Kyokun — Learn from Mistakes

Stop repeating mistakes

Only for iPhone

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

iPhone

Capture mistakes and insights in one line. Add +1 when they happen again, then keep the cause and next action for your future self. Kyokun is a private reflection app for turning mistakes, regrets, and small insights into practical lessons. You do not need to write a long diary every day. Start with one line when something catches your attention, then come back later to organize what happened, why it happened, and what you will do next. ■ See repeated mistakes clearly A lesson is not finished after you write it once. When the same thing happens again, add +1 to that lesson. The count makes it clear which patterns still need attention. ■ Reflect with three simple questions • What happened? • Why did it happen? • What will you do next? You can save only a title first, then add details whenever you are ready. ■ Remember what matters • Pin important lessons to the top • Search and filter past reflections • Add photos and voice notes for context • Sync with iCloud across your devices • Use widgets to keep a lesson on your Home Screen ■ Built for privacy Your lessons are personal. They are stored on your device and in your iCloud account. The content of your lessons is not sent to the developer's server. ■ Optional ad removal Kyokun is free to start. If you prefer a quieter experience, you can remove ads with a one-time purchase. Privacy Policy: https://kyokun99.netlify.app/privacy-policy.html Terms: https://kyokun99.netlify.app/terms.html Support: https://kyokun99.netlify.app/support.html

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v3.2 • Updated in-app localization for the standard 31 runtime languages • Unified the app and widgets with the new mountain-shadow washi design • Refreshed App Store screenshots and store copy for the latest design • Improved several layouts and stability details

Version 3.2

The developer, atsuko imai, 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
    • Usage Data

  • Data Linked to You

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

    • Purchases
    • Location
    • User Content
    • Identifiers
    • 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
atsuko imai
Size
12.3 MB
Category
Lifestyle
Compatibility
Requires iOS 26.2 or later.
  • iPhone
    Requires iOS 26.2 or later.
  • Mac
    Requires macOS 26.2 or later and a Mac with Apple M1 chip or later.
  • Apple Vision
    Requires visionOS 26.2 or later.
Languages
English and 30 more
  • English, Arabic, Croatian, Czech, Danish, Dutch, Filipino, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Portuguese, Romanian, Russian, Simplified Chinese, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
Age Rating
4+
In-App Purchases
Yes
Copyright
© 2026 Imaissan
  • Developer Website
  • Privacy Policy

    • More by atsuko imai

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