Comparison

Light Meter Ultra vs Silverlog Timer

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

Head to head
About

Light Meter Ultra

This app provides precise light metering for film photography, eliminating the need for external hardware. It offers various metering modes and customizable profiles to ensure perfect exposures for manual cameras. Advanced features like reciprocity failure correction are available with a PRO plan.

Highlights
  • Aperture Priority Metering
  • Shutter Priority Metering
  • Exposure Priority Metering
  • Customizable ISO, Shutter Speed, Aperture
  • Exposure Compensation
  • Reciprocity Failure Correction
  • Custom Camera Profiles
Read full description

Fast, precise and easy to use. Get perfect exposures every time. No additional hardware required. Say goodbye to arcane Sunny 16. Figuring out the best exposure settings for your manual camera doesn’t have to be difficult. Light Meter Ultra for iPhone gives you the exact readings you need for your camera by simply pointing your device at the scene. Precise measurements mean you can dial in the perfect exposure settings for capturing the widest dynamic range, whilst customizable shooting profiles allow you to switch between settings with a single tap. Download now and take advantage of our free plan which includes our precision Aperture Priority metering mode, limited settings, and single-use shooting profiles. Or choose one of our PRO plans and gain access to everything the app has to offer, including our full suite of professional metering modes, quick-select reusable shooting profiles, plus advanced features such as reciprocity failure correction that you won't find elsewhere. Capture your creative vision with powerful features, including: - Aperture Priority Metering Mode - Shutter Priority Metering Mode* - Exposure Priority Metering Mode* - Stop increment selection of full, half or third stops* - Customizable ISO, Shutter Speed and Aperture ranges* - Exposure Compensation - Exposure Lock - Sample Offset - Custom Camera Profiles* - Detachable Lens Profiles* - Film/Emulsion Profiles* - Bulb-mode* - Reciprocity Failure Correction* *Features marked with an asterisk require an active PRO plan Download now and start metering on your iPhone today. Terms of Use: https://lightmeterultra.com/terms Privacy Policy: https://lightmeterultra.com/privacy

About

Silverlog Timer

Features
Read full description

Silverlog Timer is a purpose-built timer for darkroom film and print development, with agitation interval tracking and a red-only display mode for use under safelight conditions. HOW IT WORKS Pick a process, or build your own from steps that each have their own time and agitation interval. Start the timer and it runs through each step in turn, with clear visual and audio cues for each agitation cycle. Red mode switches every screen to a red-only display for print processing. FEATURES • Multi-step processes with a time and agitation interval for each step • Built-in templates for B&W, B&W stand development, C-41, E-6 and print development • Create and save your own processes • Agitation interval tracking with alerts • Red safelight display mode for print darkrooms • Audio alerts for agitation and completion • Countdown with progress through the whole process • Large, readable display • Works offline — no internet connection needed • Dark mode support USEFUL FOR • Black and white film development • C-41 and E-6 processing • Darkroom print development • Any timed chemical process with regular agitation Part of the Silverlog photography toolkit. No account required. No data collected.

Screenshots

Light Meter Ultra4 screens
Silverlog Timer4 screens

Verdict

The call

The clearest difference is iOS requirement: Silverlog Timer at 16.4 against Light Meter Ultra's 18.6. On price, update cadence, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Light Meter Ultra sells 3 in-app purchases, starting at $7.99 per 7 days and Silverlog Timer sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Light Meter Ultra ships an update every 8 days, Silverlog Timer weekly. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
Light Meter Ultra versus Silverlog Timer: the parameters behind the verdict, then further details
ParameterLight Meter UltraSilverlog Timer
PriceFreeFree
Rating4.7 (738 ratings) — better—
Positive reviews37.9% of reviews—
Number of ratings738 — better—
Update frequencyEvery 8 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.616.4 — better
Further details — not scored
Size81 MB41 MB
Age rating4+4+
DeveloperUltrafineSimon Westgate

Bugs and requests

Light Meter Ultra

Reported bugs

2 issues
  • Camera integration issues causing failed exposures
  • Inconsistent metering results compared to standalone meters

Requested features

4 requests
  • Offline mode for remote shooting
  • Wider aperture and shutter speed range
  • Support for more camera/film types
  • Customizable exposure bias/compensation

Silverlog Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Light Meter Ultra

Subscriptions3
  • Light Meter7 Days trial2 variants$7.997 Days
  • Light Meter2 variants$11.991 Month
  • Light Meter2 variants$39.991 Year
5 purchases

Silverlog Timer

One-time5
  • Nice One$0.99
  • Legend$2.99
  • Absolute Hero$4.99
Show 2 more
  • Guardian Angel$9.99
  • Actual Saint$29.99

Questions

Is Light Meter Ultra free?
Light Meter Ultra is free to download, with in-app purchases available.
Is Silverlog Timer free?
Silverlog Timer is free to download, with in-app purchases available.
Do Light Meter Ultra or Silverlog Timer have ads?
Neither Light Meter Ultra nor Silverlog Timer shows ads.
Which is updated more often, Light Meter Ultra or Silverlog Timer?
Light Meter Ultra ships an update every 8 days, and Silverlog Timer weekly. Most recently, Light Meter Ultra was updated on October 30, 2026 and Silverlog Timer on October 28, 2026.

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