Rebuild yourself,
one plank a day.
A habit tracker built on a 2,000-year-old thought experiment. Keep your habits, and watch your ship rebuilt — plank by plank — until you have to ask the old question yourself.
Download on the App StoreAthens kept the ship of Theseus for centuries, replacing each plank as it rotted — until not one original board remained. Was it still the same ship?
You are also a ship.
Every perfect day lays a plank
Keep the day’s habits and a new plank slots into the hull. Miss a day and nothing is lost — the ship never rots, she waits. Set habits to any weekdays you like.
Twelve timbers, twelve changes
Beyond daily habits, lay up to seven ships of twelve timbers — the bigger things you mean to change, improve, or start, each with a goal, a log, and progress.
An ancient question, in seven pieces
Tap the ship to hear the myth of Theseus told across her timbers — a gentle introduction, and a small piece of philosophy to carry.
Every ship you finish, kept
Completed ships rest at anchor with their names, their dates, and what you wrote along the way. Streaks become stories.
One app, everywhere you are
On iPhone and iPad, with widgets · a calm window on your Mac · and on Apple Vision Pro, raise your ship as a volume in your room and keep the Night Watch under a starlit sea.
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