Last Updated: 22 May 2025
1. Introduction
Codex4 ("we," "us," or "our"), based in Switzerland, provides vocabulary learning services ("Services"). By using our Services, you agree to this Privacy Policy. If you do not agree, please discontinue using our Services.
2. Data We Collect
Email Address: For account creation and service-related communication.
Payment Information: We use RevenueCat to manage our subscription services. RevenueCat processes payments through various providers including Stripe (for web payments) and Apple's App Store (for iOS in-app purchases). We do not directly collect or store your payment details. All payment processing is handled securely by these providers through RevenueCat's platform. We receive only necessary transaction information (such as subscription status and transaction IDs) to manage your subscription.
Learning Data: Words you add, texts you submit, content you view, your learning progress, and preferences. We use this data to personalize and improve our Services.
3. How We Use Your Data
We use your data to:
Provide and personalize the Services based on your activity.
Process your payments and manage your subscriptions through RevenueCat.
Improve our offerings and user experience.
4. Cookies
We may use cookies or similar technologies to remember settings and understand how you use our Services. You can adjust your browser settings to manage cookies.
5. Your Rights
You may request access, correction, or deletion of your personal data. To exercise these rights, contact [email protected].
6. Data Retention and Security
We keep your data as long as necessary to provide our Services or as required by law. We take reasonable measures to safeguard it.
When you terminate your account, we delete your personally identifiable data. We may retain non-personal, aggregated data to enhance the Services.
For subscription management, you can access your subscription details through our app or website. If you subscribed through the App Store, you can also manage your subscription through your Apple ID settings.
7. Changes to This Policy
We may update this Privacy Policy by posting the revised version on our website. Your continued use of our Services after such posting constitutes acceptance of the revised policy.
By using Codex4, you acknowledge that you have read and agree to this Privacy Policy.