Age calculator - AgeSphere

AgeSphere is a private age calculator and date calculator for exact age, birthdays, life milestones, pet age, and days between dates.

Enter a date of birth once and see your exact age update in real time across years, months, days, weeks, hours, minutes, and seconds. Track days lived, your next birthday, upcoming milestones, birth moon details, planetary ages, and useful estimated life statistics in a clean Android experience.

What you can do with AgeSphere:
- Calculate exact age from date of birth
- See age in years, months, days, weeks, hours, minutes, and seconds
- Track days until your next birthday
- Save multiple local profiles for yourself, family, friends, or pets
- Compare ages between two people
- Convert pet ages for dogs, cats, rabbits, birds, horses, fish, turtles, and more
- View birthday milestones and share milestone cards
- Export milestone events as calendar files
- Explore birth moon, zodiac, generation, famous birthdays, historical events, and planetary ages
- Customize date format, life expectancy baseline, and visible stats

Private by design:
AgeSphere works offline for its core calculations. There is no account, no login, no ads, and no tracking. Your profiles, birth dates, notes, settings, and badges are stored locally on your device. Sharing is optional and only happens when you choose to share an age card or calendar file.

AgeSphere is useful when you want:
- an exact age calculator
- a date of birth calculator
- a DOB calculator
- a birthday countdown
- a days lived counter
- a date difference calculator
- a pet age calculator
- a dog age calculator
- a cat age calculator
- an age comparison tool
- a private milestone tracker

Age is more than a number. AgeSphere makes it clear, accurate, and meaningful.