Comparison

DevelopFilm 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

DevelopFilm

This app is a pocket darkroom companion for black-and-white film development. It offers official developing times, a smart timer with agitation guidance, and full process control. Track your film details and parameters in a built-in journal to refine your workflow and achieve consistent results.

Highlights
  • Official developing times database
  • Smart timer with agitation guidance
  • Full process control adjustments
  • Built-in film roll journal
  • Quick custom timer
  • Darkroom-ready minimal interface
Features
Read full description

Your pocket darkroom for black-and-white film. DevelopFilm is a complete darkroom companion designed to help you develop film with confidence — whether it’s your first roll or your hundredth. Official developing times: Access precise data from manufacturer datasheets for Adox, Bergger, Foma, Fujifilm, Ilford, Kentmere, Kodak, Rollei, and more. The library is continuously expanding. Smart timer with agitation guidance: Run a clean dual-phase timer for developing and fixing, with built-in agitation reminders and visual alerts. Full process control: Adjust by temperature, developer reuse, push/pull stops, processing vessel, fixer, stop bath, toners, and more — everything that affects your final look. Built-in journal: Keep track of every roll. Save your film details, developing parameters, notes, and photos so you can repeat your best results or refine your workflow. Quick Timer: Need flexibility? Set a custom time and start developing instantly. Darkroom-ready design: A minimal, dark-mode interface that stays readable under safe lights and keeps you focused on the process. Whether you’re new to film developing or refining your craft, DevelopFilm helps you stay consistent, learn faster, and enjoy every step of the process. Upgrade to Darkroom Pass to unlock pro features like push/pull adjustments, fixer timer, and photo journaling. Terms of Use: mirnijatom.github.io/terms.html Privacy Policy: mirnijatom.github.io/privacy.html

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

DevelopFilm4 screens
Silverlog Timer4 screens

Verdict

The call

The clearest difference is iOS requirement: Silverlog Timer at 16.4 against DevelopFilm's 26.0. 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. DevelopFilm sells 3 in-app purchases, starting at $2.99 per month and Silverlog Timer sells 5 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

DevelopFilm ships an update every 11 days, Silverlog Timer weekly. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

Scorecard1 real difference · 9 level
DevelopFilm versus Silverlog Timer: the parameters behind the verdict, then further details
ParameterDevelopFilmSilverlog Timer
PriceFreeFree
Rating5.0 (4 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings4 — better—
Update frequencyEvery 11 daysWeekly — better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemium—
DevicesiPhone, iPadiPhone, iPad
Requires iOS26.016.4 — better
Further details — not scored
Size24 MB41 MB
Age rating4+4+
DeveloperAleksandrs BertulisSimon Westgate

In-app purchases

3 purchases

DevelopFilm

Subscriptions2
  • Darkroom Pass Monthly7 Days trial$2.991 Month
  • Darkroom Pass Yearly7 Days trial$17.991 Year
One-time1
  • Lifetime Pro$34.99
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 DevelopFilm free?
DevelopFilm 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 DevelopFilm or Silverlog Timer have ads?
Neither DevelopFilm nor Silverlog Timer shows ads.
Which is updated more often, DevelopFilm or Silverlog Timer?
DevelopFilm ships an update every 11 days, and Silverlog Timer weekly. Most recently, DevelopFilm was updated on October 24, 2026 and Silverlog Timer on October 28, 2026.

Other comparisons