Comparison

Lghtmtr vs Light Planner

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Lghtmtr

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.

Highlights
  • Minimalist light meter
  • Intuitive exposure settings
  • Visual feedback
  • Adjustable ISO, aperture, shutter speed
  • Camera profile customization
  • Scene reference with readings
Features
Read full description

Lghtmtr is a beautifully simple light meter that helps you find — and understand — the ideal exposure settings for a scene. Built for film photographers and anyone learning the craft, it makes the relationship between ISO, aperture, and shutter speed feel intuitive and the visual feedback helps reinforce the connection between them. Take a reading, get your settings, and start exploring. Adjust one value and the others respond instantly. Lock settings to experiment and see how each change affects your exposure. You can easily add camera profiles to the app to limit the possible values to what's most relevant to your camera and lens combination. With a visual reference of the scene behind every reading, Lghtmtr helps you shoot with clarity and confidence.

About

Light Planner

Read full description

Do you want to calculate an exposure time based on the shutter speed and ND filters you have on your camera? LightPlanner will do it for you and you won't have any more headaches in the middle of a photo shoot! It is an exposure value configurator that influences how light enters your camera. This app will help you calculate equivalent values based on the law of reciprocity, with which you can configure different settings to get the right exposure. It helps you to organize your next photo escapades and take pictures with different settings. 1. Select the step scale you need. 2. Set the shutter speed. 3. Select from 1 to 3 ND filters. 4. Get the final exposure time directly calculated. 5. Time it!

Screenshots

Lghtmtr4 screens
Light Planner4 screens

Verdict

The call

The clearest difference is in-app purchases: Light Planner at none against Lghtmtr's 1. Light Planner also leads on update cadence (daily vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lghtmtr sells 1 one-off in-app purchase. Light Planner asks for nothing beyond the download.

UpkeepUpdate frequency

Lghtmtr ships an update every 4 months, Light Planner daily. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.

Scorecard2 real differences · 8 level
Lghtmtr versus Light Planner: the parameters behind the verdict, then further details
ParameterLghtmtrLight Planner
PriceFreeFree
Rating4.5 (129 ratings) — better—
Positive reviews79.7% of reviews—
Number of ratings129 — better—
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhoneiPhone
Requires iOS17.517.0 — better
Further details — not scored
Size25 MB5 MB
Age rating4+4+
DeveloperAlexander JacqueCarlos Morgado Alarcon

In-app purchases

1 purchases

Lghtmtr

One-time1
  • Coffee tip$4.99
None

Light Planner

No in-app purchases

Questions

Is Lghtmtr free?
Lghtmtr is free to download, with in-app purchases available.
Is Light Planner free?
Light Planner is free to download, with no in-app purchases.
Do Lghtmtr or Light Planner have ads?
Neither Lghtmtr nor Light Planner shows ads.
Which is updated more often, Lghtmtr or Light Planner?
Lghtmtr ships an update every 4 months, and Light Planner daily. Most recently, Lghtmtr was updated on September 27, 2026 and Light Planner on September 23, 2026.

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