DevProCo – Film Dev Timer
Analog Photography
Free · In-App Purchases · Designed for iPad. Not verified for macOS.
The precise development timer for analog photographers: guided sessions, spoken announcements and agitation reminders for B&W, C-41, E-6 and RA-4.
DevProCo is a precise development process timer for analog photographers — whether you're developing B&W film, color negative (C-41), slide film (E-6), or darkroom prints (RA-4).
FEATURES
• Guided step-by-step development sessions with automatic agitation reminders
• Text-to-speech announces each step and agitation — keep your hands in the tank
• Automatic chemistry volume and dilution calculator
• Built-in process library with pre-configured recipes (Rodinal, DD-X, C-41, RA-4)
• Create and save your own custom processes
• Share processes with other DevProCo users via QR code
• Screen stays on during active sessions
• Supports English, German, Spanish and French
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
- Bug fixes and improvements
The developer, Christoph Kretschmer, 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 Linked to You
The following data may be collected and linked to your identity:
- Purchases
- Contact Info
- User Content
- Identifiers
- Usage Data
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Christoph Kretschmer
- Size
- 51.1 MB
- Category
- Photo & Video
- Compatibility
Requires iOS 16.0 or later.
- iPhone
Requires iOS 16.0 or later. - iPad
Requires iPadOS 16.0 or later. - Mac
Requires macOS 13.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- In-App Purchases
Yes
- Premium AED 14.99
- Copyright
- © 2026 SynthScript Inh. Christoph Kretschmer