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.
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.
- Offline film development chart
- Multi-step timer with sound notifications
- Customizable agitation schemes
- Darkroom themes
- Dilution mixer
- Automated time/temperature compensation
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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
Silverlog Timer
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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
Verdict
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
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.
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.
| Parameter | Massive Dev Chart Timer | Silverlog Timer |
|---|---|---|
| Price | $9.99 | Free — better |
| Rating | 3.7 (55 ratings) — better | — |
| Positive reviews | 70.8% of reviews | — |
| Number of ratings | 55 — better | — |
| Update frequency | Every 5 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Best chart rank | #67 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.4 |
| Further details — not scored | ||
| Size | 14 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Freestyle Photo & Imaging | Simon 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
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- 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
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- 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
Massive Dev Chart Timer
No in-app purchases
Silverlog Timer
- Nice One$0.99
- Legend$2.99
- Absolute Hero$4.99
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- Guardian Angel$9.99
- Actual Saint$29.99
Questions
Is Massive Dev Chart Timer free?
Is Silverlog Timer free?
Do Massive Dev Chart Timer or Silverlog Timer have ads?
Which is updated more often, Massive Dev Chart Timer or Silverlog Timer?
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