Darkroom Toolkit vs DevelopFilm

Process film and print in the darkroom, without the math. Darkroom Toolkit is a reference library and set of utilities for film processing and darkroom printing. Browse hundreds of photochemistry formulas, run step-by-step development timers with official manufacturer dev times, and handle common calculations – all in one app. WHY DARKROOM TOOLKIT? • One app instead of separate dev chart, formula, and printing calculator apps • Primary features are free: all darkroom chemistry formulas, official processes, and calculators included • Lifetime Pro unlock for saving favorites, custom workflows, and to support the project FILM DEVELOPING • Pre-configured timers for manufacturer-recommended film + developer combinations • Multi-step processing with optional audio alerts • iOS Live Activity: see your timer on the lock screen • Low light / safelight theme for working in the dark FORMULAS & CHEMISTRY • Extensive darkroom cookbook: developers, toners, lith, alt process, and more • Enter your target volume and every ingredient amount scales automatically • Dilution and solution strength conversion utilities DARKROOM PRINTING • f-Stop printing calculator: exposure sequences and test strip times • Print resizing calculator: new exposure times when changing print size PRO FEATURES (one-time purchase) • Save favorite processes and formulas • Create and edit custom recipes and processing timers • Sync your workflows across devices Whether you're developing your first roll of black and white film, mixing chemistry for cyanotype, or dialing in enlarger exposures, Darkroom Toolkit keeps you consistent. Download free. Upgrade once, yours forever.

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