Mongle Diary: One-Line Journal

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Everyone
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Everyone
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About this app

Struggling to keep a diary because long entries feel like too much work? Mongle Diary lets you close out your day with just one line (up to 120 characters) and a single mood emoji. It takes under a minute, so the habit actually sticks.

★ Key Features

- Today's one-liner: Pick one of 8 mood emojis (joy, excitement, calm, tired, blue, annoyed, anxious, proud) and jot down your day in up to 120 characters.
- Home screen: A card that shows whether you've written today, a scrollable list of recent entries, and a streak badge to keep you motivated.
- Mood calendar: See your whole month at a glance with each day's mood emoji on the calendar grid. Tap an empty day to backfill a past entry.
- This day in the past: Revisit what you wrote 1 week, 1 month, and 1 year ago today — a built-in way to look back on who you were.
- Mood stats: A donut chart of this month's emotion distribution, your writing rate, and your longest streak.
- Edit or delete anytime: Open any date's entry to update or remove it.
- Korean/English support: Switch languages instantly from Settings.

★ Built for peace of mind

- No sign-up or login required — just open the app and start writing.
- Everything you write stays on your device only; nothing is uploaded to any server.

Write one honest line every night. A few months from now, that small habit becomes a record worth keeping.

Contact: yionblm@gmail.com
One line, one emoji, done. A tiny journal with mood calendar & past-today recall
Updated on
Aug 12, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    App activity, App info and performance, and Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

Mongle Diary launches! One-line + mood-emoji entries, mood calendar, this-day-in-the-past recall, and mood stats.
Content rating
Everyone
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App support

About the developer
진코아스튜디오
yionblm@gmail.com
대한민국 서울특별시 관악구 관악구 남현길 24-3, 1층 102호(남현동) 08805
+82 10-8365-4279

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