45+ iOS apps curated and reviewed
The best ppfd apps on iPhone average 4.2★ across 45+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.7★ (87) | Yes | Yes | Jul 2026 |
| 2 |  | Free | 4.6★ (4.9K) | No | Yes | Jul 2026 |
| 3 |  | Free | 4.5★ (2.5K) | No | Yes | Jul 2026 |
| 4 |  | Free | 4.7★ (8K) | No | No | Jul 2026 |
| 5 |  | Free | 4.0★ (1) | No | Yes | Jul 2026 |
| 6 |  | Free | 4.5★ (113) | No | Yes | Jul 2026 |
| 7 |  | Free | — | Yes | No | Jul 2026 |
| 8 |  | Free | — | No | No | May 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.
Automate and simplify plant care with this app. Monitor environmental conditions, manually control grow equipment, and track plant progress. It helps optimize growth and manage schedules for a better growing experience.
Measure light intensity for plant growth using your phone's sensor. Optimize indoor farming, hydroponics, and grow light setups by understanding PAR and PPFD levels. Improve plant health and yield with real-time data and saved measurements.
This app functions as a precise and user-friendly light meter using your phone's built-in sensors. It measures illuminance, color temperature, PPFD/PAR, DLI, and luminous flux in real-time. It also includes a calculator for various illumination parameters and allows sharing or saving of measurements.
This app provides precise, real-time light measurements for photography, filmmaking, and design. It offers color temperature analysis, lux and foot-candle readings, and DLI calculations. Optimize your lighting setup with smart shooting recommendations and full manual control.
Measure light intensity and color temperature for photography, plant care, and workspace optimization. Offers real-time readings, shooting recommendations, and manual control for precise lighting adjustments.
This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.
This app provides precise light measurements in lux and foot candles, along with real-time color temperature readings. It offers shooting value recommendations and allows manual adjustment of camera settings for photographers, plant enthusiasts, and workspace optimization.
This app acts as a portable light meter for photographers. It helps you understand correct photography settings and experiment with shutter speed, aperture, and ISO in real time. Save snapshots with parameters and geolocation, and measure color temperature.
This application connects wirelessly to a handheld spectral PAR meter, allowing remote analysis and configuration of light sources. It displays detailed spectral data, light source information, and absorption metrics, with options to save and share measurements.
This app helps indoor plant owners determine if their plants are receiving adequate light. It uses your device's camera to measure light intensity in Lux and Foot Candle units, offering plant recommendations based on your readings. Track light changes over time and optimize plant placement for healthier growth.
Measure ambient light levels in lux or foot-candles instantly. Useful for photography, plant care, or verifying brightness for various tasks. Offers advanced features like color temperature and measurement history for premium users.
This app calculates conversions between various light units, including shortwave radiation, photosynthetic photon flux, lux, and foot-candles. It supports different light sources like fluorescent, metal halide, high pressure sodium, and sunlight.
