DevLog Darkroom vs FilmDev

DevLog is the all-in-one companion for film photographers who develop at home. Track every roll through its entire lifecycle, save the exact development recipe you used, log each frame's exposure data, and review your shooting and developing stats — all in one focused, offline app. From loading a fresh roll into your camera to archiving the final scans, DevLog keeps your analog workflow organized and repeatable. KEY FEATURES • Roll Lifecycle Timeline — Follow each roll through seven stages: loaded, shooting, shot, developing, developed, scanning, and archived, each with its own timestamp. • Development Recipes — Save your developer, dilution, temperature, time, agitation method, stop bath, fixer, wash, and a personal rating for every roll so you can reproduce your best results. • Frame Log — Record shutter speed, aperture, subject, and location for individual frames, so you never forget the shot. • Built-in Presets — Choose from a curated library of popular film stocks, developers, cameras, and lenses to fill in details fast. • Statistics — See your total rolls, rolls in progress, archived rolls, average development time, most-used film and developer, and a breakdown by film type. • 100% Offline & Private — No account, no network, no tracking. Everything stays on your device. Keep your darkroom knowledge in one place, roll after roll.

FilmDev is a darkroom-safe multi-stage timer built for home film developers — B&W and C-41, push/pull, and beyond. ■ Multi-stage auto-advance timer Set up develop, stop, fix and wash stages once. FilmDev counts each stage down and auto-advances to the next — no fumbling for a stopwatch in the dark. ■ True darkroom-safe screen Running timer screen is pure black with a deep red display only — no white pixels, no accidental flash. Fullscreen immersive, safe for your eyes and your film. ■ Haptic + beep agitation cues Feel and hear when it's time to agitate — configurable haptic pulses and beep cues so you don't need to watch the screen. ■ Wall-clock accurate, even backgrounded Timing is based on real elapsed time, not a fragile in-app counter — lock your phone or switch apps and the timer stays accurate when you come back. ■ Temperature compensation Adjust develop time for your actual chemistry temperature using a standard B&W time-temp factor. A guide, not a guarantee — always verify against your own testing. ■ Your own recipe library Build and save your own recipes — film stock, developer, dilution, temperature, and every stage. Starter recipes are included from manufacturer datasheets, clearly marked "verify before use." Your recipes, your times. ■ Develop log Log every roll you develop — recipe used, film, developer, notes and a rating — so you can track what worked. ■ FilmDev Pro (one-time purchase) Unlock unlimited recipes, remove ads, and export/import your recipe library as JSON. One-time purchase, no subscription. ■ 8 languages, private by design No account, no cloud. Everything — recipes and logs — stays on your device.