And there are also free antiviruses that are actually spyware in disguise, designed to steal user data. I tested every single free Mac antivirus program on the market, looking for software that could provide decent anti-malware protection for macOS without forcing users to upgrade to the premium version. Most antivirus brands that offer free products usually make you “pay” with intrusive ads, limited features, and serious vulnerabilities that leave you and your Mac unsecured. Download the free trial of 2021’s best Mac antivirus here. No scanning limitations, no ads, and no credit card needed. This is the only completely free trial version of a top premium Mac antivirus I could find. Intego is the best macOS antivirus out there - detecting and removing all viruses and malware and ensuring that all Macs stay fast, clean, and optimized. Download the best free Mac antivirus here. Avira provides excellent real-time malware protection, anti-phishing and malicious website filtering, system tune-up tools, a password manager, and even a VPN.

Short on time? Here’s the best free Mac antivirus of 2021: