Privacy Policy

Last updated: March 19, 2026

1. Overview

InputEnglish (“we”, “our”, “the app”) is an AI-powered English shadowing learning application. We are committed to protecting your privacy and handling your personal information responsibly.

2. Information We Collect

Account Information
Email address and display name when you sign up via email or OAuth (Google, Kakao).
Learning Data
Study progress, session history, and playbook entries generated through app usage.
Audio Recordings
Voice recordings made during shadowing practice. These are processed for pronunciation feedback and are not stored on our servers permanently.
Device Information
Device type, OS version, and push notification tokens for delivering notifications.
Subscription Data
Purchase history and subscription status managed through RevenueCat.

3. How We Use Your Information

  • Provide and improve the shadowing learning experience
  • Deliver AI-powered pronunciation and learning feedback
  • Send push notifications about new content and learning reminders
  • Process and manage in-app subscriptions
  • Analyze usage patterns to improve app features

4. Data Storage

Your data is stored securely using Supabase infrastructure with row-level security (RLS) policies. Data is encrypted in transit and at rest.

5. Third-Party Services

Supabase

Authentication & database

RevenueCat

Subscription management

Expo

Push notifications

Google / Kakao

OAuth providers

6. Data Sharing

We do not sell, trade, or share your personal information with third parties for marketing purposes. Data is shared only with the service providers listed above, solely for operating the app.

7. User Rights

You have the right to:

  • Access your personal data
  • Request correction of inaccurate data
  • Request deletion of your account and associated data
  • Withdraw consent for data processing

To exercise these rights, contact us at support@inputenglish.kr.

8. Data Retention

We retain your data for as long as your account is active. Upon account deletion, all personal data is removed within 30 days. Audio recordings from shadowing sessions are processed in real-time and not retained after feedback is generated.

9. Children's Privacy

InputEnglish is not directed at children under 14. We do not knowingly collect personal information from children under 14.

10. Changes to This Policy

We may update this policy from time to time. Changes will be posted on this page with an updated revision date.

11. Contact

For questions about this privacy policy, contact us at support@inputenglish.kr.