250+ iOS apps curated and reviewed
With an average user rating of 4.7★, the free ppfd meter category is one of the App Store's strongest. Browse all 250+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (87) | Yes | Yes | Sep 2026 | |
| 2 |  | Free | 4.6★ (4.9K) | No | Yes | Sep 2026 | |
| 3 |  | Free | 4.5★ (2.6K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.7★ (8.2K) | No | No | Sep 2026 | |
| 5 |  | Free | 4.5★ (116) | No | Yes | Sep 2026 | |
| 6 |  | Free | — | — | No | Jul 2026 | |
| 7 |  | Free | — | No | No | May 2026 | |
| 8 |  | Free | — | Yes | Yes | Aug 2026 |
This app measures light intensity for plants, converting LUX to PPFD and DLI. It offers advanced light mapping, uniformity analysis, and efficiency insights to optimize plant growth. Customize profiles for different environments and growth stages.
This app acts as a professional-grade light meter for plants, measuring PAR, PPFD, DLI, and more using your device's camera. It helps optimize plant lighting by providing accurate readings and in-app guides, with optional advanced features available through purchase.
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.
