Three Cells application logo

Find the Pattern Behind Your Good Days

Three Cells puts your habits, mood, notes, tasks, and metrics in one daily check-in so you can see what actually helps you follow through.

Built for messy days, not perfect routines.

Rated 4.5 stars on App Store (6,000+ downloads)

See Three Cells in action

A quick look at the daily check-in that turns scattered effort into a pattern you can see.

Habit streaks and progress
Notebooks for your ideas
Your daily journal
Your year at a glance
Metric trends and insights

See proof you followed through

Turn your daily habit check-ins into a full-year consistency heatmap. Every square is visible proof that change is actually happening.

Full-width yearly heatmap showing visible proof of daily habit consistency

Spotify Wrapped, but for your life

Review your year in seconds. Spot your best-day patterns, see what supported your consistency, and understand what actually made life better.

2025 OVERVIEW
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A few words from the other side of the screen

Little app.
Lovely company.

I've tried everything. Notion for journaling, Todoist for tasks, random habit apps.

Finally. An app that doesn't try to do everything.

This is the first app that's minimal and has everything I need to build my dream life. I actually use it every day.

Clean design, works perfectly, does exactly what it promises. I'm genuinely happy I found this.

Featured on Twelve Tools