Sync files between phone and computer

No cloud storage. No subscriptions. Direct sync over WiFi or the internet, with full control over your data.

Android APK macOS Windows Linux

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Installation Notes

macOS

The app is not signed with an Apple certificate. After installing from the .dmg, open Terminal and run:

xattr -cr /Applications/SyncApp.app

Then open the app normally. If it still doesn't work, try: right-click > Open > click "Open".

Windows

Windows may show "Windows protected your PC". Click "More info" then "Run anyway".

Linux

Make the AppImage executable:

chmod +x SyncApp.AppImage && ./SyncApp.AppImage

Android

Enable "Install from unknown sources" in Settings. Open the APK to install.

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Private & Secure

Files transfer directly between your devices. No cloud, no third-party servers touching your data.

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LAN & Internet

Sync over WiFi on the same network (SMB/SFTP), or over the internet via WebRTC peer-to-peer.

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Two-Way Sync

Upload-only backup or full two-way sync. Deletions propagate. Conflicts resolved by newest edit.

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Background Sync

Auto-syncs on schedule even when app is closed. Pause, stop, or run in background from notification.

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Multi-Device

Connect multiple phones to one computer, or one phone to multiple computers. Each pair syncs independently.

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Works Everywhere

Windows, macOS, Linux desktop clients. Android phone app. SMB, SFTP, and WebRTC protocols.

How It Works

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LAN Sync

Same WiFi network. Uses SMB or SFTP. Fastest option for large files.

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Remote Sync

Over the internet via WebRTC. Peer-to-peer, encrypted. Works from anywhere.

Quick Setup

Install on both devices

Download the APK on your Android phone and the desktop app on your computer.

LAN: Enable file sharing

On your computer, enable SMB file sharing (Windows) or SFTP (Mac/Linux). The phone app will discover your computer automatically.

Remote: Pair with code

Open the desktop app, note the 6-digit pairing code. Enter it on your phone. Devices connect over the internet.

Select folders & sync

Choose which folders to sync, pick a direction (backup or two-way), and you're done. Sync runs automatically.