Privacy Policy

1. Information We Collect

Calsy collects information to provide calendar synchronization services:

• Account Information: Email address and user ID from your email login
• Calendar Data: Calendar events, titles, dates, times, and locations from connected calendars
• Connection Data: OAuth tokens and refresh tokens for accessing your calendar providers
• Usage Data: Sync activities, connection status, and application usage statistics

2. How We Use Your Information

We use your information to:

• Synchronize your calendar events across multiple platforms
• Provide privacy sync mode (showing only "Busy" status) or full detail sync
• Process premium subscription payments through Stripe
• Send sync notifications and service updates
• Improve our services and user experience

3. Data Storage and Security

• Secure Storage: All data is stored in encrypted PostgreSQL databases
• OAuth Security: We use industry-standard OAuth 2.0 for calendar access
• Token Management: Refresh tokens are securely stored and automatically rotated
• Privacy Modes: You control how much calendar detail is synced

4. Third-Party Integrations

Calsy integrates with:

• Google Calendar: Google's Privacy Policy applies to Google data
• Microsoft Outlook: Microsoft's Privacy Policy applies to Outlook data
• Apple Calendar: Apple's Privacy Policy applies to iCloud data
• CalDAV Servers: Your server provider's privacy policy applies
• Stripe: Stripe's Privacy Policy applies to payment processing

5. Data Sharing and Disclosure

We do not sell, trade, or share your personal information with third parties, except:

• When required by law or legal process
• To protect the security and integrity of our services
• With service providers who assist in delivering our services (under strict confidentiality)
• For payment processing through Stripe (payment data only)

6. Your Rights and Controls

You have the right to:

• Access: View all data we have collected about you
• Delete: Remove your account and all associated data
• Modify: Change your sync preferences and connected calendars
• Disconnect: Remove calendar connections at any time
• Export: Download your calendar sync activity data

7. Data Retention

• Calendar events are stored only as long as needed for synchronization
• OAuth tokens are retained until you disconnect a calendar
• Account data is retained until you delete your account
• Sync activity logs are retained for 90 days

8. Contact Information

For questions about this privacy policy or your data, contact us at:

Email: privacy@calsy.app
Address: Calsy Privacy Team

9. Changes to This Policy

We may update this privacy policy from time to time. We will notify you of any material changes by posting the new privacy policy on this page and updating the "Last updated" date.