ColorDiaryApp

One color a day mood diary

Only for iPhone

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

iPhone

・ Minimal daily input ・ Visual mood tracking ・ Quick widget review of your latest colors ・ Local-only storage Not every day needs words. A color is enough. ColorDiary is a simple mood journal where you record your day with one color. Pick the color that matches how you feel, and save. Add a tiny note only when you want—up to 140 characters. Over time, your calendar turns into a colorful mosaic, making patterns easy to spot at a glance. Features ・ One color per day with a calendar overview ・ A color mosaic to reflect on past moods visually ・ Home screen widget (4x4) for quick recent-color checks ・ Share your 4x4 color image to social apps ・ Send a 4x4 image you found in social apps or Photos via the share sheet and compare it with your recent colors ・ Optional quick memo (up to 140 characters) ・ Edit or delete entries anytime ・ Export and import entries with a manual backup file ・ Daily reminder notifications (time adjustable, can be turned off) ・ In-app support option to help ongoing development Notification permission required. Privacy ・ No account required ・ Your data stays locally on your device (no cloud sync, no external sharing) ・ Backups are created only when you manually export a file to a location you choose ・ Exported JSON backups are not encrypted and include memos as plain text Version History ・ (1.4) Added entry export and import for manual backups ・ (1.3) You can delete a mistaken day from the edit screen and return it to unrecorded ・ (1.2) Added Simplified Chinese localization for the app, widget, and share extension ・ (1.1) Added 4x4 color image sharing and comparison with shared images

Ratings & Reviews

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(1.4) ・ You can now export and import your entries as a JSON backup file. ・ Before deleting the app or changing devices, you can save a manual backup outside ColorDiary. ・ Exported JSON backups are not encrypted and include memos as plain text, so please manage the saved file carefully.

Version 1.4

The developer, Daishin Ueyama, 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 based, for example, 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

    Provider
    • DAISHIN UEYAMA
    Size
    • 15.5 MB
    Category
    • Lifestyle
    Compatibility
    Requires iOS 26.0 or later.
    • iPhone
      Requires iOS 26.0 or later.
    • Mac
      Requires macOS 26.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 26.0 or later.
    Languages
    English and 2 more
    • English, Japanese, Simplified Chinese
    Age Rating
    4+
    In-App Purchases
    Yes
    Copyright
    • © 2026 Daishin Ueyama
  • Privacy Policy

    • More by Daishin Ueyama

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