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SPECIFICTION
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EmuSync

github.com

Free plan WindowsLinuxAPI
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Spec score 8.2 #3 of 27 in Game Save Managers

What it is

EmuSync syncs game saves between devices by linking save locations to shared storage. It is aimed at people who play emulator or non-Steam games on multiple devices, and at anyone seeking another save backup. Storage can be a local or shared folder, Google Drive, Dropbox, or OneDrive. Users can configure save locations, let the app detect saves, and choose automatic or manual syncing. EmuSync also provides local backup and manual restore. Steam Deck users can check sync status with a Decky plugin without switching to desktop mode. Advanced users and scripts can use its local HTTP API, which requires no authentication and is documented as available only on the device, not over the network. The privacy policy says personal information is not collected, stored, or transmitted; app data stays locally or with the chosen cloud provider. Windows 10 and 11 x64 are confirmed working, and Linux instructions cover Steam Deck. The project says it cannot currently build and test for Mac and has no plans for Android or iOS. Its Windows installer is unsigned and may trigger a SmartScreen warning.

Spec sheet

Purpose
EmuSync syncs game save files across devices by mapping save locations to a shared cloud storage provider.Read 3 Oct 2026 · github.com
API
EmuSync provides a local HTTP API for advanced users, scripts, and third-party automation tools.Read 3 Oct 2026 · github.com
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.Read 3 Oct 2026 · github.com
Support
The README directs users to the project wiki for troubleshooting and usage details.Read 3 Oct 2026 · github.com
API access
The local API requires no authentication and is documented as accessible only on the device, not over the network.Read 3 Oct 2026 · github.com
Backup and restore
The app includes a local backup and restore mechanism for game saves.Read 3 Oct 2026 · github.com
Cloud providers
The README lists Google Drive, Dropbox, and OneDrive as supported storage providers.Read 3 Oct 2026 · github.com
Installer notice
The README says the Windows installer is not code signed and SmartScreen may flag it as a risk.Read 3 Oct 2026 · github.com
Linux support
The README provides Linux installation instructions for Steam Deck and says the app should work on modern Linux devices.Read 3 Oct 2026 · github.com
Local storage
EmuSync can use a local or shared folder as its storage location.Read 3 Oct 2026 · github.com
Platform limitations
The maker says it cannot currently build and test on Mac and has no plans for Android or iOS versions.Read 3 Oct 2026 · github.com
Steam Deck plugin
A Decky plugin lets Steam Deck users check game sync status without switching to desktop mode.Read 3 Oct 2026 · github.com
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.Read 3 Oct 2026 · github.com
Sync features
Users can configure save locations, automatically detect saves, and sync them automatically or manually.Read 3 Oct 2026 · github.com
Windows support
The README confirms Windows 10 and Windows 11 PCs with x64 as working devices.Read 3 Oct 2026 · github.com

Plans and prices

Free Free Free with no subscription or paywall Read 3 Oct 2026 · github.com

Every EmuSync plan and price →

Strong points and limits

Strong points

  • Supports Google Drive, Dropbox, OneDrive, and local folders.
  • Offers automatic or manual sync.
  • Includes local backup and restore.
  • Decky plugin shows Steam Deck sync status.
  • Provides a device-only local HTTP API.

Limits

  • No planned Android or iOS versions.
  • Mac builds and testing are not currently available.
  • Windows installer is unsigned and may trigger SmartScreen.
  • API has no authentication.

Who it suits

EmuSync suits people who use emulators or non-Steam games across devices, or want an additional save backup. Its local API may also suit users automating tasks with scripts or third-party tools.

Verdict

EmuSync combines several storage choices with configurable sync and local save recovery. Check platform support and the unsigned Windows installer notice before installing.

Where Specifiction places it

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