Best Grow Light Apps

250+ iOS apps curated and reviewed

3.9 avg rating
19 free apps
Updated November 2026

Every iPhone needs a few good grow light apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Grow Light Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Photone - Grow Light MeterPhotone - Grow Light MeterFree4.6★ (5K)NoYesNov 2026
2PPFD METER - Grow Light MeterPPFD METER - Grow Light MeterFree4.6★ (132)YesYesNov 2026
3LumenLeaf: Plant Light MeterLumenLeaf: Plant Light MeterFree1.0★ (3)NoNoNov 2026
4Grow LampGrow LampFree2.3★ (8)NoNoMay 2026
5VIVOSUNVIVOSUNFree4.7★ (8.7K)NoNoNov 2026
6Modern SproutModern SproutFree4.3★ (118)NoNoOct 2026
7Grow Light Smart ControllerGrow Light Smart ControllerFree—NoNoMay 2026
8Sgrow Light TherapySgrow Light TherapyFree—NoNoMay 2026

Top Picks for Grow Light

Photone - Grow Light Meter#1

Photone - Grow Light Meter by Lightray Innovation GmbH

Measure plant light: PAR, PPFD
Editor's Choice
🔧 Utilities
4.6😐(5K 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

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
PPFD METER - Grow Light Meter#2

PPFD METER - Grow Light Meter by Candas Pamukcu

LUX, PAR, PPFD, DLI & PAR Maps
Strong Contender
🔧 Utilities
4.6(132 ratings)
FreeAdsIn-App Purchases
PPFD METER - Grow Light Meter screenshot 1
PPFD METER - Grow Light Meter screenshot 2
PPFD METER - Grow Light Meter screenshot 3
PPFD METER - Grow Light Meter screenshot 4
PPFD METER - Grow Light Meter screenshot 5
PPFD METER - Grow Light Meter screenshot 6

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.

LumenLeaf: Plant Light Meter#3

LumenLeaf: Plant Light Meter by lapnito.cz s.r.o.

PPFD, Lux & PAR for Grow Tents
Worth Considering
🔧 Utilities
1.0(3 ratings)
Free
LumenLeaf: Plant Light Meter screenshot 1
LumenLeaf: Plant Light Meter screenshot 2
LumenLeaf: Plant Light Meter screenshot 3
LumenLeaf: Plant Light Meter screenshot 4
LumenLeaf: Plant Light Meter screenshot 5
LumenLeaf: Plant Light Meter screenshot 6

This app transforms your phone into a professional grow light meter. It measures PAR, DLI, illuminance, and color temperature to help you optimize plant growth. It's completely free, works offline, and requires no account or ads.

More Grow Light apps to explore

FAQ about Grow Light

What are the best grow light apps for iPhone?
Photone - Grow Light Meter tops our grow light apps ranking as of November 2026, with a 4.6-star average from 5K App Store ratings, and it's free to download.
Yes — 19 of the top grow light apps we rank are free to download, including Photone - Grow Light Meter and PPFD METER - Grow Light Meter.
Photone - Grow Light Meter has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 250+ grow light apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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