Cairn

Every habit is a stone.
Build your cairn.

Not another habit tracker. An AI coach grounded in Atomic Habits that diagnoses your real obstacles and builds a system that actually sticks.

Start Free Diagnosis

Free for the first 5 turns · $14 to unlock your full plan

Deep diagnosis

15-minute AI conversation that uncovers your real obstacles, not just what you think they are.

Your habit system

A personalised card with cue, minimum action, habit stack anchor, and your two-minute fallback.

Weekly insight

Every Sunday: 3 data-driven observations about your week and a micro-adjustment if needed.

Based on the principles of "Atomic Habits" by James Clear