How much time do I have left until the age I want to live?
If you set your birthday and age you want to live, you can see the remaining time and the time you have lived.
Motivate you to live life to the full!

* Main function
+ Set your birthday and age you want to live
+ Display remaining time in year, month, day, hour, minute, second
+ Shows the time you have lived in year, month, day, hour, minute, second
+ Home screen widget support (remaining time year, month, day)
+ Dark mode support