250+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our screen brightness nits meter list covers 250+ iPhone apps updated through September 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (19) | No | Yes | Sep 2026 | |
| 2 |  | Free | 4.5★ (2.6K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 5.0★ (3) | No | No | Sep 2026 | |
| 4 |  | Free | 4.7★ (17K) | No | No | Sep 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | Yes | Yes | Aug 2026 | |
| 7 |  | Free | 2.3★ (7) | Yes | Yes | May 2026 | |
| 8 |  | Free | 5.0★ (3) | No | Yes | Sep 2026 |
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.
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 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.
