Privacy Policy

Last Updated: January 2025

1. Introduction

Stitch (the "App") values your privacy. This Privacy Policy explains how we collect, use, store, and protect your personal information. By using this App, you agree to the data processing practices described in this policy.

2. Information We Collect

2.1 Information You Provide

• Threads Post Links: Threads URLs you share or paste
• Reply Preferences: Your selected options for tone, attitude, length, emoji, and persona
• Language Preference: Your selected reply language

2.2 Automatically Collected Information

• Device Information: Basic information such as device model and OS version (for debugging and service improvement)
• Usage Statistics: Anonymous statistics like feature usage counts and error reports
• App Check Token: Used to verify requests come from a legitimate app

2.3 Subscription Information

• Subscription status and purchase history are managed through RevenueCat
• We do not directly collect or store your payment information (handled by Apple)

3. How We Use Information

We use the collected information to:

• Parse Threads post content to generate reply suggestions
• Customize AI replies based on your preferences
• Manage your subscription status
• Improve app features and user experience
• Diagnose technical issues and errors
• Prevent abuse and ensure service security

4. Third-Party Services

This App uses the following third-party services that may collect and process your information:

4.1 RevenueCat

• Purpose: Subscription management and in-app purchase verification
• Data Sent: Anonymous user identifier, purchase status
• Privacy Policy: RevenueCat Privacy Policy

4.2 Firebase

• Purpose: Analytics, App Check verification
• Data Sent: Anonymous usage statistics, device verification token
• Privacy Policy: Firebase Privacy Policy

5. Data Security

We take the following measures to protect your data:

• Transport Encryption: All network requests use HTTPS encryption
• Local Storage: Sensitive data is securely stored using iOS Keychain
• App Check: Firebase App Check prevents unauthorized API access
• Minimization: We only collect data necessary to provide the service

6. Data Retention Policy

• Post Content: Only temporarily retained during processing, not permanently stored on our servers
• Reply Suggestions: Temporarily cached locally on device, cleared when app is closed
• Preferences: Stored locally on device until you delete the app
• Usage Statistics: Anonymous statistics may be retained for analysis purposes

7. User Rights

You have the following rights:

• Access: Know what data we collect about you
• Rectification: Request correction of inaccurate personal data
• Erasure: Request deletion of your personal data
• Objection: Object to specific types of data processing
• Portability: Obtain your data in a common format

To exercise these rights, please contact us using the information below.

8. Children's Privacy

This App is not specifically targeted at children under 13. We do not knowingly collect personal information from children. If you believe we may have collected information from a child, please contact us and we will promptly delete the relevant data.

9. Cross-Border Data Transfer

To provide our services, your data may be transferred to servers in the following regions:

• United States (RevenueCat, Firebase)

These service providers comply with applicable data protection regulations and industry-standard security measures.

10. Policy Changes

We may update this Privacy Policy from time to time. Significant changes will be communicated through:

• In-app notifications
• Updating the "Last Updated" date on this page

We recommend reviewing this policy periodically to stay informed.

11. Contact Information

If you have any questions about this Privacy Policy or need to exercise your rights, please contact us:

Email: service.stitch@m2k.com.tw