows for measuring the distance between two colors within the L*a*b* color space. Calibration options are available for matching camera characteristics and photography environments.
This app transforms your phone into an ambient light meter, providing instant lux readings with clear, easy-to-understand interpretations for plants, desks, and rooms. It allows for side-by-side comparisons of different light spots and saves results for later review.
