Luminosys - Light Meter
Melissa Zwick Utilities iPhoneiPadiPod touch
Luminosys - Light Meter is a free Utilities app for iPhone and iPad by Melissa Zwick. Rated 4.3/5 from 10 ratings. Requires iOS 16.0. Updated August 6, 2025.
- Rating
- 4.3
- 10 ratings
- Price
- Free
- on the App Store
- Size
- 3 MB
- Age 4+
- Updated
- Aug 6
- 2025 · v1.0.1
Screenshots
About Luminosys - Light Meter
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.
Ratings & reviews
4.3
10 ratings
What’s new
Version 1.0.1 · Updated August 6, 2025
Improved light level calculation algorithm.
App privacy
The developer, Melissa Zwick, reported these privacy practices to Apple.
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
- Diagnostics: Crash Data, Performance Data
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data, Other Usage Data
- Diagnostics: Crash Data, Performance Data
Used for: Third-Party Advertising
Alternatives to Luminosys - Light Meter
Looking for apps like Luminosys - Light Meter? Here are 6 similar apps on the App Store. The highest rated is Lux Light Meter & Photometer (4.8/5), and all 6 are free to download.
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Light Meter: Lux-525 Pro
4.5
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Luxmeter - Lux Light Meter
4.4
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Lux Light Meter & Photometer
4.8
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Light Meter LM-3000
4.5
-
Lux Light Meter Pro
3.9
-
Lux Light Meter Pro for Photo
4.8
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Luminosys - Light Meter | 4.3 / 5 (10 ratings) | Free | August 6, 2025 | |
| Light Meter: Lux-525 Pro | 4.5 / 5 (116) | Free | Sep 9, 2026 | Compare |
| Luxmeter - Lux Light Meter | 4.4 / 5 (250) | Free | Oct 16, 2026 | Compare |
| Lux Light Meter & Photometer | 4.8 / 5 (197) | Free | Sep 8, 2026 | Compare |
| Light Meter LM-3000 | 4.5 / 5 (2,593) | Free | Oct 1, 2026 | Compare |
| Lux Light Meter Pro | 3.9 / 5 (5,142) | Free | Oct 10, 2025 | Compare |
| Lux Light Meter Pro for Photo | 4.8 / 5 (446) | Free | Jun 25, 2026 | Compare |