"Did I lock the door when you left the house ...?"
"I should have confirmed it earlier, but I'm not confident ..."

"YOSSHI" is the application that supports those who have such anxiety.

About "YOSSHI"
1.Record confirmations using the checklist.
- Record the date and time of the check.
2.Automatic uncheck function.
- You can save the trouble of unchecking.
3.Accidental tap prevention function.
- Recommended for those who are worried about checking due to incorrect tapping.
4.Backup function.
- You can restore the data to another device.

Recommended for people like this
1.Those who have a lot of things left behind.
2.Those who are worried about locking when going out
3.Those who have a lot of things to check every day.