Easily calculate Vapor Pressure Deficit (VPD) for your grow room. Input temperature and humidity, and get a color-coded result indicating the climate's suitability for plant growth stages. Supports both Fahrenheit and Celsius.
5.0(6 ratings)
Free
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Photone - Grow Light Meter by Lightray Innovation GmbH
Perfectly light your plants!Strong Contender
🔧 Utilities
4.6😐(4.9K ratings)
FreeIn-App Purchases
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.
What We Love
- 🚀 Accurate readings
- 💡 Helpful for growing plants
- 👍 Easy to use
- 🚀 Saves money compared to expensive meters
- 👍 Useful for adjusting lighting
Room to Improve
- 🐛 Inconsistent readings
- 💰 Expensive in-app purchases
- 🔒 Requires additional equipment (diffuser) to work properly
- 🐛 Readings not accurate without calibration
- 🔒 Limited functionality in free version
4.4(18 ratings)
FreeAdsIn-App Purchases
This app offers a comprehensive suite of 15 calculators for everyday and scientific needs. Easily perform basic arithmetic, complex scientific functions, and specialized calculations like sales tax, age, and loan payments. It also includes a robust unit converter for various measurements.
