Privacy Policy

Last updated: June 7, 2026

Athletic Progression LLC ("we," "us," or "our") operates the LingualShift mobile application (the "App"). This Privacy Policy explains how we collect, use, and protect your information when you use our App.

1. Information We Collect

Account Information: When you sign in with Apple, we receive a unique user identifier and, if you choose to share it, your name and email address.

Translation Data: Text you submit for translation is sent to Anthropic's Claude API for processing. We store your translation history in our secure database (Supabase) to provide the history and sync features.

Usage Data: We collect information about how you use the App, including translation count, selected languages, and subscription status.

Purchase Information: Subscription purchases are processed by Apple. We receive confirmation of your subscription status but never your payment details.

2. How We Use Your Information

3. Third-Party Services

Anthropic Claude API: Your translation text is sent to Anthropic for processing. Anthropic does not store your text or use it for model training per their API Terms of Service. See Anthropic's Privacy Policy.

Supabase: We use Supabase for authentication and database storage. Your data is stored securely with row-level security enforced. See Supabase's Privacy Policy.

Apple: Sign In with Apple and in-app purchases are handled by Apple. See Apple's Privacy Policy.

4. Data Retention

We retain your account data and translation history for as long as your account is active. You may delete your account and all associated data at any time through the Settings screen in the App. Deletion is permanent and cannot be undone.

5. Data Security

We implement industry-standard security measures including encrypted connections (HTTPS/TLS), row-level database security, and secure authentication via Apple Sign In. We never store payment information.

6. Children's Privacy

LingualShift is not directed to children under 13. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, please contact us immediately.

7. Your Rights

8. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of significant changes by updating the date at the top of this page. Continued use of the App after changes constitutes acceptance.

9. Contact Us

Athletic Progression LLC
athleticprogressionllc.business@yahoo.com
lingualshift.com