Comparison

Light Meter vs LUX Meter

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

Head to head
About

Light Meter

This tool precisely measures light intensity in Lux and Footcandles, offering data for photography, plant care, and environmental analysis. It provides photography recommendations and generates data reports for various applications.

Highlights
  • Multi-mode metering system
  • Real-time color temperature capture
  • Photography decision engine
  • Plant cultivation light monitoring
  • Space optimization analysis
  • Data report generation
Features
Read full description

This is a high-precision light measurement tool that combines professional metering technology with cross scene adaptation capabilities, providing data support for photography creation, plant research, and environmental optimization. Core functional architecture • Multi mode metering system - Real time capture of color temperature changes and synchronized display of dual unit values of Lux and Fc, supporting dynamic average and peak recording • Photography Decision Engine - Based on ambient light intensity, it intelligently recommends shutter speed, ISO, and aperture combinations, allowing manual adjustment of parameters to achieve personalized exposure control Cross disciplinary analysis tools *Plant cultivation: Monitoring photosynthetically active radiation to ensure optimal growth light conditions *Space optimization: Diagnosing office/home lighting environments and preventing visual fatigue Technical characteristics and value √ Adopting multi-sensor collaborative algorithm, with an error rate lower than industry standards √ Portable use on mobile devices, replacing traditional professional equipment to reduce costs √ Generate data reports and support customized archiving of lighting schemes Redefining the Dimension of Light Control from Lens to Leaves "- Recommended Tool for Photography and Plant Science in 2025 1. Payment: The user deducts the payment through their iTunes account and makes the payment upon confirmation of the purchase 2. Renewal: The user's iTunes account will be charged within 24 hours before expiration, increasing the corresponding subscription period 3. Cancel Renewal: To cancel the renewal, go to "iTunes Store and App Store" ->click on "App ID", enter the "Account Settings" page, click on "Subscription", and select "Cancel Subscription" 4. Privacy Agreement and Service Terms: https://docs.google.com/document/d/1nONXGfXZcKQ6xEDwxsVuXdxZGoxmut4_i64fmeCuWhE 5. Terms of Use: https://docs.google.com/document/d/1TpnftZ9iV5KYd_4xqYNkfYs-8Zt9nWXMU_UHLMbype8

About

LUX Meter

This app measures ambient light levels in lux or foot-candles using your iPhone camera. It provides instant feedback on whether a space is too dim, comfortable, or bright enough for various tasks and offers calibration options.

Highlights
  • Lux and foot-candle readings
  • Lighting target presets
  • Live brightness scale
  • Hold mode for measurements
  • Session min, average, and max
  • Calibration against trusted value
  • Private on-device metering
Features
Read full description

LUX Meter is a private light meter for quick, practical illuminance checks with your iPhone camera. Measure ambient light in lux or foot-candles, compare rooms and work areas, check desk lighting, find brighter spots for plants, and see whether a space is too dim, comfortable, or bright enough for detailed tasks. Pick a target for your task — reading, office, kitchen, plants and more — and get instant "too dim / good / too bright" feedback as you move the phone. Simple and trustworthy: no account, no ads, no tracking, no photo storage. Features: - Lux and foot-candle readings - Lighting target presets with live in-range feedback - Live brightness scale with plain-language guidance - Hold mode to freeze a measurement - Session min, average and max - Calibration against one trusted lux value - Practical guide with common light levels - Paper-diffuser guidance for incident light - Private on-device camera metering Important: LUX Meter estimates illuminance from camera exposure. Great for quick checks, comparisons, and plant or room-light decisions. For regulated, safety-critical, or professional compliance measurements, use a certified lux meter.

Screenshots

Light Meter4 screens
LUX Meter4 screens

Verdict

The call

The clearest difference is rating: LUX Meter at 4.3 against Light Meter's 3.6. LUX Meter also leads on in-app purchases (none vs 3) and update cadence (every 3 days vs every 6 weeks). Light Meter's advantage is iOS requirement (13.0 vs 17.0). On price, ratings volume, ads and device support 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. Light Meter sells 3 in-app purchases, starting at $9.00 per 7 days. LUX Meter asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

LUX Meter holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 15 and 12 respectively.

UpkeepUpdate frequency

Light Meter ships an update every 6 weeks, LUX Meter every 3 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

Scorecard5 real differences · 4 level
Light Meter versus LUX Meter: the parameters behind the verdict, then further details
ParameterLight MeterLUX Meter
PriceFreeFree
Rating3.6 (15 ratings)4.3 (12 ratings) — better
Number of ratings15 — better12
Update frequencyEvery 6 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better17.0
Further details — not scored
Size13 MB3 MB
Age rating4+4+
Developer琦 崔Yannick Binay

Customer experience

Light Meter

All ratings4 ratings
Positive50.0%
Neutral0.0%
Negative50.0%

LUX Meter

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Light Meter

Subscriptions1
  • Weekly membership3 Days trial$9.007 Days
One-time2
  • Annual Membership$14.99
  • Lifetime membership$29.99
None

LUX Meter

No in-app purchases

Questions

Is Light Meter free?
Light Meter is free to download, with in-app purchases available.
Is LUX Meter free?
LUX Meter is free to download, with no in-app purchases.
Which has better reviews, Light Meter or LUX Meter?
LUX Meter is rated higher. Light Meter averages 3.6 out of 5 from 15 ratings, while LUX Meter averages 4.3 from 12 ratings.
Do Light Meter or LUX Meter have ads?
Neither Light Meter nor LUX Meter shows ads.
Which is updated more often, Light Meter or LUX Meter?
Light Meter ships an update every 6 weeks, and LUX Meter every 3 days. Most recently, Light Meter was updated on October 30, 2026 and LUX Meter on November 5, 2026.

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