A free app for Android, by sdgcode.

This app will calculate your age in years, months, days, hours, minutes, and seconds. It also calculates the remaining time until your next birthday or your other family members’ next birthdays.

If you want to know how old you are in years, months, days, hours, minutes, and seconds, just enter the two dates in the calculator. It will automatically calculate and display your exact age. If you want to see how old you are in terms of days, hours, minutes, and seconds, you can easily switch between the three views.

This app is very easy to use. Just enter the two dates, choose the calculation type, and the result will be displayed.