Comparison

Luminis Light Meter Pro vs DevClock

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

Head to head
About

Luminis Light Meter Pro

Read full description

Light Meter is an app that helps you calculate the right exposure using your main phone camera. You just need to set the ISO speed of the film you're using and set the desired aperture value and the app will recalculate the shutter speed for you, simple as that. Features: • Calculate exposure with the main camera sensor • Tap the aperture or shutter speed value to lock it and change priority mode • Use the zoom menu or simple pinch to zoom function and use zoomed part as the area metering mode • Use the Snap function to easily set the desired camera parameters • Add and save your entire shooting process to notes quickly • Back up your notes using the backup feature • Use B&W mode to see how your photos will turn out in real time • Use the Film Stock feature to choose the type of film you're shooting with • Pro version comes with no ads or tracking We constantly update the app to provide more features that users are looking for, so expect even more with future updates. Thank you for using the Light Meter Pro app.

About

DevClock

This app assists with black-and-white film development in a darkroom. It allows users to create custom timers, follow step-by-step development processes, and view information in low light with a red mode. Features include local notifications and Live Activities for timer status.

Highlights
  • Quick timer for countdowns
  • Film and developer setup
  • Guided process timing
  • Red mode for low light
  • Local notifications and haptics
  • Live Activities support
  • Custom process plans
Features
Read full description

DevClock is a focused darkroom companion for black-and-white film work. Build quick timers, follow film development steps, and keep your process readable in low light. DevClock is designed for practical darkroom use: large controls, high-contrast timing screens, red mode, local notifications, haptics, and Live Activities for supported iOS devices. Key features: • Quick Timer for simple countdowns • Film and developer setup for black-and-white workflows • Guided process timing for develop, stop, fix, and wash steps • Red mode for darkroom-friendly viewing • Local notifications and haptic reminders • Live Activities for timer status on supported devices • Custom process plans • English, Simplified Chinese, Traditional Chinese, and Japanese interface options Important note: built-in development times are intended as useful starting points, not guaranteed processing instructions. Always confirm critical film, developer, temperature, and agitation choices against your own workflow and official manufacturer guidance. DevClock is local-first. It does not require an account, does not use analytics, does not include ads, and does not track you.

Screenshots

Luminis Light Meter Pro4 screens
DevClock4 screens

Verdict

The call

The clearest difference is price: DevClock at Free against Luminis Light Meter Pro's $5.99. Luminis Light Meter Pro's advantage is iOS requirement (15.0 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

DevClock is free to download; Luminis Light Meter Pro costs $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Scorecard2 real differences · 7 level
Luminis Light Meter Pro versus DevClock: the parameters behind the verdict, then further details
ParameterLuminis Light Meter ProDevClock
Price$5.99Free — better
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 5 months—
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size23 MB4 MB
Age rating9+4+
DeveloperDejan Boras思圆 潘

In-app purchases

None

Luminis Light Meter Pro

No in-app purchases

None

DevClock

No in-app purchases

Questions

Is Luminis Light Meter Pro free?
Luminis Light Meter Pro costs $5.99, with no in-app purchases.
Is DevClock free?
DevClock is free to download, with no in-app purchases.
Do Luminis Light Meter Pro or DevClock have ads?
Neither Luminis Light Meter Pro nor DevClock shows ads.

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