with age calculator app, by entering correct date of birth (birthday), you can calculate exact age with all details, even in hours, minutes and seconds.with age calculator you can save friends and family members birthdays, anniversaries or other events and see the exact age of those events and keep track of them.age calculator app also lets you share the exact calculated age with others.this age calculator is a date calculator because there is an addition and subtraction page in this app. and also unlike similar apps which only get the date of birth and calculate between that date and current date, this app lets you choose both start date and end date.this app has other features like date converter, a page to save important event dates like your loved ones birthday and etc.