TimeTimer

TimeTimer is a full-screen timer app that lets you see the remaining time at a glance by displaying the area of ​​a red sector.
Set the time by tracing the circumference like a knob, and quickly start, stop, and reset with the round button on the right.

Key Features
Intuitive Time Setting: Trace the circumference to set minutes from 0 to 60.
Visible Remaining Time: The red sector decreases as time passes (visually).
Minute Signal: A beep and short vibration at the moment the minute changes (during setting/counting).
End Notification: A notification (sound/vibration) and a flashing "00:00" (press the Stop button to stop the flashing) are heard when the timer ends.
Easy-to-See Pause: The sector is dimmed when paused.
Clock Display: An analog clock is always displayed on the left side of the screen.
Screen Sleep Prevention: The screen will not turn off while using the timer (Immersive Mode display).

How to Use
Traverse the circumference in the center of the screen with your finger to set the number of minutes.
Use the round button on the right to ▶ Start / ■ Stop / ↺ Reset.
The sector will not return to its original position after the timer has finished. ↺ Reset to return to the settings.

Useful for:
Studying, reading, and working (Pomodoro, concentration timer)
Cooking, exercising, stretching, and other situations where you want to keep track of the remaining time
Meeting and presentation time management (knowing the remaining time at a glance)

Note:
This app is designed for timer purposes, so account registration is not required.
Volume and vibration sensitivity may vary depending on your device settings.