Osty: Diary & Routines

Productivity

Only for iPhone

Free · Designed for iPhone. Not verified for macOS.

iPhone

Osty: Diary & Routines is a local-first daily tracker that helps you capture the rhythm of your day in one calm place. Track notes, mood, activities, and to-dos without switching between multiple apps. Osty is designed to feel simple, private, and steady — your daily records stay on your device. WHAT YOU CAN DO • Write daily notes and attach photos • Track activities with custom emoji symbols and time ranges • Manage to-dos with priorities and quick completion • Log your mood from 11 options • Review your day, week, and month from one dashboard • Protect your data with app lock (PIN + Face ID) • Save local backups and export your data WHY OSTY • Local-first — no account, no cloud, no tracking • One home for notes, mood, tasks, and daily activities • Calm design built for repeat daily use • Fast input that fits into real routines • English and Korean support The current App Store build is free and does not include paid plans, subscriptions, or in-app purchases. Your records stay on your device unless you choose to back them up manually.

Ratings & Reviews

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Activity time entry is now more reliable, including times that start with 0 such as 0900. This update also removes seeded demo content, keeps restored todo reminders cleaner, and includes final stability refinements for daily notes, activities, todos, backup handling, search, and app lock settings.

Version 1.2

The developer, soohyun lee, 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
    • soohyun lee
    Size
    • 5.7 MB
    Category
    • Productivity
    Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later and a Mac with Apple M1 chip or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
    Languages
    • English
    Age Rating
    4+
    Copyright
    • © 2026 SoohyunLee
  • Privacy Policy