OneLine – Daily Diary

One line. Every day. Your story.

OneLine is the beautifully simple journal that helps you capture each day in a single sentence. No pressure, no long-form writing, just one meaningful line that captures your moment.

DAILY JOURNALING, SIMPLIFIED
- Write one line per day (up to 280 characters)
- Track your mood with five expressive moods
- Attach photos to preserve visual memories
- Daily writing prompts to spark inspiration

MISSED A DAY? WRITE IT ANYWAY
- Open any past day and fill it in later
- A day you forgot is never locked away
- Filling a gap puts your streak back together
- Free, because writing in your own diary should be

TRACK YOUR JOURNEY
- Build writing streaks and stay consistent
- See at a glance which days you journaled
- Tap any day to open it right from your stats
- See mood trends and patterns over time
- On This Day: rediscover entries from past years

YEAR IN REVIEW
- Beautiful, interactive annual summary
- Mood charts, writing activity graphs, and more
- Tap any chart for detailed insights
- Share your Year in Review as an image

YOUR DATA, YOUR PRIVACY
- Entries stay on your device and sync privately
- Export your journal anytime as PDF or text
- No ads, no tracking, no data collection
- Lock your journal with biometric authentication (Premium)

PREMIUM (One-time purchase, yours forever)
- Photo memories on every entry
- Biometric app lock
- Streak shield: covers one forgotten day a month
- Support independent development

Everything else stays free: unlimited entries, filling in days you missed, search, export, activity map, Year in Review, On This Day, mood tracking, stats and cloud sync.

Start your one-line-a-day habit today. It takes 30 seconds, but the memories last forever.

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Privacy Policy & Terms of Use:
https://merzkevin.de/privacy-OneLine.html