Lux Light Meter for Mobile vs Libre Light Sensor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lux Light Meter for Mobile
This app provides accurate and easy-to-use light measurements in lux and foot candles. It's ideal for photographers, plant owners, and anyone needing to assess ambient light levels in various spaces. Features include real-time color temperature measurement and calculation of the daily light integral.
- Real-time color temperature measurement
- Lux and foot candle measurements
- Daily light integral (DLI) calculation
- Average and Max values
- Optimal shooting value selection
- Adjustable shooting values (shutter speed, aperture, ISO)
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Light Meter - is the most accurate, easy-to-use and versatile light meter available. It is perfect for measuring and adjusting light levels in your environment. It is indispensable tool for the photographer, great for measuring light in your plants, workspace and other spaces. Features: - Measurement of color temperature in real time - Light measurements in lux and foot candles - The daily light integral (DLI) calculating - Average and Max values - Selection of optimal shooting values in real time - Ability to change and fix individual values (shutter speed, aperture, ISO) Please note, that the Light Meter app is not a replacement for a professional lux meter and should be used for personal needs only. If you have any questions or suggestions, please, contact us: info@webrain.ltd Privacy policy: https://webrain.ltd/lm/privacy-policy-light-meter-app.html Terms of service: https://webrain.ltd/lm/light-meter-terms-conditions.html
Libre Light Sensor
Measure ambient light levels in Lux using your iPhone's camera. Optimize sleep quality by understanding light exposure throughout the day and night.
- Measure light in Lux
- Utilizes iPhone camera
- Optimize sleep quality
- Track light exposure
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Measure light levels in any environment. Libre Light Sensor leverages your iPhone's camera to calculate luminosity as measured in Lux. This allows you to determine how much light exposure your eyes are receiving when you wake up, during the day, and before bed in order to optimize your sleep quality.
Screenshots
Verdict
The clearest difference is review sentiment: Libre Light Sensor at 82% against Lux Light Meter for Mobile's 18%. Libre Light Sensor also leads on in-app purchases (none vs 7) and ads (none vs shown). Lux Light Meter for Mobile's advantage is update cadence (fortnightly vs every 5 weeks) and device support (3 vs 1). On price and ratings volume 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 for Mobile sells 7 in-app purchases, starting at $2.99 per 7 days. Libre Light Sensor asks for nothing beyond the download.
Libre Light Sensor holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 229 and 113 respectively. Written reviews point the same way: 18% of Lux Light Meter for Mobile's written reviews are positive against 82% of Libre Light Sensor's.
Lux Light Meter for Mobile ships an update fortnightly, Libre Light Sensor every 5 weeks. Both last shipped on October 15, 2026.
| Parameter | Lux Light Meter for Mobile | Libre Light Sensor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (229 ratings) | 4.8 (113 ratings) — better |
| Positive reviews | 17.5% of reviews | 82.4% of reviews — better |
| Number of ratings | 229 — better | 113 |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 50 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | WeBrain | John Harrington |
Customer experience
Lux Light Meter for Mobile
Libre Light Sensor
In-app purchases
Lux Light Meter for Mobile
- Lux Light Meter Pro3 Days trial$2.997 Days
- Light Meter 1 Week7 Days trial$2.997 Days
- Lux Light Meter$5.991 Month
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- Light Meter3 Days trial$5.991 Month
- Lux Meter$7.991 Year
- Light Meter Pro$14.991 Year
- Light Meter for Mobile3 Days trial$14.991 Year
Libre Light Sensor
No in-app purchases
Questions
Is Lux Light Meter for Mobile free?
Is Libre Light Sensor free?
Which has better reviews, Lux Light Meter for Mobile or Libre Light Sensor?
Do Lux Light Meter for Mobile or Libre Light Sensor have ads?
Which is updated more often, Lux Light Meter for Mobile or Libre Light Sensor?
Other comparisons
