- Please turn on "Always on" in "Screen Display and Brightness" in AppleWatch setting on iPhone side.
- Please turn on this app in "Show Apps" in the "Wrist Down" setting after "Always On" on the iPhone side as well.

- The application will terminate after the number of seconds set by pressing the 「スタート」button has elapsed.
- The number of elapsed seconds may not always be correct.
- The timer vibrates when the timer operation starts and when the timer operation ends. It also vibrates a little every second and a little louder every 10 seconds.
- The last 3 seconds of the timer does not vibrate.
- Please exit the application each time you operate the timer.
- The timer can also be set to vibrate for 10 seconds or 180 seconds by using the Digital Crown or the screen.
- Coded using TimelineView(), but implementation may not be complete. Therefore, if the screen is covered, the elapsed time may not reflect the correct passage of time.

- Overall, based on the above, avoid using it to determine the passage of important time.