Silverlog Mix vs FilmDev

Silverlog Mix calculates the exact amounts of stock solution and water needed to mix black and white film developer at its published dilutions. HOW IT WORKS Choose one of 12 black and white developers, pick one of its published dilutions, set your target total volume, and instantly see how much stock concentrate and water to measure out. FEATURES • 12 black and white developers, including Rodinal, HC-110, XTOL, D-76, ID-11 and Ilfotec DD-X • Each developer's published dilutions (1+1, 1+4, 1+9, 1+25, 1+31, 1+50, 1+100 and more) • Adjustable target volume • Millilitres or US fluid ounces • Save recipes and load them back with a tap • Works offline — no internet connection needed • Clean, focused interface • Dark mode support • Red safelight display mode for the darkroom USEFUL FOR • Mixing film developers (Rodinal, HC-110, XTOL, D-76, etc.) • Getting one-shot developer dilutions right without mental arithmetic • Avoiding waste by mixing only what you need Part of the Silverlog photography toolkit. No account required. No data collected.

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.