Privacy Policy
Last updated: May 2026
Lingutube is operated by an individual (sole trader). This policy explains what data the service collects and how it is used.
1. No account required
Lingutube does not require you to create an account or sign in. We do not collect your name, email address, or any personal identifying information.
2. Local storage
The app stores your heart count and the date of your last reset in your browser's local storage. This data never leaves your device and is not transmitted to our servers.
3. Advertising
Lingutube uses Google AdSense to display ads. Google may use cookies and similar technologies to show personalised ads based on your browsing activity. This is governed by Google's Privacy Policy. You can opt out of personalised ads at adssettings.google.com.
4. Cookies
Lingutube itself does not set any cookies. Google AdSense may set cookies for ad personalisation and measurement.
5. Server logs
Our hosting provider (Railway) may log standard web server data such as IP addresses and request timestamps for security and operational purposes. We do not use this data to identify individual users.
6. Children
Lingutube is not directed at children under 13. We do not knowingly collect data from children under 13.
7. Changes to this policy
We may update this policy from time to time. The "Last updated" date at the top will reflect any changes.
8. Contact
For any questions, contact us at support@lingutube.com.
See also: Terms of Service