Byoyomi-kun Game Clock

Voice Timer · Shogi, Go, Chess

Free · In‑App Purchases · Designed for iPad. Not verified for macOS.

A clean, flexible game clock for Shogi, Go, Chess, and other board games. Time Controls: • Byoyomi – countdown system used in Shogi and Go • Sudden Death • Fischer Increment • Consideration Time Features: • Save custom presets for quick setup • Japanese voice countdown with 8 unique characters (Japanese audio only) • Clean, distraction-free interface

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Updated character icons and display names.

Version 1.0.1

The developer, Daisaku Inoue, 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 Used to Track You

    The following data may be used to track you across apps and websites owned by other companies:

    • Identifiers

  • Data Linked to You

    The following data may be collected and linked to your identity:

    • Identifiers

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

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
  • Daisaku Inoue
Size
  • 30.4 MB
Category
  • Board
Compatibility
Requires iOS 13.0 or later.
  • iPhone
    Requires iOS 13.0 or later.
  • iPad
    Requires iPadOS 13.0 or later.
  • iPod touch
    Requires iOS 13.0 or later.
  • Mac
    Requires macOS 11.0 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 1.0 or later.
Languages
  • English
Age Rating
4+
In-App Purchases
Yes
Copyright
  • © 2026 Lumithick Studio
  • Developer Website
  • Privacy Policy

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