Comparison

Darkroom Timer 3 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

Darkroom Timer 3

Features
Read full description

A timer for your analog darkroom or film development. 3 timer values can be set and recalled from memory. Use the "DR MODE" button to toggle between normal light and red light mode.

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

Darkroom Timer 32 screens
LUX Meter4 screens

Verdict

The call

The clearest difference is price: LUX Meter at Free against Darkroom Timer 3's $2.99. Darkroom Timer 3's advantage is iOS requirement (12.0 vs 17.0). On ads, in-app purchases 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

LUX Meter is free to download; Darkroom Timer 3 costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Darkroom Timer 3 versus LUX Meter: the parameters behind the verdict, then further details
ParameterDarkroom Timer 3LUX Meter
Price$2.99Free — better
Rating—5.0 (3 ratings) — better
Number of ratings—3 — better
Update frequency—Every 3 days
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPod — betteriPhone
Requires iOS12.0 — better17.0
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperChristian HahnYannick Binay

In-app purchases

None

Darkroom Timer 3

No in-app purchases

None

LUX Meter

No in-app purchases

Questions

Is Darkroom Timer 3 free?
Darkroom Timer 3 costs $2.99, with no in-app purchases.
Is LUX Meter free?
LUX Meter is free to download, with no in-app purchases.
Do Darkroom Timer 3 or LUX Meter have ads?
Neither Darkroom Timer 3 nor LUX Meter shows ads.

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