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Lightme - Lightmeter

Lightme - Lightmeter

A clean, powerful lightmeter

918 ratings
212 reviews
📷 Photo & Video
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 16, 2020
  • September 24, 2026

Features

Developer

Giuseppe Bertolini
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Lightme - Lightmeter screenshot #1 for iPhone
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Lightme - Lightmeter screenshot #5 for iPhone
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🧾$1.99 - $59.99
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About

This powerful light meter app offers a clean, intuitive interface optimized for one-handed use. It displays multiple aperture and shutter speed combinations simultaneously, aiding quick setting selection. Suitable for beginners and experienced photographers alike, it includes advanced features like spot metering, reciprocity failure compensation, and pinhole mode.

✓Multiple exposure settings display
✓One-handed operation
✓Spot metering with zoom
✓Reciprocity failure compensation
✓Pinhole mode
✓Incident light metering
✓Film database
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What users say

Summarized from real user reviews of Lightme. Based on 918 reviews and a 4.8/5 average, it highlights the 8 positives and 4 negatives reviewers mention most about this Photo & Video app.

Positive things

  • 🚀Accurate metering
  • 👍Intuitive and clean interface
  • 💡Comprehensive features (spot metering, zone system, film stock selection, etc.)
  • 🚀Consistently accurate exposures
  • 👍Thoughtful design with user's needs in mind
  • 👍Helpful reminders (e.g. checking ISO)
  • 💡Offline functionality
  • 👍No ads, optional support via coffee donations

Negative things

  • 🐛Occasional crashes or freezes
  • 👎Confusing or cluttered interface for some users
  • 👎Tedious film selection process
  • 🐛Inaccurate metering in certain lighting conditions
See all reviews

What's New in Lightme

3.0.20

September 24, 2026

Fixes compatibilità with older iOS versions

1

Subscriptions & In-App Purchases

$9.99

Guanciale

Tell me I deserve a proper Carbonara <3

User reviews

Most RecentHighest RatedLowest Rated

Best phone lightmeter

This is the best lightmeter app I’ve ever used for my film photography. Big thanks to the developer!
cshsu.twcshsu.tw

Every beginner should use this!

As a beginner, this app really helped me improve my intuition for choosing appropriate shutter speed/aperture combinations.

It also showed me that my in-lens light meter in my Canon FTb is a bit off. Now I can take that into account when I need to make fast decisions and can‘t measure with the app first. Most of the time, the suggested values from the app (when I meter afterwards) match with what I chose to use based on the in-lens meter.

The integration with the logbook is the real highlight, though. Only way to improve it would be to make it easier/more convenient to pick a different shutter speed/aperture than what the app offers after hitting the log button. (Right now it‘s somewhat cumbersome to scroll down once the logbook app opens and adjust it from there.)

All in all it‘s an easy 5/5, though. Probably the best tool I would recommend to any beginner.
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Jolly Ca$hJolly Ca$h

#1 light meter app

This is the best light meter app i have ever used. Been using it for a couple years, keeps getting better with all the updates and tweaks.
EJ3444EJ3444

Highly recommend!

I rely on this so much. It is my favourite Light Meter app, and is my primary meter for landscape work with my 500cm. ❤️🙏
ParkerGLParkerGL

Klasse!

Diese App ist großartig! Besonders hilfreich ist die Filmdatenbank. Das kenne ich nur aus dieser App.
sprallsisprallsi
See 207 more reviews

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User experience

🐞

Reported Bugs

2 issues

Crashes on iOS 16

Bug

Metering issues with certain camera/lens combinations

Bug
✨

Requested Features

5 requests

Add shutter angle adjustment for cinematography

Feature

Implement ISO lock feature

Feature

Add more film stock profiles

Feature

Improve film selection process (e.g. search, categories)

Feature

Provide more customization options (e.g. interface themes)

Feature

FAQ

What does the Lightme app do?

This app functions as a powerful yet simple light meter for your smartphone. It helps photographers determine the correct exposure settings by measuring light and suggesting combinations of aperture and shutter speed. It's designed for ease of use, even with one hand, and offers advanced features for more experienced users.

What are the key features of this light meter app?

Key features include displaying multiple valid aperture and shutter speed combinations simultaneously, optimized one-handed operation, continuous and spot metering with variable zoom, automatic reciprocity failure compensation for over 25 films, a dedicated pinhole mode, and incident light metering with calibration. It also offers a black and white preview, multiple camera support, and a searchable film database.

Is this app free to use?

The app is free to use with all its core functionalities. However, it offers in-app purchases to support the project. These purchases can unlock minor perks, such as replacing the ad button with your current preset name, but do not affect the primary light metering capabilities.

What kind of devices is this app compatible with?

The app is designed to be used on smartphones. It allows you to use any of the cameras on your smartphone for metering, and you can swipe left or right on the preview to switch between them. The app also supports dark mode.

Who would benefit from using this light meter app?

This app is beneficial for a wide range of photographers. Beginners can appreciate its simple one-button use and welcoming interface, while experienced shooters will find value in advanced features like spot metering, zone system implementation, and reciprocity failure compensation for film photography.