Lghtmtr vs Light Planner
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Minimalist light meter
- Intuitive exposure settings
- Visual feedback
- Adjustable ISO, aperture, shutter speed
- Camera profile customization
- Scene reference with readings
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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.
Light Planner
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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
Verdict
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
Both are free to download. Lghtmtr sells 1 one-off in-app purchase. Light Planner asks for nothing beyond the download.
Lghtmtr ships an update every 4 months, Light Planner daily. The most recent releases landed on September 27, 2026 and September 23, 2026 respectively.
| Parameter | Lghtmtr | Light Planner |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (129 ratings) — better | — |
| Positive reviews | 79.7% of reviews | — |
| Number of ratings | 129 — better | — |
| Update frequency | Every 4 months | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.5 | 17.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Jacque | Carlos Morgado Alarcon |
In-app purchases
Lghtmtr
- Coffee tip$4.99
Light Planner
No in-app purchases
Questions
Is Lghtmtr free?
Is Light Planner free?
Do Lghtmtr or Light Planner have ads?
Which is updated more often, Lghtmtr or Light Planner?
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