by affiliate sellers, who could earn a 50% commission for sales of the app. Some affiliates promoted MacKeeper in adware. After media criticism, Kromtech claimed it revamped its affiliate program. MacKeeper's usefulness was disputed by tech media; anti-malware, secure erase, backup, encryption, and anti-theft were either built-into macOS or available for free. Top Ten Reviews noted that other Mac anti-malware apps had better detection rates, resulting in a score of 7.5 out of 10. A July 2017 AV-TEST assessment found MacKeeper only detected 85.9 percent of the tested malware. Lawsuits In January 2014, a class action lawsuit was filed against Zeobit in Illinois. The lawsuit alleged that "neither the free trial nor the full registered versions of MacKeeper performed any credible diagnostic testing" and reported that a consumer's Mac was in need of repair and was at-risk due to harmful error. In May 2014 a lawsuit was filed against Zeobit in Pennsylvania, alleging that MacKeeper fakes security problems to deceive victims into paying for unneeded fixes. On 10 August 2015, Zeobit settled the lawsuit for . Customers who bought MacKeeper before 8 July 2015 could apply to get a refund. Kromtech also filed at least two unsuccessful defamation lawsuits against MacKeeper critics. In July 2013 Kromtech sued MacPaw, the developers of CleanMyMac, which was dismissed before the hearing. In 2014, Kromtech sued David A. Cox, who had made a video criticizing MacKeeper; the judge dismissed the case. In July 2016, Kromtech sent a cease and desist letter to Luqman Wadood, a 14-year old technology reviewer who made YouTube videos critical of the app; Luqman said the videos were diplomatic. Acquisition In 2019, MacKeeper was acquired by a newly-founded company, Clario Tech. In November 2020, Clario released MacKeeper 5, which received 3.5 of 5 start reviews from TechRadar and Macworld. The app was certified by AV-TEST. The new version includes a VPN, on-demand virus scanning, a memory cleaner, and a disk cleaner. See also Comparison of antivirus software Comparison of firewalls References Antivirus software Proprietary software MacOS-only software Utilities for macOS MacOS security software