RelativeAge

Privacy policy

RelativeAge · Last updated: 22 October 2026.

RelativeAge only keeps what it needs to work out your age. There are no ads and we don't sell or share your data.

Data controller

Relative Developers, a project by Alexei Barberà Roca. Contact: relativedevelopers@gmail.com.

What data we keep

  • Your email and password, handled by Firebase Authentication. We never see your password.
  • Your name and your date and time of birth, which are stored in Firebase.

What we use it for

To make the app work (working out your age and keeping your data when you switch devices) and to improve it using aggregated data. There are no ads, we don't sell your data and we don't share it with third parties.

Analytics

RelativeAge uses Google Analytics for Firebase, which collects technical and usage data: device, language, approximate country, installation ID and screens visited.

Where it is stored

In Firebase, acting as data processor, in the European Union (eur3). Each user can only access their own data.

Legal basis

Performance of the service you request when you create your account.

How long we keep it

For as long as you have an account. When you delete it, your data is erased within 30 days at most.

Your rights

You can request access to, rectification, erasure and portability of your data, or object to its processing, by writing to relativedevelopers@gmail.com. You can also lodge a complaint with the Spanish Data Protection Agency (aepd.es).

Children

RelativeAge is not intended for children under 14.

The demo on this website

The demo on the home page (time lived, Chinese age, animal kingdom and Solar System) runs only in your browser: the date and time you enter are not sent or stored.

This policy is part of the Relative Developers privacy policy.