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DarkTimer 2 is the ultimate three-in-one timer tool for your film photography!
It will keep an organized collection of your film recipes and enlarger prints.
Timers for film developing, film enlarger split grade timer and paper developer sequential timers all in your pocket!

Film developing:

NEW: Import Film Developer Recipes from FilmDev.org

- Self film recipes database.
Keep your film development organized in your pocket in a beautiful interface.
- Customizable film details: Name, ASA, format, type, expiration date and notes.
Every film has it’s own character.
- Selectable film list included.
Easy to find film list.
- Customizable film.
Add your custom films.
- Support for color and slide film process types.
For your color developing recipes.
- Selectable film developers list included.
An extensive developers List.
- Customizable film developers.
Make your own developers and add to the existing list.
- Customizable solution details: time, temperature, volume, dilution, agitations, push/pull, stops.
Each solution has a timer and many configurations.
- Automatic dilution/volume calculation.
Choose the volume and developer dilution DarkTimer calculates the amount of water/developer for you.
- Pushing stops information
Calculates difference between film and developers ASA.
- Sliding timers
Easy to operate timers.
- Next agitation timer countdown.
Besides the main timer DarkTimer informs you the time left for the next agitation.
-Notification sounds during development.
All bleeps, beeps and ticks that will inform the status of operation.

Film enlarger:

- Self Enlargements database.
Keep your silver prints organized.
- Enlargements details: schematic, timers, filters, lens, enlarger, paper and notes
In Darkroom all details matters.
- Split Grade printing.
Enlarge better prints using 2 grade filters.
- Test Strip normal mode and in half-stops increments.
Test Strip timer will do half-stops increments for more precision.
- Filter and Burn Timers.
Two Filters for Filter and two more for Extra burning techniques.
- Seconds metronome.
Audible notifications for better control
- Enlargement schematic .
A Enlarger Schematic to review your print details.

Paper Timer:

- Sequential timer list for paper developer.
The timers will run in sequence, no need to switch timers.
- Automatic start between timers.
Control which timers you want to start automatically.

What's New

Version 1.3

-Updated FilmDev import from 4 to 5 Digits recipes.

Ratings and Reviews

Beautiful interface, lacks some features

nsiab xv

I like this app a lot, but it doesn't let you change the amount of developer solution for each roll. I don't always develop the same number of rolls or use the same tank, so this feature is important to me. Having to go back and edit the recipe is many unnecessary steps and opens the possibility of changing development times.

Also, when editing a recipe, having to re-select a developer just to change agitation or development time is another unnecessary step.

Overall a great app, but those two things are hiccups in the workflow. If those two things were fixed it would be a five-star app for sure.

The best film timer


I have been testing out multiple timers and this is by far the best. This is the first app I have ever paid for and it is already paid for itself. When it comes to developing film and printing consistency is key, and being able to keep chemical data is crucial.

Best dev timer I've used


This is very simple to use, great UI, and the recipe building process is fast. My only gripe is that there's no way (unless I'm missing it) to export or share recipes with other users, like another timer app can.


Paulo Bruckmann
2.9 MB
Photo & Video
Requires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch.
Age Rating
You must be at least 17 years old to download this app.
Unrestricted Web Access
© Paulo Bruckmann


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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