Cross-Device Sync

Access your shopping lists and data seamlessly across all your devices. Learn how Shoppis keeps your information synchronized, secure, and always up-to-date wherever you are.

Sync Overview

Shoppis's cross-device synchronization ensures your shopping lists, preferences, and data are always available on every device you use:

• Instant Updates: Changes appear on all devices within seconds
• Complete Data Sync: Lists, preferences, history, and settings
• Automatic Backup: Your data is continuously backed up to the cloud
• Offline Support: Work offline and sync when connection returns
• Version Control: Track changes and restore previous versions if needed

Supported Devices

Shoppis works across all your devices with native apps and web access:

Real-Time Synchronization

Experience instant updates across all your devices with Shoppis's real-time sync technology:

• Live Updates: See changes as they happen on other devices
• Collaborative Editing: Multiple users can edit the same list simultaneously
• Push Notifications: Get notified when others make changes to shared lists
• Activity Indicators: See who's currently viewing or editing lists
• Change History: Track all modifications with timestamps and user attribution

Real-time sync ensures your shopping lists are always up-to-date across all devices.

Offline Sync

Continue working even without an internet connection, with automatic sync when you're back online:

• Offline Editing: Add, edit, and delete items without internet connection
• Local Storage: Data is stored securely on your device
• Automatic Sync: Changes upload automatically when connection is restored
• Conflict Detection: Smart handling of conflicting changes made offline
• Data Integrity: Ensures no data is lost during offline periods

Conflict Resolution

When conflicts arise from simultaneous edits, Shoppis handles them intelligently:

• Automatic Merging: Non-conflicting changes are merged automatically
• Smart Conflict Detection: Identifies when manual resolution is needed
• User Choice: You decide which version to keep for conflicting changes
• Version History: Access to all previous versions for comparison
• Collaborative Resolution: Shared lists allow team members to resolve conflicts together

Data Security

Your data is protected with enterprise-grade security during sync and storage:

• End-to-End Encryption: Data encrypted on device before transmission
• Secure Transmission: TLS 1.3 encryption for all data transfers
• Zero-Knowledge Architecture: Shoppis servers cannot read your encrypted data
• Regular Security Audits: Third-party security assessments and penetration testing
• Compliance: GDPR, CCPA, and SOC 2 Type II compliant

Troubleshooting Sync Issues

Common sync problems and their solutions:

Sync Not Working

• Check your internet connection on all devices
• Ensure you're signed in to the same account
• Force refresh by pulling down on the lists screen
• Log out and back in to refresh sync tokens
• Update the app to the latest version

Slow Sync Performance

• Check for background app restrictions
• Ensure sufficient device storage space
• Close other apps that might be using bandwidth
• Switch to a different network if possible
• Clear app cache and restart

Missing Data After Sync

• Check the "Recently Deleted" folder
• Verify you're looking at the correct list
• Check if items were moved to a different category
• Review sync conflict resolution history
• Contact support for data recovery assistance