Effective Date: February 2, 2026
1. Introduction
This Privacy Policy explains how TCG Buddy ("we", "our", or "the App") collects, uses, and protects your personal information. By using the App, you agree to the collection and use of information as described in this policy.
2. Information We Collect
Account Information
- Email address
- Username
- Password (encrypted)
- Account creation date
Transaction Data
- Card names and details
- Purchase and sale prices
- Transaction dates
- Notes and descriptions
- Profit/loss calculations
Photos
- Images of cards you upload
- Photo metadata (upload date, file size)
Device Information
- Device type (iOS/Android)
- Operating system version
- App version
- Unique device identifier (for crash reporting)
Usage Data
- App interactions and features used
- Error logs and crash reports
- Sync activity
3. How We Use Your Information
We use your information to:
- Provide and maintain the App
- Sync your data across devices
- Authenticate your account
- Calculate profit/loss statistics
- Improve the App and fix bugs
- Send important updates (account security, service changes)
- Respond to support requests
We do NOT:
- Sell your data to third parties
- Use your data for advertising
- Share your data without your consent (except as required by law)
4. Data Storage and Security
Storage
- Data is stored using Supabase (a secure cloud database provider)
- Servers are located in the United States
- Passwords are encrypted using industry-standard hashing
- Photos are stored securely with access controls
Security Measures
- Encrypted data transmission (HTTPS/TLS)
- Secure authentication
- Regular security updates
- Access controls and monitoring
Offline Data
- Offline data is stored locally on your device
- We are not responsible for data loss if you uninstall the App or lose your device
- We recommend regular syncs to back up your data
5. Data Retention
- We retain your data as long as your account is active
- You can delete your account at any time through App settings
- Upon account deletion, your data is permanently removed within 30 days
- Backup copies may persist for up to 90 days for disaster recovery
6. Third-Party Services
We use the following third-party services:
Supabase (Database & Authentication)
Expo (App Framework)
- Crash reporting and analytics
- Privacy Policy: expo.dev/privacy
- Does not access your personal data
We do not control third-party practices. Please review their privacy policies.
7. Your Rights
You have the right to:
- Access your data (download via App)
- Correct inaccurate data (edit in App)
- Delete your data (delete account in App)
- Export your data (coming soon)
- Opt-out of non-essential communications
To exercise these rights, contact us at tcgbuddyapp@gmail.com.
8. Children's Privacy
The App is not intended for children under 13 years old. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal information, contact us immediately at tcgbuddyapp@gmail.com and we will delete it.
9. Data Sharing and Disclosure
We may share your information only in these cases:
- With your consent (e.g., sharing a transaction with another user)
- Legal requirements (court orders, subpoenas, law enforcement)
- Business transfers (if we are acquired or merge with another company)
- Service providers (Supabase, crash reporting tools) under strict confidentiality
We will never sell your data.
10. International Users
The App is operated from the United States. If you are located outside the U.S., your data will be transferred to and stored in the U.S. By using the App, you consent to this transfer.
11. Do Not Track
We do not respond to "Do Not Track" browser signals, as the App does not track users for advertising purposes.
12. Changes to This Policy
We may update this Privacy Policy from time to time. We will notify you of changes by:
- In-app notification
- Email (if provided)
- Updating the "Effective Date" at the top
Continued use after changes means you accept the updated policy.
13. Contact Us
If you have questions about this Privacy Policy or want to exercise your rights, contact us at:
Email: tcgbuddyapp@gmail.com
Response Time: We aim to respond within 7 business days.
Last Updated: February 2, 2026