Why don't you record your daily study time by using this app and aim for an average of over 6 minutes? At that point you are above average.

[How to use]
- First, enter the theme you want to study at the top of the screen.
- Tap the date you want to enter the time you studied, and you can enter the time on the screen after the transition.

For inquiries, please contact the review section or this DM.
https://twitter.com/corasck