Privacy Policy

Effective: August 4, 2026

Attention Checker is a mobile and web application that provides attention assessment tools. Our website is https://attentioncheckup.com. For privacy questions, contact us at: privacy@attentioncheckup.com

When you use the app or website:

  • Your email address (used to send a one-time login code)
  • Your name (if you choose to provide it in your profile)
  • Test results from attention assessments you complete
  • Purchase history if you buy sessions

Automatically collected:

  • Basic usage data and device information
  • IP address for security and spam prevention
  • To send you a one-time login code via email
  • To store and display your test results
  • To process payments for sessions
  • To improve the app and diagnose technical issues

We do not sell your data. We do not use your data for advertising.

Payments are processed by Stripe. We do not store your credit card information. Stripe's privacy policy is available at stripe.com/privacy.

We send transactional emails only (login codes, purchase confirmations). We do not send marketing emails unless you opt in.

We retain your account, test results, and purchase history for as long as your account is active. You may request deletion at any time.

You can request to view, export, or delete your personal data by contacting us at privacy@attentioncheckup.com. We will respond within 30 days.

Our website uses essential cookies only. We do not use advertising or tracking cookies.

We use the following third-party services that may process your data:

  • Stripe — payment processing (stripe.com/privacy)
  • MailerSend — transactional email delivery
  • Railway — cloud hosting

This app may be used by children under the age of 13 only with verifiable parental consent and under parental supervision. We do not knowingly collect personal information from children under 13 without parental consent. If you believe your child has provided us with personal information without your consent, please contact us at privacy@attentioncheckup.com and we will promptly delete it.

We may update this policy. The effective date at the top will reflect the most recent version.