Par Meter : PPFD Monitor

About this app

PAR Meter for Accurate Plant Lighting PAR Meter helps growers measure PAR and PPFD light intensity using your phone’s light sensor to optimize plant growth, indoor farming, and grow light setups. Designed for growers, hydroponics users, and indoor plant enthusiasts, the app provides fast and easy insights into the light levels plants actually use. What You Can Measure PAR (Photosynthetically Active Radiation) PPFD (µmol/m²/s) Light intensity trends Real-time sensor readings Saved measurements for comparison Why PAR & PPFD Matter Plants do not use brightness measured in lux. They use PAR and PPFD. With PAR Meter you can: Adjust grow light height Optimize LED grow light setups Avoid under-lighting or light stress Improve plant health and yield Ideal For Indoor plant growers Hydroponics systems LED grow light setups Home gardening Grow tents and greenhouses Simple & Practical Clean and intuitive interface Real-time readings No external hardware required Designed for fast decision-making Important Note Measurements depend on your device’s light sensor and are intended for estimation and optimization purposes only, not for laboratory-grade accuracy. Privacy First No account required No personal data collected Transparent privacy policy and term of use Privacy Policy : https://sites.google.com/view/optigrowapp/home Term Of Use : https://sites.google.com/view/optigrowtermofuse/home Subscriptions & In-App Purchases PAR Meter offers optional auto-renewable subscriptions to unlock advanced features and remove ads: Weekly subscription: $2.99 Monthly subscription: $4.99 Yearly subscription: $29.99 Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. You can manage or cancel your subscription at any time through your App Store settings. Upgrade Your Experience Unlock advanced tools and enjoy an ad-free experience with subscription Plans

Minor Bug fixed New Features Added

Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.

1. First observed Aug 25, 2026 · 2:44 PM Free