ChronoSync 4.8.7 Key Link https://yetick.com/mN

It is an all-in-one app with tools for synchronizing, backups, bootable backups and cloud storage backups. The synchronization features include change detection, making it a good continuous data protection backup program for your Mac.

While it isn't necessarily easy to use, it performed really well in our tests. ChronoSync is one of the best Mac backup apps available.