Luxometer vs Luminosys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luxometer
Measure ambient light intensity in Lumens and color temperature in Kelvin using your phone's built-in sensors. Point your device at a light source and see real-time readings, enhanced with augmented reality visualizations.
- Ambient light intensity measurement (Lumens)
- Ambient color temperature measurement (Kelvin)
- Real-time data readouts
- Augmented reality visualizations
- Uses device's built-in hardware
Read full descriptionHide full description
This app functions as a light detector right from the convenience of your phone! As the old saying goes, the best light detector is the one you have on you. Well now, you can have one on you for all your safety and light detection needs with the tap of a finger. App uses the built in hardware and light detection algorithms provided by the device to offer powerful ambient light intensity detection (in Lumens) as well as ambient color temperature(in Kelvin) measurements. Simply point device in direction of light source, toggle the Light Estimation switch, and see the real time read outs of the incoming data. As a nice visual, the app also integrates some of the latest advances in Augment Reality to render floating spheres that reflect the light qualities being detected by the app.
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
Read full descriptionHide full description
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 ads: Luxometer at none against Luminosys's shown. Luxometer also leads on update cadence (daily vs every 19 months) and monetization model (free vs ad-supported). Luminosys's advantage is rating (4.4 vs 4.0) and review sentiment (75% vs 60%). On price, ratings volume and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Luminosys holds the better App Store score, 4.4 against 4.0. Both are backed by a comparable volume of ratings — 8 and 7 respectively. Written reviews point the same way: 60% of Luxometer's written reviews are positive against 75% of Luminosys's.
Luxometer ships an update daily, Luminosys every 19 months. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.
| Parameter | Luxometer | Luminosys |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (8 ratings) | 4.4 (7 ratings) — better |
| Positive reviews | 60.0% of reviews | 75.0% of reviews — better |
| Number of ratings | 8 — better | 7 |
| Update frequency | Daily — better | Every 19 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 13.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 0 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Arias Software LLC | Melissa Zwick |
Customer experience
Luxometer
Luminosys
In-app purchases
Luxometer
No in-app purchases
Luminosys
No in-app purchases
