Carbon Copy Cloner is an essential Mac app from Bombich Software Inc. that offers reliable backup, restore, cloning and integrity-checking capabilities for the Mac. Features include bootable backup clones, network and disk image support, incremental backups (with optional archiving), scheduling, built-in help/guidance, graceful handling of I/O errors, task history, editing of scheduled tasks, task-chaining for creating more complicated backup schemes, the ability to add a Recovery partition and much more. Version 5 brought APFS support for macOS 10.13 High Sierra and later, along with improvements to SafetyNet, scheduling, task management, restore and more.
Carbon Copy Cloner 5.1.17 is priced at $39.95 for OS X 10.10 and up, with a 30-day trial period and upgrade discounts. (Older downloads are available for earlier Macs.) The latest release addresses more “treats” provided by Apple’s macOS 10.15.4 update, among other changes. (See also macOS Catalina Known Issues and the excellent troubleshooting tips in “Help! My clone won’t boot!“.)