Comparison

Developer Box for Film vs Silverlog

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

Head to head
About

Developer Box for Film

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This app contains various tools and counters that are useful when developing black and white film. It can be used with most film developer tanks, some adjustments have made to make it fit with the Lab-box from ars-imago. Neither this tool nor the creator of it are affiliated with ars-imago or the Lab-box in anyway.

About

Silverlog

Features
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Silverlog is a comprehensive film photography logbook for iOS. Track your film rolls, development processes, darkroom printing, and create professional contact sheets. FILM ROLL MANAGEMENT Log rolls across 35mm, medium format, large format, and special formats. Record frame-by-frame aperture, shutter speed, lens and notes, plus location and weather for each roll. Save your own frame templates to speed up logging. DEVELOPMENT LOGGING Track your development sessions with chemistry details, times, temperatures, agitation techniques, and results. DARKROOM PRINTING Document your printing sessions with paper type, exposure settings, chemistry, and detailed notes for reproducing your best prints. PRO FEATURES - Spot metering, calibration and reading history for the built-in light meter (centre-weighted metering using your device camera is free) - Film stock presets for negative colour inversion (basic inversion is free) - PDF export with professional formatting - Cost analytics and advanced statistics - B&W contrast presets and manual colour adjustment for inverted negatives DATA & EXPORT - Full JSON backup and restore - CSV export for spreadsheets - Professional contact sheet PDFs (Pro) - Cloud backups you can restore on any device (requires a Silverlog Cloud subscription) Built for film photographers who care about their craft. Whether you shoot 35mm, medium format, or large format, Silverlog keeps your entire analogue workflow organised in one place. SUBSCRIPTIONS Silverlog Cloud and Cloud Unlimited are optional auto-renewing subscriptions, billed monthly or annually. Payment is charged to your Apple Account. A subscription renews automatically unless you cancel it at least 24 hours before the end of the current period. You can manage or cancel it in your Apple Account settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Service: https://silverlog.app/terms Privacy Policy: https://silverlog.app/privacy

Screenshots

Developer Box for Film4 screens
Silverlog4 screens

Verdict

The call

The clearest difference is update cadence: Silverlog at every 3 days against Developer Box for Film's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Developer Box for Film sells 1 one-off in-app purchase and Silverlog sells 5 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Developer Box for Film ships an update every 3 months, Silverlog every 3 days. The most recent releases landed on October 11, 2026 and October 20, 2026 respectively.

Scorecard1 real difference ยท 5 level
Developer Box for Film versus Silverlog: the parameters behind the verdict, then further details
ParameterDeveloper Box for FilmSilverlog
PriceFreeFree
Update frequencyEvery 3 monthsEvery 3 days โ€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.2 โ€” better16.4
Further details โ€” not scored
Size4 MB68 MB
Age rating4+4+
Developerzlent solutions ouSimon Westgate

In-app purchases

1 purchases

Developer Box for Film

One-time1
  • Donation$1.99
5 purchases

Silverlog

Subscriptions4
  • Cloud Monthly$2.991 Month
  • Cloud Unlimited Monthly$9.991 Month
  • Cloud Annual$24.991 Year
Show 1 more
  • Cloud Unlimited$79.991 Year
One-time1
  • SilverLog Pro$24.99

Questions

Is Developer Box for Film free?
Developer Box for Film is free to download, with in-app purchases available.
Is Silverlog free?
Silverlog is free to download, with in-app purchases available.
Do Developer Box for Film or Silverlog have ads?
Neither Developer Box for Film nor Silverlog shows ads.
Which is updated more often, Developer Box for Film or Silverlog?
Developer Box for Film ships an update every 3 months, and Silverlog every 3 days. Most recently, Developer Box for Film was updated on October 11, 2026 and Silverlog on October 20, 2026.

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