Comparison

Massive Dev Chart Timer 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

Massive Dev Chart Timer

This app provides an offline film development chart and a multi-step timer for photographers. It includes customizable agitation, darkroom themes, and support for various developing and fixing steps. It also offers automated compensation for development time and temperature.

Highlights
  • Offline film development chart
  • Multi-step timer with sound notifications
  • Customizable agitation schemes
  • Darkroom themes
  • Dilution mixer
  • Automated time/temperature compensation
Features
Read full description

The Massive Dev Chart is the world's largest film development chart with easy to use multi step timer and darkroom support for iPhone and iPad. Watch the instructional video at: https://www.youtube.com/watch?v=P915z6THiY8. *** Features *** • Offline copy of The Massive Dev Chart in your pocket • Multi Step Timer with sound notifications • Customizable agitation scheme • Darkroom themes • Dilution Mixer • Support for two-step development and two-step fixing • Support for optional hypoclear and photo flo steps • Automated development time/temperature compensation

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

Massive Dev Chart Timer4 screens
Silverlog Timer4 screens

Verdict

The call

The clearest difference is price: Silverlog Timer at Free against Massive Dev Chart Timer's $9.99. Silverlog Timer also leads on update cadence (weekly vs every 5 months). Massive Dev Chart Timer's advantage is in-app purchases (none vs 5) and chart position (#67 vs unranked). On ads, device support and iOS requirement 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

Silverlog Timer is free to download; Massive Dev Chart Timer costs $9.99 up front. Silverlog Timer sells 5 one-off in-app purchases. Massive Dev Chart Timer asks for nothing beyond the download.

UpkeepUpdate frequency

Massive Dev Chart Timer ships an update every 5 months, Silverlog Timer weekly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 7 level
Massive Dev Chart Timer versus Silverlog Timer: the parameters behind the verdict, then further details
ParameterMassive Dev Chart TimerSilverlog Timer
Price$9.99Free — better
Rating3.7 (55 ratings) — better—
Positive reviews70.8% of reviews—
Number of ratings55 — better—
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
Best chart rank#67 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better16.4
Further details — not scored
Size14 MB41 MB
Age rating4+4+
DeveloperFreestyle Photo & ImagingSimon Westgate

Bugs and requests

Massive Dev Chart Timer

Reported bugs

12 issues
  • HC110 dilution section displays only letters, not ratios
  • Dilution ratios not calculating when solution amount adjusted
  • App crashes after selecting film speed
  • Crashes on iPad with new update
  • Timer display shows three dots instead of seconds
Show 7 more
  • UI elements overlap on older iPhone models
  • Safelight mode white banner blocks display on iPad
  • Crashes during development process
  • Home screen line emits bright light in darkroom mode
  • App incompatible with newer iOS versions on older devices
  • Notes don't word wrap properly
  • Inconsistent film/developer availability between iPhone and iPad

Requested features

15 requests
  • Color film support (C-41, E-6, ECN-2 processes)
  • Search functionality by film brand/name
  • Ability to add custom process steps (presoak, toning)
  • Individual agitation control per development stage
  • Continuous agitation option
Show 10 more
  • Volume calculator for stop bath and fixer
  • Background timer functionality
  • Custom step name editing
  • Pull/push development times
  • Stand development support with hour-based timing
  • Apple Watch app
  • Syncing between iPhone and iPad
  • Fahrenheit temperature option
  • Additional common film stocks (Portra, Fuji 400H, Ektar)
  • Ability to add films not in database to custom times

Silverlog Timer

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Massive Dev Chart Timer

No in-app purchases

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 Massive Dev Chart Timer free?
Massive Dev Chart Timer costs $9.99, with no in-app purchases.
Is Silverlog Timer free?
Silverlog Timer is free to download, with in-app purchases available.
Do Massive Dev Chart Timer or Silverlog Timer have ads?
Neither Massive Dev Chart Timer nor Silverlog Timer shows ads.
Which is updated more often, Massive Dev Chart Timer or Silverlog Timer?
Massive Dev Chart Timer ships an update every 5 months, and Silverlog Timer weekly. Most recently, Massive Dev Chart Timer was updated on October 29, 2026 and Silverlog Timer on October 28, 2026.

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