Your process
Create your own recipes, just the way you like to develop.
Made for the darkroom
Your rhythm.
Every development.
Tanktime keeps your film process calm, clear and precise — from the first inversion to the final wash.
◉
Designed for photographers
who value the process.
Stay
in flow ↗
in flow ↗
FILM DEVELOPMENT TIMERIPHONE APP · 2026
01 — SIMPLE BY DESIGN
The darkroom already
asks enough
of your attention.
Tanktime remembers the steps, timings and agitation cues, so your hands are free for what matters: the image slowly coming to life.
Calm guidance
Quiet cues let you know exactly when it is time to act.
Free & private
Your data stays on your device: no account, cloud storage, analytics, subscriptions or hidden costs.
02 — PRECISE WHEN IT COUNTS
A quiet assistant
for every moment.
01→
Prepare
Set your steps before the lights go out.
02→
Develop
Follow time with clear, gentle guidance.
03→
Look back
A process that feels like your own, every time.
The best tools make room
for the craft.
Tanktime is not a timer that calls out louder.
It is a timer that moves with you.
READY FOR YOUR NEXT ROLL?
Take your time.
With Tanktime.
A calm timer for those who develop film with intention.
●Available throughTestFlight↗