Libre Light Sensor vs Luxmeter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
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.
Luxmeter
This app measures light intensity in lux and provides real-time exposure suggestions for photography. It offers customizable settings for shutter speed, aperture, and ISO, with options for both front and back cameras. It's designed for personal use to optimize lighting and capture better photos.
- Light intensity measurement (lux, foot-candles)
- Real-time color temperature readings
- Exposure suggestions
- Manual shutter speed, aperture, ISO control
- Front and back camera support
- Customizable settings
Read full descriptionHide full description
LuxMeter 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, LuxMeter provides good-quality readings right on your phone. Key Features: - Real-time color temperature readings - Light intensity measurements in lux and foot-candles - Tracking of average and maximum light levels - Real-time suggestions for optimal exposure settings - Manual adjustment and locking of shutter speed, aperture, and ISO - Intuitive and customizable controls - For front and back cam - Customizable settings for shutter speed, ISO, aperture - Preview and adjust diaphragm settings before shooting Please note, that the LuxMeter app is not a replacement for a professional lux meter and should be used for personal needs only. Terms of Use - https://luxmeter-landing.vercel.app/privacy Privacy Policy - https://luxmeter-landing.vercel.app/terms
Screenshots
Verdict
The clearest difference is review sentiment: Libre Light Sensor at 82% against Luxmeter's 8%. Libre Light Sensor also leads on in-app purchases (none vs 7) and ads (none vs shown). Luxmeter's advantage is update cadence (every 5 days vs every 5 weeks). On price, ratings volume, 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. Luxmeter sells 7 in-app purchases, starting at $5.99 per 7 days. Libre Light Sensor asks for nothing beyond the download.
Libre Light Sensor holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 113 and 208 respectively. Written reviews point the same way: 82% of Libre Light Sensor's written reviews are positive against 8% of Luxmeter's.
Libre Light Sensor ships an update every 5 weeks, Luxmeter every 5 days. The most recent releases landed on October 3, 2026 and September 30, 2026 respectively.
| Parameter | Libre Light Sensor | Luxmeter |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (113 ratings) — better | 4.4 (208 ratings) |
| Positive reviews | 82.4% of reviews — better | 8.3% of reviews |
| Number of ratings | 113 | 208 — better |
| Update frequency | Every 5 weeks | Every 5 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | John Harrington | STOMBERG s.r.o |
Customer experience
Libre Light Sensor
Luxmeter
In-app purchases
Libre Light Sensor
No in-app purchases
Luxmeter
- Luxmeter Pro7 Days trial$5.997 Days
- Luxmeter Pro$5.997 Days
- Luxmeter Pro3 Days trial$8.997 Days
Show 4 moreShow fewer
- Luxmeter Pro7 Days trial$9.997 Days
- Luxmeter Pro3 Days trial$9.997 Days
- Luxmeter Pro$9.997 Days
- Luxmeter Pro$29.991 Year
Questions
Is Libre Light Sensor free?
Is Luxmeter free?
Which has better reviews, Libre Light Sensor or Luxmeter?
Do Libre Light Sensor or Luxmeter have ads?
Which is updated more often, Libre Light Sensor or Luxmeter?
Other comparisons
