Age Calculator Offline App calculate your age with years, months, weeks, days, hours, minutes and seconds, then this is the best age calculator app offline and very user-friendly age calculator by date of birth for you. This age calculator app is the best fit for you and designed very easy. You can find your complete age in just one click. Age Calculator by face scanner first you have you select your birthday and then the date which you want to calculate your age and then click on calculate then