36+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our ppfd free list covers 36+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.
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.
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.
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.
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.
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.
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 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.
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.
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.
Easily convert various file types, including images and documents, into PDF format with a few taps. This tool supports a wide range of formats and allows for quick, seamless document transformation directly from your device.
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.
Easily convert and view presentation files like PPTX, PPT, and PPTM into universally compatible PDF format. Streamline document management and sharing with a user-friendly interface for seamless access and organization.
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.
Easily convert PDF documents into editable PowerPoint presentations directly on your mobile device. Select files from your device or cloud storage, initiate the conversion, and then open, edit, or share your new PPTX files.
Easily convert PowerPoint files to various formats like PDF, Word, and TXT. Enjoy unlimited, fast conversions without sign-ups or fees. Preserve document quality with custom output options.
Convert images and scanned documents into PDF files. Organize, save, share, or print your PDFs instantly. This app offers offline functionality without watermarks, simplifying document management.
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.
