LightBox Extra vs Lghtmtr
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LightBox Extra
Easily view 35mm negatives and slides on your iOS device. Customize the background for optimal viewing and the app remembers your preferred settings.
- View 35mm negatives and slides
- Customizable white background
- Background adjusts to negative/slide area
- Resizes for all iOS7 devices
- Remembers custom box sizes
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Use LightBox Extra to easily view 35mm negatives and slides. You can choose between a classic white background, or only have white where you place the negative/positive to avoid blinding yourself. Resizes itself to work on all iOS7 devices. You can resize the white boxes as needed, and next time you launch the app it will restore those.
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.
Screenshots
Verdict
The clearest difference is review sentiment: Lghtmtr at 80% against LightBox Extra's 28%. Lghtmtr also leads on rating (4.5 vs 2.3) and monetization model (free vs free with in-app purchases). LightBox Extra's advantage is device support (3 vs 1) and iOS requirement (8.0 vs 17.5). On price, ads and in-app purchases 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. LightBox Extra sells 1 one-off in-app purchase and Lghtmtr sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Lghtmtr holds the better App Store score, 4.5 against 2.3. That said, the two scores are not equally well evidenced: Lghtmtr has 129 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 28% of LightBox Extra's written reviews are positive against 80% of Lghtmtr's.
LightBox Extra ships an update every 13 months, Lghtmtr every 4 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.
| Parameter | LightBox Extra | Lghtmtr |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (19 ratings) | 4.5 (129 ratings) — better |
| Positive reviews | 27.8% of reviews | 79.7% of reviews — better |
| Number of ratings | 19 | 129 — better |
| Update frequency | Every 13 months | Every 4 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 8.0 — better | 17.5 |
| Further details — not scored | ||
| Size | 31 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | SkyCharts LLC | Alexander Jacque |
Customer experience
LightBox Extra
Lghtmtr
In-app purchases
LightBox Extra
- Remove Ads$0.99
Lghtmtr
- Coffee tip$4.99
Questions
Is LightBox Extra free?
Is Lghtmtr free?
Which has better reviews, LightBox Extra or Lghtmtr?
Do LightBox Extra or Lghtmtr have ads?
Which is updated more often, LightBox Extra or Lghtmtr?
Other comparisons
