Best Light Meter App

250+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated October 2026

If you already know Light Meter LM, this is the deeper bench. 250+ light meter app for iPhone, all reviewed and ranked by user rating, recency, and download trend as of October 2026.

Compare top Light Meter App (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Light Meter LM-3000Light Meter LM-3000Free4.5★ (2.6K)NoYesNov 2026
2Photo Light & Exposure MeterPhoto Light & Exposure MeterFree4.5★ (3.3K)NoYesNov 2026
3LghtmtrLghtmtrFree4.6★ (159)NoYesNov 2026
4LuxMeasure: Light MeterLuxMeasure: Light MeterFree5.0★ (2)NoNoOct 2026
5Lightme - LightmeterLightme - LightmeterFree4.8★ (950)NoYesNov 2026
6Light Meter - LUXLight Meter - LUXFree—NoNoOct 2026
7Candela: Light MeterCandela: Light MeterFree2.0★ (1)NoNoOct 2026
8Lux Light Meter ProLux Light Meter ProFree3.9★ (5.2K)YesYesNov 2026

Top Picks for Light Meter App

Light Meter LM-3000#1

Light Meter LM-3000 by Lightray Innovation GmbH

Simple & accurate measurement!
Editor's Choice
🔧 Utilities
4.5😐(2.6K ratings)
FreeIn-App Purchases
Light Meter LM-3000 screenshot 1
Light Meter LM-3000 screenshot 2
Light Meter LM-3000 screenshot 3
Light Meter LM-3000 screenshot 4

Transform your smartphone into a professional light meter. Measure illuminance and color temperature with scientifically validated accuracy, trusted by professionals. Requires a simple diffuser for precise readings.

What We Love

  • 👍 Great app
  • 👍 Accurate measurements
  • 👍 Easy to use
  • 👍 Helpful customer service
  • 👍 Useful for science/research

Room to Improve

  • 🐛 Requires diffuser for accurate readings
  • 💰 Expensive for a light meter app
  • 🔋 Battery/trial period issues
  • 🔍 Inconsistent/inaccurate readings
  • 🙄 Misleading/deceptive marketing
Photo Light & Exposure Meter#2

Photo Light & Exposure Meter by Pavel Bukhonov

Measure Shutter Speed, Lux, EV
Strong Contender
🔧 Utilities
4.5😐(3.3K ratings)
FreeIn-App Purchases
Photo Light & Exposure Meter screenshot 1
Photo Light & Exposure Meter screenshot 2
Photo Light & Exposure Meter screenshot 3

This app acts as a portable light meter for photographers. It helps you understand correct photography settings and experiment with shutter speed, aperture, and ISO in real time. Save snapshots with parameters and geolocation, and measure color temperature.

What We Love

  • 👍 Simple and easy to use
  • 🔍 Accurate light metering
  • 💡 Useful for film photography
  • 🚀 Quick and responsive
  • 📏 Helpful for exposure control

Room to Improve

  • 💰 Expensive subscription model
  • 🔒 Unclear pricing and subscription details
  • 🐛 Inconsistent performance and bugs
  • 📊 Limited features in free version
  • 💤 Frequent ads even after paid upgrade
Lghtmtr#3

Lghtmtr by Alexander Jacque

The minimalist light meter
Worth Considering
📷 Photo & Video
4.6(159 ratings)
FreeIn-App Purchases
Lghtmtr screenshot 1
Lghtmtr screenshot 2
Lghtmtr screenshot 3
Lghtmtr screenshot 4

This app provides a minimalist light meter to help users determine ideal exposure settings for photography. It visually demonstrates the relationship between ISO, aperture, and shutter speed, making it intuitive for learning photographers.

More Light Meter App apps to explore

FAQ about Light Meter App

What is the best light meter app for iPhone?
Light Meter LM-3000 tops our light meter app ranking as of October 2026, with a 4.5-star average from 2.6K App Store ratings, and it's free to download.
Yes — 20 of the top light meter app we rank are free to download, including Light Meter LM-3000 and Photo Light & Exposure Meter.
Light Meter LM-3000 has no ads and offers in-app purchases, according to its App Store listing as of October 2026.
We track 250+ light meter app on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.

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