DevGlass

DevGlass brings developing data, timers and personal records together, from your first roll to a process you can repeat. Look up black-and-white developing data offline and time color processes with C-41 and E-6 templates. OFFLINE DEVELOPING DATA Browse 308 films, 189 developers and 11,837 recipes. Filter by 35mm, 120 or sheet film, then find reference times for your film, ISO, developer and dilution. Browse brands, search by name and save favorite recipes. A TIMER FOR YOUR PROCESS Enable the steps you need, set durations in minutes and seconds, save personal processes or reuse your last conditions. Keep steps and remaining time in view, wait between baths, adjust time during a run or use full-screen mode with a control lock. Restore an unfinished timer when you return, or clear it and start fresh. AGITATION AND REMINDERS Choose DevGlass Baseline, one-minute, half-minute, continuous or custom agitation settings, or turn reminders off. Use sound and haptic alerts, with optional spoken reminders while the app is in the foreground. Follow progress through Live Activities on the Lock Screen and Dynamic Island on supported devices. Reminder presets are kept separate from the recipe's documented conditions. C-41 AND E-6 Use timing templates for standard C-41, C-41 blix kits and E-6, with step, time and temperature references. Adapt the settings to your chemical kit's instructions. TIME AND DILUTION CALCULATIONS Estimate temperature compensation, apply rotary compensation or adjust time by a percentage, with optional reasons and notes. Calculate solution and water volumes from your dilution and required capacity. Choose common tank presets, enter a custom volume or consult the tank guide. LEARN FROM EACH ROLL Record film, developer, dilution, ISO, time, temperature, agitation and quantities. Review results, add observations, compare records and select a personal reference time from eligible sessions. Load favorites, personal processes or previous conditions into the timer. CHEMICAL MANAGEMENT Track solution form, opening or mixing dates, volume and your own reminder intervals. Link chemicals to process steps, then check the amounts used and returned before confirming a usage entry. STATISTICS, YEAR IN REVIEW AND BACKUP Explore session and film counts, film choices and developer use. Create a shareable year-in-review image, export records as CSV, and back up or restore your local data. MADE FOR THE DARKROOM Choose light, dark or red darkroom themes, with a clear timer display and screen brightness controls. Designed for iPhone and iPad. Use English, Simplified Chinese, Traditional Chinese, Japanese, German, French, Spanish or Korean, and switch without restarting. No account. No tracking. Your developing data stays on your device, and core features work offline.