3LINE Diary
Three lines are enough.
⭐ Google Play Featured App (2018 · 2019 · 2020)
A gentle space to pause, reflect, and stay present.
Life moves fast.
Days pass before we even realize it.
3LINE Diary helps you slow down —
just enough to capture what mattered today.
No pressure.
No long writing.
Just three lines.
✍️ Capture your day in three lines and one photo
3LINE Diary is a simple yet powerful journaling app
that helps you record your day with three lines of text and a single image.
Create multiple diaries to reflect different parts of your life —
your thoughts, relationships, goals, memories, and growth.
Keep your diary private,
or share it anonymously and connect with others through stories that feel real.
🤍 A community built on real stories
Read and connect with touching moments from people around the world.
Different lives. Different days. Shared humanity.
Discover honest, anonymous public diaries
Leave likes, comments, and bookmarks
Join themed communities and write together
Share thoughts on relationships, hobbies, books, K-pop, daily life, and more
Writing doesn’t have to be lonely.
Here, it’s something we do together.
👥 Shared diaries, shared moments
Write a diary with someone you love.
Partners
Friends
Family
Long-distance relationships
Record memories together.
Leave messages for each other.
Turn everyday moments into shared keepsakes.
💭 Why we believe in writing
At 3LINE Diary, we believe that
writing — and sharing — is an act of self-love.
Taking a moment to write about your day may seem small,
but it’s a way of saying:
“This moment mattered.”
“I mattered.”
Your words become a record of who you were —
for the future you.
🌱 Recommended for people who want to…
keep a simple record of thoughts and feelings
feel more gratitude in everyday life
reduce stress and anxiety
track goals and habits
preserve personal milestones
journal with friends or a partner
practice creative writing
find a writing community
🛠 Key features
Secure pin lock for private diaries
Save diary entries as images
Custom reminder notifications
Write entries for past dates
Write more than three lines whenever you want
🌍 Community features
Share diaries publicly while staying anonymous
Like, comment, and bookmark entries
Explore diverse lives through public diaries
Join interest-based writing communities
🤝 Shared Diaries
Write together with friends, family, or partners
Record meaningful moments side by side
Stay connected, even across distance
✨ 3LINE Diary FRIENDS Membership
Download your diaries as PDF books
Choose from thousands of images
Decorate entries with stickers
Express emotions with 다양한 fonts
Start writing today.
Three lines are enough.
About us
willim Inc. believes in building a world filled with sincerity.
Capture your life in three lines. Share your story with 3LINE Diary.
Business Name: willim Inc.
CEO: Bae Joonho
Company Registration Number: 341-81-00628
Latest Version
2.2.10Uploaded by
Exb Christian Canon
Requires Android
Android 6.0+
Category
Free Lifestyle AppContent Rating
Teen
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Flag as inappropriateLast updated on Sep 22, 2025
- Internal Improvement