Privacy policy

We respect your privacy. This policy explains what data we (HowTall) process and why.

1. Controller

HowTall (contact details on the Contact page) is the controller of data processed on this site.

2. Scope of data

  • App inputs (height comparisons, BMI, centiles) are processed locally in your browser.
  • When you share a comparison, we store anonymized comparison data to generate a short link and basic statistics.
  • No personal data is required to use the site.

3. Analytics

We use Google Analytics 4 to understand aggregate usage. You can accept or reject analytics via the consent banner.

4. Cookies

Cookies may be used for analytics and basic functionality. You can control consent via the banner.

5. Data retention

Shared comparisons may be retained to enable the short link. We may periodically prune old or inactive entries.

6. Your rights

You may contact us to ask questions about this policy. Since we do not collect personal data by default, typical data subject requests may not apply.

7. Changes

This policy may be updated. We will post the latest version here.