Solesignal releases SmartBackup 3.4 for OS X: Backup and Cloning Utility Posted 6/26/2015 at 18:34 UTC in Mac by gnye@amdesign.net | Permalink | Tweet Solesignal today announces SmartBackup 3.4, an update to their alternative backup and cloning utility for OS X. Easy to configure and lightweight, SmartBackup syncs multiple source items efficiently to a destination on an external hard drive, flashdrive or network share. SmartBackup features a custom modern 64-bit sync engine built on the latest Apple technologies, and is optimised for fast analyse and copy speeds. Version 3.4 adds an updated sync engine, UI improvements, bugfixes and more.