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Best Growing Plants Light Apps

246+ iOS apps curated and reviewed

3.6 avg rating
19 free apps
Updated October 2026

Out of 246+ growing plants light apps on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Growing Plants Light Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Photone - Grow Light MeterPhotone - Grow Light MeterFree4.6โ˜… (5K)NoYesOct 2026
2Solspot: Plant Light MeterSolspot: Plant Light MeterFreeโ€”NoYesOct 2026
3Plant Light MeterPlant Light Meter$2.994.6โ˜… (1.1K)NoNoNov 2026
4PAR Meter: Grow Light PPFD DLIPAR Meter: Grow Light PPFD DLIFreeโ€”NoYesOct 2026
5PPFD METER - Grow Light MeterPPFD METER - Grow Light MeterFree4.6โ˜… (129)YesYesOct 2026
6Grow Calc: Plant Light MeterGrow Calc: Plant Light MeterFreeโ€”NoNoOct 2026
7GrowSpot: Plant Care & LightGrowSpot: Plant Care & LightFree4.0โ˜… (2)NoYesOct 2026
8Plant Light Meter: Lux & PPFDPlant Light Meter: Lux & PPFDFree2.2โ˜… (13)NoYesOct 2026

Top Picks for Growing Plants Light

Photone - Grow Light Meter#1

Photone - Grow Light Meter by Lightray Innovation GmbH

Measure plant light: PAR, PPFD
Editor's Choice
๐Ÿ”ง Utilities
4.6๐Ÿ˜(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

  • ๐Ÿš€ Accurate readings
  • ๐Ÿ’ก Helpful for growing plants
  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Saves money compared to expensive meters
  • ๐Ÿ‘ Useful for adjusting lighting

Room to Improve

  • ๐Ÿ› Inconsistent readings
  • ๐Ÿ’ฐ Expensive in-app purchases
  • ๐Ÿ”’ Requires additional equipment (diffuser) to work properly
  • ๐Ÿ› Readings not accurate without calibration
  • ๐Ÿ”’ Limited functionality in free version
Plant Light Meter#3

Plant Light Meter by Studio Nano Ship, Inc.

For houseplants
Worth Considering
๐Ÿ”ง Utilities
4.6๐Ÿ˜ž(1.1K ratings)
$2.99
Plant Light Meter screenshot 1
Plant Light Meter screenshot 2
Plant Light Meter screenshot 3
Plant Light Meter screenshot 4
Plant Light Meter screenshot 5
Plant Light Meter screenshot 6

This app helps indoor plant owners assess the light conditions their plants are receiving. By using your phone's camera, you can measure light levels and understand if they are optimal for your specific plant's needs, preventing common issues like lack of light.

What We Love

  • ๐Ÿ‘ Easy to use
  • ๐Ÿš€ Accurate and helpful
  • ๐Ÿ’ก Useful for newbie plant owners
  • ๐Ÿ’ก Saves time and guesswork
  • ๐Ÿš€ Quick and easy measurements

Room to Improve

  • ๐Ÿ› Limited plant database
  • ๐Ÿ› Inaccurate readings
  • ๐Ÿ› Measures leaf color, not light
  • ๐Ÿ› Broken after recent update
  • ๐Ÿ› Doesn't work on newer devices

More Growing Plants Light apps to explore

FAQ about Growing Plants Light

What are the best growing plants light apps for iPhone?
Photone - Grow Light Meter tops our growing plants light apps ranking as of October 2026, with a 4.6-star average from 5K App Store ratings, and it's free to download.
Yes โ€” 19 of the top growing plants light apps we rank are free to download, including Photone - Grow Light Meter and Solspot: Plant Light Meter.
Photone - Grow Light Meter has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 246+ growing plants light apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.