OneLine is a beautifully simple daily journal. Write one line, track your mood, build streaks, and watch your personal story grow over time.
Good Afternoon
Wednesday, Mar 19
How are you feeling?
Today's entry
Had a great morning walk. The cherry blossoms are blooming and everything feels fresh.
On This Day
Started learning to cook, made pasta from scratch for the first time.
First day at the new job. Nervous but excited.
Most journals feel like homework. OneLine removes the pressure and makes writing a daily habit that sticks.
Blank Page Anxiety
Staring at an empty page, not knowing what to write
Too Time-Consuming
Long entries feel like a chore after a few days
Guilt When You Skip
Missing one day makes you abandon the whole habit
Just One Line
280 characters max. Capture the essence of your day in seconds
Streaks Keep You Going
Watch your streak grow and stay motivated every day
No Pressure, Ever
Missed a day? Write about it later. Streak Shield has your back.
Simple daily writing meets powerful insights
Write up to 280 characters each day. Just enough to capture what matters, without the overwhelm of a blank page.
Example entry:
"First day at the new job. Everyone was welcoming. Had lunch on the rooftop. This might be exactly what I needed."
Tag each entry with one of 5 moods. Over time, see patterns in how you feel and what influences your well-being.
Your mood palette:
Beautiful charts and insights about your year. See your mood trends, longest streaks, most active months, and On This Day memories.
Insights include:
Zero data collection. Your entries stay on your device and your private cloud sync. Export to PDF or text anytime. Your data, your rules.
Privacy promises:
✓ No analytics or tracking
✓ No ads, ever
✓ Biometric lock (Premium)
✓ Export as PDF or text
Build a daily writing habit with visual streak tracking and personal records.
See your writing activity at a glance with a beautiful year-long heatmap visualization.
Add photos to your entries to capture the visual moments of your day. Premium feature.
Missed a day? Streak Shield protects your writing streak. Because life happens. Premium feature.
Your journal syncs privately across your devices. Your data stays in your personal cloud.
Find past entries instantly. Your journal is fully searchable from your device's search.
Yes! The core experience is completely free. Write daily entries, track your mood, build streaks, view your contribution heatmap, and enjoy Year in Review without paying anything. An optional one-time Premium upgrade unlocks extra features like photo attachments, biometric lock, and streak shield.
Absolutely. OneLine collects zero data. Your journal entries stay on your device and in your private cloud sync. There are no analytics, no tracking, and no ads. Your thoughts belong to you and only you.
Year in Review gives you beautiful charts and insights about your journaling year. See your mood trends over time, your longest writing streaks, most active months, and On This Day memories from previous years. It transforms a year of daily lines into a meaningful story.
Yes. You can export your entire journal as a PDF or plain text file at any time. Your data belongs to you, and you can take it wherever you want.
No pressure at all! OneLine is designed to be gentle. You can always write about previous days. Premium users also get a Streak Shield that protects your writing streak when life gets busy.
Premium is a one-time purchase (no subscription!) that unlocks photo attachments for entries, biometric lock for privacy, and streak shield to protect your writing streak. The core journaling experience remains free forever.
Download OneLine for free and build a journaling habit that lasts. One line at a time.
Download Free on the App StoreFree to use • Optional one-time Premium upgrade
Free
Core Features
0
Data Collected
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Journal Entries