1 Overview

This Privacy Policy describes how your personal information is handled in ETPattern for iOS. We take your privacy seriously and commit to transparent, privacy-first practices.

🔒 Your Learning Data is Yours

We do not collect, sell, or share your personal information. Your flashcards, study progress, and all personal data belong entirely to you.

2 Data Collection

ETPattern does not collect any personal data.

No Account Required
You don't need to create an account or login to use ETPattern.
No Usage Tracking
We don't track how you study or analyze your learning behavior.
No Location Tracking
We don't request or collect your location information.
No Third-Party Analytics
We don't use Google Analytics, Mixpanel, or similar tracking services.
No Advertising SDKs
We don't integrate Facebook Ads, Google Ads, or other ad networks.

3 Data Storage & Security

All data you create in ETPattern is stored securely and is not accessible to anyone but you.

📱 On-Device Learning

Your flashcards, study progress, and learning patterns are stored locally on your device and optionally synced to your private iCloud container.

📁
Local Device Storage
Your data is encrypted and stored in your device's private app container using SwiftData. Only your device can access it.
☁️
CloudKit Sync
Optional sync to iCloud via CloudKit keeps your data available across your devices. Apple encrypts this data end-to-end.
🧠
On-Device Learning
All learning algorithms (FSRS spaced repetition) run entirely on your device. No learning data is sent to servers.
🔐
SwiftUI/SwiftData Security
Built with Apple's latest frameworks for maximum device security and privacy.

4 Data Sharing & Disclosure

Since we do not collect any data, we cannot and do not share, sell, or trade any user information with third parties.

  • We never sell your data to advertisers or data brokers.
  • We never share your data with third-party services without your explicit consent.
  • We may disclose information only if required by law (with prior notice when possible).
  • Your learning data is never used for algorithm training or model improvements.

5 Translation & External Services

ETPattern uses a translation API for word definitions and translations. Here's how we handle this:

🔄
Minimal Data Sharing
Only the word you request translation for is sent to the API service, not your entire deck or study history.
🔐
Encrypted Transmission
All requests use HTTPS encryption for secure transmission.
📋
User Control
You can disable translation features entirely in settings if you prefer.

Note: Refer to the translation service provider's privacy policy for their specific data handling practices.

6 Privacy Compliance

ETPattern complies with major privacy regulations:

🇪🇺
GDPR Compliant
We comply with EU General Data Protection Regulation requirements.
🇨🇨
CCPA Ready
We meet California Consumer Privacy Act standards.
🍎
App Store Compliance
We adhere to Apple's strict App Store privacy requirements.

7 Changes to This Policy

We may update this Privacy Policy occasionally. If we make significant changes, we will notify you through the app or via email. Your continued use of ETPattern constitutes acceptance of the updated policy.

8 Contact Us

If you have questions about this Privacy Policy or ETPattern's privacy practices, please contact us: