About Hitokoto

Hitokoto is an app designed for writing just one line of diary every day. No need for long essays — simply capture your day's events or feelings in up to 100 characters.

With its simple interface and features like mood stamps, photo attachments, calendar view, and more, Hitokoto makes it easy and enjoyable to keep a daily diary.

Key Features

One-Line Diary

Record one entry per day, up to 100 characters. You can edit anytime. Simple enough to keep up every day.

Mood & Weather Stamps

Use emoji to easily record your mood and weather for the day. Keep your diary going even without writing.

Calendar View

Stamps appear on days you've written, allowing you to view and edit entries. See your recording status at a glance.

Timeline View

Browse by month in reverse chronological order. Experience a conversation with your past self.

Search

Filter past entries by keyword. Quickly find the diary entry you're looking for.

On This Day

Highlights past entries written on the same date. Naturally revisit cherished memories.

Statistics

View your current streak, longest streak, and total entries. Stay motivated to keep your diary going.

Reminder Notifications

Get a daily reminder at your chosen time to write today's entry. Toggle on/off and set your preferred time.

Photo Attachment

Attach one photo per day from your gallery or camera to your diary entry.

Home Widget

Display today's entry and your current streak on your home screen. Tap to open the app directly.

Backup & Restore

Export your diary and photos as a ZIP file to iCloud Drive, Google Drive, etc. Import to restore your data.

Important Information

Privacy Policy

Detailed explanation of how Hitokoto handles your information and protects your privacy.

Read Privacy Policy

Terms of Service

Terms and conditions for using Hitokoto, including user responsibilities and app functionality.

Read Terms of Service

Target Users

Hitokoto is perfect for:

  • Diary Beginners - Even if long writing isn't your thing, one line is easy to start
  • Busy People - Takes just seconds to write, making daily recording a habit
  • Those Who Value Reflection - Gain insights from your past one-liners
  • Those Seeking Consistency - Statistics help motivate your streak
  • Minimalists - A distraction-free app focused on writing

System Requirements

  • iOS 16.0 or later / Android 8.0 or later
  • Camera & Photo Library access (for photo attachment feature)
  • Notification permission (for reminder feature)