iPhone / iPad
Countdown
A simple countdown timer app with a large full-screen display.
Supports repeat, alarm sounds, theme changes, and recent history.
Making apps that are easy to use
tsukutena develops apps that are easy to use casually and without hesitation in everyday life.
Available apps
iPhone / iPad
CountBoard
An app for organizing multiple counters on a board for quick and accurate counting.
Supports flexible layouts, Undo and Redo, history, and photo backgrounds.
Contact
Contact us about app issues or how to use an app.
Contact page →Donate and support development
This page is for people who would like to support independent development. A support method is being prepared.
Donation page →