250+ iOS apps curated and reviewed
With an average user rating of 4.3★, 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 | 4.6★ (130) | Yes | Yes | Nov 2026 | |
| 2 |  | Free | 4.6★ (5K) | No | Yes | Nov 2026 | |
| 3 |  | Free | 4.3★ (12) | No | No | Nov 2026 | |
| 4 |  | Free | 4.5★ (2.6K) | No | Yes | Nov 2026 | |
| 5 |  | Free | 4.5★ (116) | No | Yes | Oct 2026 | |
| 6 |  | Free | 4.7★ (8.7K) | No | No | Nov 2026 | |
| 7 |  | Free | 2.0★ (1) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | Oct 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.
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.
