Lux Light Meter Pro vs Luminosys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lux Light Meter Pro
Measure light intensity in lux and foot candles with this 2-in-1 meter. Optimize photography settings, adjust indoor lighting, or prevent eye strain with professional-quality readings directly from your smartphone.
- Real-time lux and foot candle measurements
- Real-time color temperature measurements
- Real-time histogram plotting
- Customizable settings for shutter speed, ISO, aperture
- Front and back camera support
- Intuitive and customizable controls
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Light Meter is a 2-in-1 light intensity (lux) and exposure meter with customizable settings. Whether you want to capture the perfect photo or optimize lighting in any space, Light Meter provides professional-quality readings right on your phone. Forget about expensive professional equipment that you have to carry around. With Light Meter, you can get light intensity data with just one click to choose the best settings for manual or film photography, adjust home, work, or greenhouse lighting, and prevent eye strain from poor lighting. Features: - intuitive and customizable controls - for front and back cam - collects light intensity data in real time - instant lux and foot candle measurements - real-time color temperature measurements - real-time histogram plotting - customizable settings for shutter speed, ISO, aperture - preview and adjust diaphragm settings before shooting Have any questions or suggestions? Write to us: sparkappsfeedback@gmail.com Terms of Use - https://www.iubenda.com/terms-and-conditions/82717056 Privacy Policy - https://www.iubenda.com/privacy-policy/82717056
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.
Screenshots
Verdict
The clearest difference is review sentiment: Luminosys at 75% against Lux Light Meter Pro's 21%. Luminosys also leads on rating (4.4 vs 3.9) and in-app purchases (none vs 4). Lux Light Meter Pro's advantage is update cadence (every 3 months vs every 19 months) and ratings volume (5.1K vs 7). On price, ads 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. Lux Light Meter Pro sells 3 in-app purchases, starting at $1.99 per month. Luminosys asks for nothing beyond the download.
Luminosys holds the better App Store score, 4.4 against 3.9. That said, the two scores are not equally well evidenced: Lux Light Meter Pro has 5.1K ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 21% of Lux Light Meter Pro's written reviews are positive against 75% of Luminosys's.
Lux Light Meter Pro ships an update every 3 months, Luminosys every 19 months. The most recent releases landed on September 24, 2026 and September 20, 2026 respectively.
| Parameter | Lux Light Meter Pro | Luminosys |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (5.1K ratings) | 4.4 (7 ratings) — better |
| Positive reviews | 21.3% of reviews | 75.0% of reviews — better |
| Number of ratings | 5.1K — better | 7 |
| Update frequency | Every 3 months — better | Every 19 months |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15 — better | 16.0 |
| Further details — not scored | ||
| Size | 19 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Marina Polyanskaya | Melissa Zwick |
Customer experience
Lux Light Meter Pro
Luminosys
Bugs and requests
Lux Light Meter Pro
Reported bugs
3 issues- Readings stuck at 0 lux regardless of light conditions
- Frequent crashes and freezes
- Inability to switch between front and rear cameras
Requested features
3 requests- Ability to save and review past measurements
- More detailed instructions and guidance on proper usage
- Improved accuracy and calibration options
Luminosys
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Lux Light Meter Pro
- Premium Access3 Days trial$1.991 Month
- Premium Access2 variants$14.991 Year
- Pro Mode$9.99
Luminosys
No in-app purchases
Questions
Is Lux Light Meter Pro free?
Is Luminosys free?
Which has better reviews, Lux Light Meter Pro or Luminosys?
Do Lux Light Meter Pro or Luminosys have ads?
Which is updated more often, Lux Light Meter Pro or Luminosys?
Other comparisons
