250+ iOS apps curated and reviewed
Screen Brightness Nits Meter is the household name in nits meter, but it's far from the only option. We track 250+ alternatives and competitors on iOS — many free, many higher-rated than you'd expect.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.3★ (20) | No | Yes | Oct 2026 | |
| 2 |  | Free | 4.5★ (2.6K) | No | Yes | Nov 2026 | |
| 3 |  | Free | 2.1★ (37) | Yes | Yes | Oct 2026 | |
| 4 |  | Free | 4.5★ (14K) | Yes | Yes | Nov 2026 | |
| 5 |  | Free | 3.9★ (5.2K) | Yes | Yes | Nov 2026 | |
| 6 |  | $2.99 | 4.6★ (645) | No | No | Nov 2026 | |
| 7 |  | $1.49 | 4.1★ (57) | No | No | Oct 2026 | |
| 8 |  | Free | 3.4★ (15) | No | No | Oct 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.
Measure rotational speed using your phone's camera or a simulated strobe light. Simply mark the rotating object and adjust the settings until it appears stationary to get an accurate RPM reading. The app also functions as a torchlight.
