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Lightme - Lightmeter

Lightme - Lightmeter

A clean, powerful lightmeter

865 ratings
186 reviews
📷 Photo & Video
Free
In-App Purchases

Details

  • Released
  • Updated
  • May 16, 2020
  • May 26, 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
iphone
ipad
🧾$1.99 - $59.99
In-App Purchase↘︎
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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
Show original description

What users say

Summarized from real user reviews of Lightme. Based on 865 reviews and a 4.9/5 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

3.0.17

May 26, 2026

• fixes spot metering for older devices

1

In-App Purchases

$9.99

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Tell me I deserve a proper Carbonara <3

User reviews

Most RecentHighest RatedLowest Rated

Absolutely essential!

I have been using Lightme for about a month now and it is the best phone-based light meter I have used. Very flexible and intuitive.
Carlos Muñoz MorrisonCarlos Muñoz Morrison

Very good, but missing features

I love this app, but why don’t you give options above f16? My camera goes to f32 and maxes at 400SS, so I’m having to guess iris stops past 16, which I often am past 16 in very bright scenes.
Nate55559Nate55559

Useless

I need a simple normal photography light meter. Not sure what usage this is for.
rileyfilmrileyfilm

The best lightmeter

I’ve tried several lightmeter apps, and this is my fav so far.

See the description to know all what offers, but this is the only one that I’ve added to my lock screen.

Besides, you don’t have to subscribe, you can pay once and support the project.
Que me dejesQue me dejes

Great for reversal printing

Actually goes down to .8 iso and has a built in timer. Really great for doing reversal print pictures on the paper in camera. Well thought out and intuitive to use.
Dannydogg12Dannydogg12
See 181 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.