Privacy Policy

1. Introduction and Data Controller

Welcome to LinguaTrainer ("we", "our", or "us"). We are committed to protecting your personal information and your right to privacy. This Privacy Policy explains how we collect, use, and share information about you when you use our service at linguatrainer.app.

The data controller responsible for your personal data is:
Vasyl Rybalka (individual)
Świnoujście, Poland
Email: info@linguatrainer.app
Our full correspondence address is available upon request.

2. Information We Collect

We collect the following types of information:

• Account information: username, email address, and password when you register.
• Usage data: information about how you use our service, including practice sessions and progress.
• Payment information: payments are processed by Lemon Squeezy, our Merchant of Record. We do not store your card details; we receive only your subscription status and customer identifier.
• Technical data: IP address, browser type, and device information.

3. How We Use Your Information

We use your information to:

• Provide, maintain, and improve our services.
• Process payments and manage your subscription.
• Send important service notifications.
• Respond to your support requests.
• Comply with legal obligations.

4. Cookies

We use cookies and similar technologies to:

• Essential cookies: required for the service to function (login sessions, security).
• Preference cookies: remember your settings such as theme and language preference.
• Analytics cookies: help us understand how you use the service (only with your consent).

You can manage your cookie preferences at any time through the cookie banner on our website.

5. Data Sharing

We do not sell your personal data. We share your data only with:

• Lemon Squeezy (Lemon Squeezy LLC, USA): our Merchant of Record, for payment processing, billing, and tax compliance.
• Railway (Railway Corp., USA): our hosting provider.
• Legal authorities when required by law.

6. International Data Transfers

Some of our service providers listed above are located in the United States. Where personal data is transferred outside the European Economic Area, we rely on appropriate safeguards such as the EU Standard Contractual Clauses and, where applicable, the EU–U.S. Data Privacy Framework, to ensure your data receives an equivalent level of protection.

7. Your Rights (GDPR)

If you are in the European Union, you have the right to:

• Access your personal data.
• Correct inaccurate data.
• Request deletion of your data ("right to be forgotten").
• Object to processing of your data.
• Data portability.
• Withdraw consent at any time.
• Lodge a complaint with your local data protection authority.

To exercise any of these rights, please contact us at info@linguatrainer.app.

8. Data Retention

We retain your personal data for as long as your account is active or as needed to provide services. If you delete your account, we delete or anonymise your personal data within 30 days, except where we are legally required to retain it (for example, billing records retained for tax purposes).

9. Security

We implement appropriate technical and organisational measures to protect your data against unauthorised access, alteration, disclosure, or destruction. All data is transmitted over HTTPS.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by posting a notice on our website. Your continued use of the service after changes constitutes your acceptance of the updated policy.

11. Contact

If you have any questions about this Privacy Policy, please contact us at:
info@linguatrainer.app
Vasyl Rybalka, Świnoujście, Poland
linguatrainer.app