Twocanoes Software releases SD Clone 2.2, the quickest and easiest way to clone SD cards on the Mac. SD Clone is blazing fast and clones up to 8 SD cards simultaneously from a single image file or SD card. SD Clone shrinks and expands the image as needed to fit your data on any size card. SD Clone supports the Raspbian Raspberry Pi operating system, Linux and other operating systems. SD Clone supports a variety of flash memory cards and formats, including SD and micro SD cards. SD Clone is $99.00 and can be downloaded from their website.
SD Clone 2 for SD card cloning on the Mac