KujiraTimer

Kujira means "whale" in Japanese.  KujiraTimer is a simple and easy-to-use time tracking app that records time for your activities. For example, learning, exercise, reading, etc.

When you want to start learning, just press the start button on the screen  without specifying what subject to start. After finishing the learning, specify that subject and save it. 
Then, while waiting for a cup ramen with an alarm timer at a break time, you will check the achievement status of this week. You can do such a usage.

- Time Tracking
  + Just press the start button. Then specify activity after finishing timer
  + pause
  + dayly/weekly/monthly/yearly summary graph

- Alarm Timer
  + Quick start. It is a simple kitchen timer