Privacy Policy
Last updated: October 25, 2026
Summary
Sumipon has no account, no ads, no analytics and no tracking. It collects no data.
Your tasks
Your lists, tasks and stamps are stored only on your iPhone, in a container shared with Sumipon’s own widgets.
Wallpaper images
The wallpaper image is made on your iPhone and saved to Photos only when you tap Save Wallpaper. Sumipon asks to add photos; it cannot read your library.
Purchases
The Pro purchase is handled by Apple. Sumipon never sees your payment details.
Deleting your data
Deleting the app deletes all its data.
Children
Sumipon is not directed to children under 13.