Mac: In contrast, the Mac platform is generally perceived to be more immune to malware, as there have been relatively fewer documented cases of malware attacks. Macs also have anti-virus options, but they are less widely adopted.
Similar to Windows, the traditional application ecosystem has also been largely decentralized. Motivated by the success of the mobile App Store, Apple launched the Mac App Store as a centralized market for desktop applications. It appears to be reasonably successful.