DarkroomFlow
Focus on film, not the math.
Free · Designed for iPad
Develop film with confidence! Manufacturer-accurate timing and agitation patterns for B&W and C-41. Beautiful interface. No ads. No subscriptions. Free forever.
Main Description
DarkroomFlow is a precision film development timer designed for analog photographers who develop their own black and white and color film. Whether you're processing Ilford HP5+, Kodak Tri-X, or C-41 color negatives, DarkroomFlow guides you through every step with manufacturer-accurate timing and agitation patterns.
ACCURATE TIMING
Built on data from the Massive Dev Chart and manufacturer specifications, DarkroomFlow provides precise development times for hundreds of film and developer combinations. Every agitation pattern follows official guidelines from Ilford, Kodak, and CineStill to ensure consistent, professional results.
STEP-BY-STEP GUIDANCE
The app walks you through the complete development process:
- Developer - with manufacturer-specific agitation patterns
- Stop Bath - continuous agitation for proper neutralization
- Fixer - industry-standard timing and intervals
- Final Wash - thorough film cleaning
VISUAL FEEDBACK
Watch your development tank rotate on screen with real-time agitation indicators. The animated tank shows exactly when to agitate, making it easy to stay on track even in a dark room.
GITATION PATTERNS
- B&W Films: 10 seconds initial, then 10 seconds every 60 seconds (Ilford standard)
- C-41 Color: 10 seconds continuous initial, then 4 inversions every 30 seconds
- Stop Bath: Continuous agitation throughout
- Customizable patterns for different techniques
KEY FEATURES
-Multiple temperature options (68°F, 70°F, 75°F, etc.)
-Dilution ratios (1+1, 1+4, stock, etc.)
-Pause and resume functionality
-Audio and visual agitation alerts
-Beautiful liquid glass interface
-Dark mode optimized for darkroom use
-No ads, no subscriptions
SUPPORTED FILMS
- Ilford HP5 Plus, FP4 Plus, Delta 100/400/3200
- Kodak Tri-X, T-Max, Plus-X
- Fuji Neopan, Acros
- Fomapan, Rollei, Kentmere
- All C-41 color negative films
- And many more...
SUPPORTED DEVELOPERS
- Ilford ID-11, Ilfosol, Microphen
- Kodak D-76, HC-110, T-Max
- Rodinal/R09
- CineStill CS41 (C-41)
- Tetenal Colortec (C-41)
- And dozens more...
PERFECT FOR
- Home darkroom enthusiasts
- Photography students
- Professional photographers
- Anyone developing their own film
LEGAL & SAFETY
DarkroomFlow provides guidelines based on manufacturer specifications. Always refer to official documentation for your specific chemistry. Film development results can vary based on chemistry age, temperature accuracy, and technique. Test with non-critical film first.
PRIVACY
DarkroomFlow does not collect any personal data. No account required. No tracking. Your development sessions stay on your device.
Start developing film with confidence. Download DarkroomFlow today.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
The developer, Ravi Palwe, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Ravi Palwe
- Size
- 24.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- Designed by Ravi Palwe. © 2026.