Privacy Policy — yeoyou sync
Last updated: June 2026
Summary
yeoyou sync does not collect, store, or transmit any personal data to us or any third party.
What we collect
Nothing. yeoyou sync has no accounts, no analytics, no crash reporting, and no remote servers operated by us.
All data stays on your device and your own home server.
What the app accesses
| Permission | Purpose | Sent to |
|---|---|---|
| Photos & Videos | Read files to back up | Your home server only |
| Wi-Fi state | Check connection before syncing | Never transmitted |
| Internet | Transfer files to your server | Your home server only |
Your files are sent directly from your phone to the server you configured. We never see them.
Data stored on your device
- Server connection info (IP address, alias) — stored locally in the app database
- List of already-synced files — stored locally to avoid re-uploading
This data never leaves your device except to your own server.
Third-party services
None. yeoyou sync does not use any third-party SDKs, analytics, or advertising libraries.
Children’s privacy
yeoyou sync does not knowingly collect any information from children under 13.
Changes to this policy
If we make material changes, we will update the “Last updated” date above.