Privacy Policy

Information We Collect

When you use Enchiridion, we may collect the following information:

• Account Information: If you sign in with Apple or Google, we receive your email address and display name.
• Learning Progress: Your quiz responses, scores, streaks, and progress through learning paths.
• App Usage: Anonymous analytics about how you use the app (via PostHog), such as which features you use most.
• Device Information: Basic device information like iOS version for troubleshooting purposes.
• Crash & Diagnostics: Crash reports and performance diagnostics (via Sentry) to help us fix bugs and improve stability.

How We Use Your Information

• To provide and improve your learning experience
• To sync your progress across your devices via iCloud
• To personalize your learning path and difficulty level
• To send streak reminders and notifications (if enabled)
• To process your subscription payments through Apple

Data Storage

Your learning data is stored securely using Apple's iCloud and CloudKit infrastructure. This means:

• Your data is encrypted in transit and at rest
• Your data syncs automatically across your Apple devices
• We do not have access to your iCloud password

Analytics data is processed by PostHog with servers in the United States.

Crash and performance diagnostics are processed by Sentry.

Your Rights

You have the right to:

• Access your data: Request a copy of your learning data at any time.
• Delete your data: Delete your account and all associated data in the app settings.
• Opt out of analytics: Disable analytics tracking in the app settings.

Third-Party Services

• Apple: For Sign in with Apple, iCloud sync, and payment processing.
• Google: For Google Sign-In (optional).
• PostHog: For anonymous usage analytics.
• Sentry: For crash reporting and performance diagnostics.

Children's Privacy

Enchiridion is not directed at 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.

Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any material changes by posting the new policy on this page and updating the "Last updated" date.