Checkpoint64 vs EmuSync

Checkpoint64 backs up PC game save folders to the cloud and lets users browse and restore earlier versions. It checks folders every 60 seconds and uploads changed files after a game finishes writing, with each upload recorded as a version. It supports games from Steam, GOG, and Epic, along with emulators and modded setups; presets cover more than 140 games and seven emulators. For shared saves, a lock limits uploads to its holder. Locks expire, and a teammate taking over gets a warning and a logbook entry. Linking Discord can notify teammates when someone manually commits or restores a shared save. The app is listed for Windows 10 and 11, macOS on Apple Silicon, and Linux; Steam lists Steam Deck support. The free plan includes 20 MiB of cloud storage per space and does not expire. Pro costs €5 a month, while Lifetime costs €10, paid once. Save files are encrypted in transit and at rest, but the service is not end-to-end encrypted or zero-knowledge.

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.