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Best Grow Light Meter App

229+ iOS apps curated and reviewed

4.4 avg rating
15 free apps
Updated June 2026

Out of 229+ grow light meter app apps on iOS, 15 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Top Picks for Grow Light Meter App

Photone - Grow Light Meter#1

Photone - Grow Light Meter by Lightray Innovation GmbH

Perfectly light your plants!
Editor's Choice
🔧 Utilities
4.6😐(4.9K ratings)
FreeIn-App Purchases
Photone - Grow Light Meter screenshot 1
Photone - Grow Light Meter screenshot 2
Photone - Grow Light Meter screenshot 3
Photone - Grow Light Meter screenshot 4
Photone - Grow Light Meter screenshot 5
Photone - Grow Light Meter screenshot 6

An app designed to help optimize plant lighting by measuring PAR, lux, and kelvin, aiding in maximizing yield while minimizing energy consumption. Additionally, it offers helpful articles, a plant lighting calculator, and a Pro subscription for advanced features and resources to support plant growth. Visit the website to learn more.

What We Love

  • 🚀 Accurate readings
  • 💡 Helpful for growing plants
  • 👍 Easy to use
  • 🚀 Saves money compared to expensive meters

Room to Improve

  • 🐛 Inconsistent readings
  • 💰 Expensive in-app purchases
  • 🔒 Requires additional equipment (diffuser) to work properly
PPFD METER - Grow Light Meter#2

PPFD METER - Grow Light Meter by Candas Pamukcu

LUX, PAR, PPFD, DLI & PAR Maps
Strong Contender
🔧 Utilities
4.7(87 ratings)
FreeAdsIn-App Purchases
PPFD METER - Grow Light Meter screenshot 1

This application helps gardeners optimize plant growth by providing precise light measurements and in-depth analysis, converting LUX readings into PPFD and DLI, and offering customizable profiles and advanced light mapping. Download it today to take your plant care to the next level with precision and expertise.

VIVOSUN#3

VIVOSUN by VIVOSUN INC

All for grow
Worth Considering
🔧 Utilities
4.7😊(7.8K ratings)
Free
VIVOSUN screenshot 1
VIVOSUN screenshot 2
VIVOSUN screenshot 3
VIVOSUN screenshot 4
VIVOSUN screenshot 5
VIVOSUN screenshot 6

Automate and simplify the science of growing with the Smart Grow System - monitor and control all aspects of your grow setup, track plant growth with diaries, and shop securely with free shipping on orders over $59. Start optimizing your growth today!

What We Love

  • 🚀 Seamless connectivity
  • 👍 Intuitive app interface
  • 🔍 Comprehensive environment monitoring
  • 💡 Helpful journal/logging feature

Room to Improve

  • 🐛 Connectivity issues and disconnects
  • 🔧 Confusing configuration and automation settings
  • 🕰️ Inconsistent sync between app and hardware

More Grow Light Meter App apps to explore

4
Light Meter LM-3000
Light Meter LM-3000
Light Meter LM-3000
Simple & accurate measurement!
Free

Measure light intensity accurately with the Light Meter LM-3000 app, offering a user-friendly interface for quick and precise readings. Enhance your lighting setups with this essential tool.

🔧 Utilities
(2.4K)
5
Lux Light Meter Pro
Lux Light Meter Pro
Lux Light Meter Pro
Measure Luminosity in Lux & FC
Free

Measure luminosity in lux using Lux Light Meter Pro, a user-friendly application that provides accurate light intensity readings for various settings. Get precise measurements and optimize lighting conditions with ease.

🔧 Utilities
(5K)
6
Lux Light Meter for Mobile
Lux Light Meter for Mobile
Lux Light Meter for Mobile
Lux-Meter & Exposure Measure
Free

Lux Light Meter for Mobile is a practical tool that measures ambient light levels accurately on your mobile device, helping you adjust lighting conditions for comfort and productivity. Download now to optimize your environment with ease.

🔧 Utilities
(190)
7
Planta: AI Plant & Garden Care
Planta: AI Plant & Garden Care
Planta: AI Plant & Garden Care
Happy Life, Happy Plants!
Free

Planta: Complete Plant Care helps you keep track of your plant watering schedule, providing reminders and care tips for each plant. Download now to ensure your plants thrive with proper care.

🌟 Lifestyle
(339)
8
Plant Light Meter
Plant Light Meter
Plant Light Meter
For houseplants
$2.99

Measure your houseplants' ideal light levels with this application. Simply point your camera at the plant's leaves and press "Measure" to ensure your plants thrive in optimal light conditions.

🔧 Utilities
(1K)
9
Pocket Light Meter
Pocket Light Meter
Pocket Light Meter
by Vladislav Vyshemirsky
$9.99

Carry a convenient light meter in your pocket for precise measurements essential for film photography with manual cameras. Easily determine reflected light readings and perform reciprocity calculations with this essential tool.

📷 Photo & Video
(1K)
10
Lux Light Meter Pro for Photo
Lux Light Meter Pro for Photo
Lux Light Meter Pro for Photo
LightMeter & Exposure Value EV
Free

"Lux Light Meter Pro for Photo" is a handy tool that accurately measures light levels for photographers. With its user-friendly interface and precise readings, this app helps photographers achieve optimal lighting conditions for their photos. Download now for professional-grade light measurement in your pocket.

🔧 Utilities
(434)
11
Luminosys - Light Meter
Luminosys - Light Meter
Luminosys - Light Meter
A simple, powerful light meter
Free

Measure light levels with ease using this app by utilizing your phone's camera and a piece of paper. Perfect for photography, comparing light sources, or indoor gardening.

🔧 Utilities
(7)
12
Grow Calc: Plant Light Meter
Grow Calc: Plant Light Meter
Grow Calc: Plant Light Meter
Gardening, Plants & Farming
Free
🔧 Utilities
(0)
13
Lux Light Meter & Photometer
Lux Light Meter & Photometer
Lux Light Meter & Photometer
Lightmeter for Photo & Plant
Free

The application is a versatile light meter that caters to the needs of photographers, plant enthusiasts, and anyone seeking to optimize workspace illumination. With features like real-time color temperature readings, Lux and Foot Candle measurements, average and maximum light value tracking, and shooting recommendations for photographers, this app provides a comprehensive solution for measuring and managing light in various environments. [Call to action: Download the app now to take control of your lighting and capture the perfect shots or ensure ideal conditions for your plants.]

🔧 Utilities
(189)
14
Photo Light & Exposure Meter
Photo Light & Exposure Meter
Photo Light & Exposure Meter
Measure Shutter Speed, Lux, EV
Free

Capture and enhance your photos with advanced editing tools including filters, effects, and more. Transform your images into stunning works of art with just a few taps. Download now to elevate your photography game!

🔧 Utilities
(3.2K)
15
Light Meter: Lux-525 Pro
Light Meter: Lux-525 Pro
Light Meter: Lux-525 Pro
Measure light intensity & cct
Free

Measure light intensity with precision using the Lux-525 Pro Light Meter app. Get accurate readings of light levels in any setting, helping you adjust lighting conditions for optimal productivity and comfort. Download now to experience enhanced control over your environment.

🔧 Utilities
(113)
16
Light Meter - lux and foot candle measurement tool
Light Meter - lux and foot candle measurement tool
Light Meter - lux and foot candle measurement tool
by Marina Polyanskaya
$1.99

Measure light intensity with precision using our convenient and user-friendly light meter app. Enjoy real-time measurements, average and max values, indoor/outdoor modes, and more. Download now for accurate lux and foot candle measurements on the go!

🔧 Utilities
(118)
17
Light Meter - measure luminosity in lux, fc, lumen
Light Meter - measure luminosity in lux, fc, lumen
Light Meter - measure luminosity in lux, fc, lumen
by Vlad Polyanskiy
$1.99

Measure luminosity in lux and foot candles with this exclusive, high-precision light meter app. Enjoy fast, accurate measurements in a beautifully designed interface. Contact us for questions or suggestions at support@lightmeterpro.com.

🔧 Utilities
(78)
18
Lumu Light Meter
Lumu Light Meter
Lumu Light Meter
Pro color and flash meter
Free

Enhance your photography with a professional color and flash metering tool that offers spot metering, flash exposure, color temperature readings, and more. Visit http://lu.mu/ to discover how Lumu Light Meter can elevate your image-making experience.

📷 Photo & Video
(99)
19
Light Meter · Lux Meter
Light Meter · Lux Meter
Light Meter · Lux Meter
Exposure Meter · Foot Candle
Free
🔧 Utilities
(2)
20
Pocket Lux Meter
Pocket Lux Meter
Pocket Lux Meter
Measure Luminosity in Lm & Fc
$1.49
$1.99 | 25% OFF

Measure luminosity in lumens using your smartphone camera. Easily track and analyze light intensity for various purposes. Get the app now to accurately measure luminosity on-the-go.

🔧 Utilities
(56)

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