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EmuSync
What it is
EmuSync is a free app that syncs game save files across devices by connecting save locations to shared storage. It is intended for people playing emulator or non-Steam games on multiple devices, and for those wanting an additional save backup. Listed storage choices include Google Drive, Dropbox, OneDrive, and local or shared folders. Users can set save locations, have saves detected automatically, and sync either automatically or manually. The app includes a local backup and restore mechanism. Steam Deck users can use a Decky plugin to check sync status without switching to desktop mode. Advanced users, scripts, and third-party automation tools can use its local HTTP API; the API requires no authentication and is documented as accessible only on the device, not over a network. The privacy policy says personal information is not collected, stored, or transmitted, and app data is kept locally or in the chosen cloud provider. Windows 10 and 11 x64 are confirmed working devices; Linux installation instructions cover Steam Deck, and modern Linux devices are expected to work. The maker has no plans for Android or iOS versions.
For and against
For
- Supports Google Drive, Dropbox, and OneDrive
- Offers automatic or manual syncing
- Includes local backup and restore
- Steam Deck sync status plugin available
Against
- No Android or iOS versions are planned
- Windows installer is unsigned and may trigger SmartScreen
- Local API requires no authentication
The verdict
EmuSync combines multi-device save syncing with local backup and restore options. Its listed platform limitations and unsigned Windows installer are worth considering before installation.
Who it suits
It suits people who play emulator or non-Steam games across devices and want save syncing or an extra backup. Steam Deck users may also value the sync-status plugin.
Plans and prices
Free
Free with no subscription or paywall
Read 3 Oct 2026 · github.com
On the record
- API
- EmuSync provides a local HTTP API for advanced users, scripts, and third-party automation tools.github.com · read 3 Oct 2026
- API access
- The local API requires no authentication and is documented as accessible only on the device, not over the network.github.com · read 3 Oct 2026
- Backup and restore
- The app includes a local backup and restore mechanism for game saves.github.com · read 3 Oct 2026
- Cloud providers
- The README lists Google Drive, Dropbox, and OneDrive as supported storage providers.github.com · read 3 Oct 2026
- Installer notice
- The README says the Windows installer is not code signed and SmartScreen may flag it as a risk.github.com · read 3 Oct 2026
- Linux support
- The README provides Linux installation instructions for Steam Deck and says the app should work on modern Linux devices.github.com · read 3 Oct 2026
- Local storage
- EmuSync can use a local or shared folder as its storage location.github.com · read 3 Oct 2026
- Platform limitations
- The maker says it cannot currently build and test on Mac and has no plans for Android or iOS versions.github.com · read 3 Oct 2026
- Privacy
- The privacy policy says the app does not collect, store, or transmit personal information, and stores app data locally or in the chosen cloud provider.github.com · read 3 Oct 2026
- Purpose
- EmuSync syncs game save files across devices by mapping save locations to a shared cloud storage provider.github.com · read 3 Oct 2026
- Steam Deck plugin
- A Decky plugin lets Steam Deck users check game sync status without switching to desktop mode.github.com · read 3 Oct 2026
- Support
- The README directs users to the project wiki for troubleshooting and usage details.github.com · read 3 Oct 2026
- Supported users
- The project says it is suited to people who play emulator or non-Steam games across multiple devices, or want an extra save backup.github.com · read 3 Oct 2026
- Sync features
- Users can configure save locations, automatically detect saves, and sync them automatically or manually.github.com · read 3 Oct 2026
- Windows support
- The README confirms Windows 10 and Windows 11 PCs with x64 as working devices.github.com · read 3 Oct 2026
