1 pebble
How it grows
Every practice starts small.
One practice over its first month, with a pebble placed each day.
12 pebbles
Day 12
31 pebbles
Day 31
Try it here
Place a pebble.
This is the practice page from the app, running in your browser. Nothing you do here is saved.
- 01Tap Place a pebble. Every open face lights up.
- 02Tap a glowing face to set the pebble there. Drag to turn the sculpture.
Double-tap the island to get back to the starting view.
Read every day
3 pebbles
How it works
Small on purpose.
As many as you like
A pebble is one action. Do it three times today and place three.
An island each
Every habit grows on its own island, each with its own sculpture.
Stays on your phone
No account and no sign-up. Your practices live on your phone.
Built for years
A sculpture of 10,000 pebbles still runs smoothly.
Cairn
Build habits, one pebble at a time.
