Koku - Focus Timer

Focus timer for deep work

Free · Designed for iPhone. Not verified for macOS.

Koku is a focus timer for deep work. Focus. Rest. Repeat. Set your own session lengths or use the classic rhythm - twenty-five minutes of focus, five minutes of rest, a longer break every four sessions. Each minute is a dot. Watch them fill. - No accounts. - No streaks. - No subscriptions. Just time, and the work in front of you. Add Koku to your Home Screen for quick access - start, pause, and skip sessions right from the widget. Keep the timer visible on your lock screen with Live Activities. Koku also includes an Apple Watch companion app that works with the iPhone app, so you can check your timer and control sessions from your wrist. Designed for iPhone, with an Apple Watch companion. Light and dark mode. Works in any language. Koku (刻) is the Japanese word for a moment of time.

Ratings & Reviews

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- Apple Watch companion app - control your timer from your wrist. Start, pause, skip, and reset without touching your phone. - Improved lock screen widget with a cleaner live display.

Version 1.2.1

The developer, Rodolfo Alberto Lopez Terriquez, 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.

    Privacy practices may vary, for example, based on the features you use or your age. Learn More

    Accessibility

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

    Information

    Seller
    • Rodolfo Alberto Lopez Terriquez
    Size
    • 3.3 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 26.4 or later.
    • iPhone
      Requires iOS 26.4 or later.
    • Mac
      Requires macOS 26.4 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.4 or later.
    • Apple Watch
      Requires watchOS 26.0 or later.
    Languages
    French and 6 more
    • French, German, Japanese, Korean, Portuguese, Simplified Chinese, Spanish
    Age Rating
    4+
    Copyright
    • © 2026 Rodolfo Terriquez
  • Developer Website
  • Privacy Policy