DevProCo – Film Dev Timer
Christoph Kretschmer Photo & Video iPhoneiPadiPod touch
DevProCo – Film Dev Timer is a free Photo & Video app for iPhone and iPad by Christoph Kretschmer. Requires iOS 16.0. Updated October 26, 2026.
- Price
- Free
- on the App Store
- Size
- 49 MB
- Age 4+
- Updated
- Oct 26
- 2026 · v2.0.1
Screenshots
About DevProCo – Film Dev Timer
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
What’s new
Version 2.0.1 · Updated October 26, 2026
- Bug fixes and improvements
App privacy
The developer, Christoph Kretschmer, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Identifiers: User ID, Device ID
- Usage Data: Product Interaction
- Diagnostics: Crash Data, Performance Data, Other Diagnostic Data
- Purchases: Purchase History
- Contact Info: Email Address, Name
- User Content: Photos or Videos, Other User Content
Used for: Analytics, Product Personalization, App Functionality
Alternatives to DevProCo – Film Dev Timer
Looking for apps like DevProCo – Film Dev Timer? Here are 6 similar apps on the App Store. The highest rated is Agitate: Film Dev Timer (5.0/5), and all 6 are free to download.
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Darkroom Timer: Film Develop
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ColorDev Timer
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Agitate: Film Dev Timer
5.0
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Grain Film Toolkit
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FilmDev: Darkroom Timer
4.0
-
Film Development Assistant
5.0
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| DevProCo – Film Dev Timer | – | Free | October 26, 2026 | |
| Darkroom Timer: Film Develop | – | Free | Oct 27, 2026 | Compare |
| ColorDev Timer | – | Free | Jul 22, 2026 | Compare |
| Agitate: Film Dev Timer | 5.0 / 5 (3) | Free | Oct 12, 2026 | Compare |
| Grain Film Toolkit | – | Free | Jul 6, 2026 | Compare |
| FilmDev: Darkroom Timer | 4.0 / 5 (1) | Free | Aug 24, 2026 | Compare |
| Film Development Assistant | 5.0 / 5 (3) | Free | Aug 6, 2026 | Compare |