The rest of the commercial backup apps are in constant feature wars to one up the competition.
At the high end of the bullet point list is Syncovery, which used to be called Super Flexible File Synchronizer. This backup app isn’t cheap, but it does carry a list of features and functions not found in lesser apps. Sometimes, you get what you pay for.
Syncovery is one of those Mac, Windows PC, Linux apps with a non-Mac-like interface with features that focus on functions that typical Mac users never dream of.
Second, Syncovery can zip compress files, and even connect and sync files to an Amazon S3 account. It’s one of the few Mac backup and sync apps that can pass the so-called Backup Bouncer test which ensures Mac files can be backed up and recovered completely.
The two features most of us want and need are a scheduler and a bootable backup clone. Check. Syncovery has both and they’re simple to implement.
Not as simple to setup are the files masks and filters, time zone options, and error options (for example, when a backup disk is full).
The user interface is functional, not intuitive, and purely 1999.
Setting up and scheduling a backup or synchronization job is straightforward and runs in the background. It even runs multiple jobs in parallel.
If you don’t mind a cumbersome, somewhat messy interface, you’ll be impressed with the volume cloning function, background backups, scheduler and the new capability to copy extended attributes, BSD flags, ACLs, Finder Info, and other esoteric but necessary Mac file system requirements.