Take a look to see how Norton 360 compares to the other Mac Antivirus apps we have looked at in our round up of the Best Mac antivirus apps. While menu navigation in Norton 360 can still feel a little convoluted and take some getting used to, the program still gets to work and does it well. Norton Browser Extensions. Should you buy Norton 360? Norton 360 for Mac is, at its heart, a viable tool capable of more than just antivirus protection, and its core scanning tools are fast, efficient, and impressive.