249+ iOS apps curated and reviewed
Luminosys is the household name in luminosys, but it's far from the only option. We track 249+ 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★ (10) | Yes | No | Oct 2026 | |
| 2 |  | Free | — | No | No | May 2026 | |
| 3 |  | Free | — | No | No | May 2026 | |
| 4 |  | Free | 2.0★ (3) | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.0★ (1) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | May 2026 |
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.
