Luminosys vs Light Meter.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luminosys
Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.
- Measures light in Lux
- Measures light in Foot Candles (FC)
- Uses phone camera for accuracy
- Easy to use interface
- Suitable for photography
- Useful for indoor gardening
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Luminosys allows you to accurately measure the ambient light level in Lux or Foot Candles (FC). To do this, Luminosys uses your phone's camera in conjunction with a piece of paper to accurately measure the light level. It is very easy to use and is a great app for those looking for accurate light measurements for photography, comparing light sources, or indoor gardening.
Light Meter.
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Measure Light Intensity with Precision! Accurately gauge the brightness in any environment using our Light Meter app. Perfect for photographers, videographers, and anyone needing to measure light levels. Record and track readings to ensure the ideal lighting for your projects. Terms Of Use https://github.com/projectuser-gl/terms/blob/main/light-meter.html Privacy Policy https://www.privacypolicies.com/live/bcfb1b5b-5181-4248-8f20-8330913b3e98
Screenshots
Verdict
The clearest difference is in-app purchases: Luminosys at none against Light Meter.'s 1. Light Meter.'s advantage is ads (none vs shown) and update cadence (every 6 weeks vs every 19 months). On price, 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. Light Meter. sells 1 one-off in-app purchase. Luminosys asks for nothing beyond the download.
Luminosys ships an update every 19 months, Light Meter. every 6 weeks. The most recent releases landed on September 20, 2026 and September 13, 2026 respectively.
| Parameter | Luminosys | Light Meter. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (7 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 19 months | Every 6 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.2 |
| Further details — not scored | ||
| Size | 3 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Melissa Zwick | Muhammed Efdal incesu |
In-app purchases
Luminosys
No in-app purchases
Light Meter.
- Light Meter Lifetime Premium$2.99
Questions
Is Luminosys free?
Is Light Meter. free?
Do Luminosys or Light Meter. have ads?
Which is updated more often, Luminosys or Light Meter.?
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