Privacy Policy

StockFast Application

1. Introduction

StockFast ("the App") respects your privacy and is committed to protecting your personal information. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your data.

2. Information We Collect

The App may collect the following information:

• Account Information: Email address and display name when you sign in with Google
• Usage Data: Bookmarked articles, search history, and app usage patterns
• Device Information: Device type, OS version, and app version
• Subscription Information: Purchase history, subscription status (active/inactive/trial), purchase date and time

3. How We Use Your Information

We use the collected information to:

• Provide and improve app functionality
• Sync your bookmarks and settings
• Send push notifications (with your permission)
• Analyze and improve the app
• Provide customer support

4. Information Sharing

We do not share your personal information with third parties except:

• With your consent
• When required by law
• With service providers under data protection agreements

5. Data Storage

Your data is stored on secure cloud servers provided by Supabase. We implement appropriate technical and organizational measures to ensure data security.

5.1 Data Retention

Data retention periods are as follows:

• Account Data: Deleted within 30 days after account deletion
• Subscription Information: Retained for up to 7 years after subscription ends, as required by law
• Usage Logs: Retained for 90 days

5.2 Subscription and Payment Processing

Subscription payments for StockFast Premium are processed through Apple Inc.

• Payment information (such as credit card numbers) is managed by Apple, and we do not have direct access to it
• Subscription management is done through Apple ID settings
• We use RevenueCat to manage subscription status

For Apple's privacy policy, please refer to Apple Privacy.

6. Your Rights

You have the right to:

• Access your personal information
• Request correction or deletion of your data
• Delete your account
• Disable push notifications

7. Third-Party Services

The App uses the following third-party services:

• Google Sign-In: Authentication service
• Supabase: Database and backend services
• RevenueCat: Subscription management
• Firebase: Push notifications

These services process information according to their respective privacy policies.

8. Children's Privacy

The App does not knowingly collect personal information from children under 13 years of age.

9. Policy Changes

This Privacy Policy may be updated from time to time. We will notify you of significant changes through the app.

Last updated: January 17, 2026