250+ iOS apps curated and reviewed
Looking for free light spectrometer wavelength apps? 17 of our 250+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.2★ (92) | No | Yes | Sep 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | Oct 2026 | |
| 3 |  | Free | 4.5★ (2.6K) | No | Yes | Oct 2026 | |
| 4 |  | Free | — | No | No | May 2026 | |
| 5 |  | Free | — | No | No | May 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 3.8★ (4) | No | No | May 2026 | |
| 8 |  | Free | 2.0★ (1) | No | No | Aug 2026 |
This application analyzes light to determine its dominant wavelength in nanometers, frequency in terahertz, and period length in femtoseconds. It provides real-time measurements and allows users to save their findings with notes. The app is designed for measuring colored light sources.
This utility measures light spectrum quality to ensure healthy environments, adhering to WELL standards. It connects via Bluetooth to a mobile device for data collection and analysis.
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.
