Allway Sync – Free Software Downloads, Free File Synchronization, Backup, Data Replication, PC Sync Software, Freeware, File Sync, Data Synchronization Software. Sync. Sync is a file transfer app with full sync, backup and restore for local, external or cloud storage. NOTE: Local drive is free while Removable drives and Cloud storage drives are available via in app purchase at the Sync Shop. TERMS: DRIVE: A 'drive' is a local storage unit or a cloud storage service where files and data can be stored, e.