Comparison

Lux Light Meter for Mobile vs Luminosys

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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)
Features
Read full description

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

About

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.

Highlights
  • 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 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

Lux Light Meter for Mobile4 screens
Luminosys3 screens

Verdict

The call

Lux Light Meter for Mobile and Luminosys both sit at 4.5 stars, but that hides the real split: 75% of Luminosys's written reviews are positive against 17% of Lux Light Meter for Mobile's. Luminosys also leads on in-app purchases (none vs 7). Lux Light Meter for Mobile's advantage is update cadence (fortnightly vs every 19 months) and ratings volume (236 vs 10). On price, rating and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Lux Light Meter for Mobile sells 7 in-app purchases, starting at $2.99 per 7 days. Luminosys asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Lux Light Meter for Mobile holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: Lux Light Meter for Mobile has 236 ratings behind it against 10, so its average is the more settled of the two. Written reviews complicate that: 17% of Lux Light Meter for Mobile's written reviews are positive against 75% of Luminosys's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Lux Light Meter for Mobile ships an update fortnightly, Luminosys every 19 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard7 real differences · 3 level
Lux Light Meter for Mobile versus Luminosys: the parameters behind the verdict, then further details
ParameterLux Light Meter for MobileLuminosys
PriceFreeFree
Rating4.5 (236 ratings) — better4.3 (10 ratings)
Positive reviews17.3% of reviews75.0% of reviews — better
Number of ratings236 — better10
Update frequencyFortnightly — betterEvery 19 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS13.0 — better16.0
Further details — not scored
Size50 MB3 MB
Age rating4+4+
DeveloperWeBrainMelissa Zwick

Customer experience

Lux Light Meter for Mobile

All ratings236 ratings
Positive87.3%
Neutral3.0%
Negative9.7%
Written reviews81 reviews
Positive17.3%
Neutral4.9%
Negative77.8%

Luminosys

All ratings7 ratings
Positive85.7%
Neutral0.0%
Negative14.3%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

7 purchases

Lux Light Meter for Mobile

Subscriptions7
  • Lux Light Meter Pro3 Days trial$2.997 Days
  • Light Meter 1 Week7 Days trial$2.997 Days
  • Lux Light Meter$5.991 Month
Show 4 more
  • 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
None

Luminosys

No in-app purchases

Questions

Is Lux Light Meter for Mobile free?
Lux Light Meter for Mobile is free to download, with in-app purchases available.
Is Luminosys free?
Luminosys is free to download, with no in-app purchases.
Which has better reviews, Lux Light Meter for Mobile or Luminosys?
Lux Light Meter for Mobile is rated higher. Lux Light Meter for Mobile averages 4.5 out of 5 from 236 ratings, while Luminosys averages 4.3 from 10 ratings.
Do Lux Light Meter for Mobile or Luminosys have ads?
Both Lux Light Meter for Mobile and Luminosys show ads.
Which is updated more often, Lux Light Meter for Mobile or Luminosys?
Lux Light Meter for Mobile ships an update fortnightly, and Luminosys every 19 months. Most recently, Lux Light Meter for Mobile was updated on November 3, 2026 and Luminosys on October 30, 2026.

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