Cairn Milestones

Habit trackers keep score of what you missed. Cairn does the opposite.

You set down a stone for each thing you finish — an email sent, a call made, the dishes, a chapter read. Nothing is too small; that's the point. Week by week the stones stack into a cairn, and you get the thing your memory won't give you: proof.

• Tap once, type a line, set the stone down. A widget on your home screen and a tile in your quick settings lead straight to that one line. • Share a photo, a link or a note from any app and it becomes a stone. • A heatmap of the last six months — ninety days of it without Plus — your current and longest runs, and where your effort actually goes by category. • A quiet streak counter with a grace day built in: one missed day doesn't wipe it. • An optional checklist per list, with due dates. Tick something off and it turns straight into a stone on your cairn. • One daily reminder, at a time you pick, that you can switch off for a day or a week. • No ads, no engagement tricks. Works offline, English and German, and your whole list saves to a file you keep.

Free and staying free: as many stones as you like, the streak, the week strip, the whole task list, three looks including a dark one, and an export that is always complete.

Cairn Plus adds six things: more than one list; shared lists, with applause; photos and documents on a stone, up to ten files; your own categories; six more colour worlds; and your whole history.