In different cultures, age is calculated in different ways and the How Old am I app will easily calculate your age in year, month, week, day, hours, minutes, seconds, and event in milliseconds. You can count how many months and days are left for your next birthday. It saves your anniversary date and shows a notification on the day of the anniversary. How old am I app can also add reminders for friends, family birthdays, special days, event days, and other important purposes?