DevClock

Darkroom timer for film

Free · Designed for iPad. Not verified for macOS.

A calm, darkroom-friendly timer for black-and-white film development, with process steps, red mode, local alerts, and Live Activities. DevClock is a focused darkroom companion for black-and-white film work. Build quick timers, follow film development steps, and keep your process readable in low light. DevClock is designed for practical darkroom use: large controls, high-contrast timing screens, red mode, local notifications, haptics, and Live Activities for supported iOS devices. Key features: • Quick Timer for simple countdowns • Film and developer setup for black-and-white workflows • Guided process timing for develop, stop, fix, and wash steps • Red mode for darkroom-friendly viewing • Local notifications and haptic reminders • Live Activities for timer status on supported devices • Custom process plans • English, Simplified Chinese, Traditional Chinese, and Japanese interface options Important note: built-in development times are intended as useful starting points, not guaranteed processing instructions. Always confirm critical film, developer, temperature, and agitation choices against your own workflow and official manufacturer guidance. DevClock is local-first. It does not require an account, does not use analytics, does not include ads, and does not track you.

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The developer, 思圆 潘, 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.

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    Accessibility

    The developer has not yet indicated which accessibility features this app supports. Learn More

    Information

    Provider
    • 思圆 潘
    Size
    • 4.2 MB
    Category
    • Photo & Video
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    Languages
    English and 9 more
    • English, Esperanto, French, German, Japanese, Korean, Latin, Simplified Chinese, Spanish, Traditional Chinese
    Age Rating
    4+
    Copyright
    • © 2026 Siyuan Pan
  • Privacy Policy

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