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MacKeeper new logo.jpg
Developer(s)Clario Tech Limited
Initial releaseOctober 1, 2010; 11 years ago (2010-10-01)
Stable release
5.8 / December 2021
Operating systemmacOS OS X El Capitan 10.11 or later
Available in18 languages[1]
List of languages
Chinese, Czech, Danish, Dutch, English, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish
TypeUtility software, Internet security
LicenseProprietary commercial software Edit this on Wikidata

MacKeeper is utility software distributed by Clario Tech Limited.[2] MacKeepers was developed by ZeoBIT and is presently distributed by Clario Tech. The first beta version was released on 13 May 2010. It is designed to operate on computers running macOS. Versions 1.0 and 2.0 received mixed reviews, while the 3.0 version released in 2015 was reviewed mostly negatively and according to MacWorld was difficult to uninstall.[3] The latest 5.0 version was released in 2020 after Clario Tech acquired Kromtech’s MacKeeper in 2019 and relaunched the software.


MacKeeper was initially developed in 2009 by Ukrainian programmers in Zeobit. The first beta version, MacKeeper 0.8, was released on 13 May 2010.[4] MacKeeper 1.0 was released on October 26, 2010.[5] MacKeeper 2.0 was released on 30 January 2012 at Macworld – iWorld with an expanded number of utilities related to security, data control, cleaning and optimization.[6][7] Kromtech Alliance acquired MacKeeper from Zeobit in April 2013.[8] MacKeeper 3.0 was released in June 2014 as software as a service with a new "human expert" feature and optimization with OS X Yosemite.[9][10] In July 2018, MacKeeper 4.0 was released.[11]

In April 2013, Zeobit sold MacKeeper to Kromtech Alliance Corp.[8][12] Kromtech was closely affiliated with Zeobit in Ukraine and hired many former Kyiv-based Zeobit employees.[12] In December 2015 security researcher Chris Vickery discovered a publicly accessible database of 21GB of MacKeeper user data on the internet, exposing the usernames, passwords and other information of over 13 million MacKeeper users. According to Kromtech, this was the result of a "server misconfiguration" and the error was "fixed within hours of the discovery".[13]

In 2019 Clario acquired[14] the IP and human capital of Kromtech, including all of Mackeeper.[15]

As of May 2019, five major versions of MacKeeper had been released.


It integrates Avira's anti-malware scanning engine, but some versions opened a critical security hole.[16][12][17] The filesystem-level encryption tool can encrypt files or folders with a password. The data recovery utility permits users to recover unintentionally deleted files. A backup software is also included, which can copy files to a USB flash drive, External HDD or FTP server. The data erasure permits users to permanently delete files although PC World argues that this feature duplicates the secure empty trash feature formerly built into macOS.[12] The disk cleaner finds and removes junk files on the hard drive in order to free up space.[18]


Version 1.0 and 2.0

The earlier bundles received mixed reviews, with reviewers being divided as to the effectiveness of the software. Macworld gave MacKeeper 3.5 out of 5 stars in August 2010, based on the 0.9.6 build of the program, and found it a reasonably priced set of tools but experienced lagging while switching between tools.[19] MacLife rated it at 2.5 out of 5 and said it to be useful mainly for freeing up drive space, but found other features offered inconsistent results and believed most users won’t need its antivirus feature.[20] AV-Comparatives found that MacKeeper had an excellent ability to detect Mac-based malware.[21] They noted that it was "very well suited to enthusiasts who have a good understanding of security issues, but not ideal for non-expert users who need pre-configured optimal security for their Macs."[21] Zeobit claims that negative attacks were launched against MacKeeper by an unnamed competitor, and that many users and press were confusing MacKeeper with another application.[22]

Version 3.0

Reviews of the latest software version have been largely negative. A May 2015 test by PC World found that MacKeeper identified the need for extensive corrections on brand new fully patched machines.[12][23] In December 2015, Business Insider and iMore suggested users avoid the product and not install it.[24][25] Top Ten Reviews has removed MacKeeper from its top 10 ranking noting that the software had more features than its competitors but its performance in Mac malware identification tests showed other software had better detection rates, resulting in a score of 7.5 out of 10.[26] A July 2017 AV-TEST assessment found MacKeeper only detected 85.9 percent of the tested malware.[27][28]

MacKeeper has been criticized for being very difficult to uninstall; according to MacWorld, people frequently ask how they can get rid of MacKeeper. Both Tom's Guide and MacWorld have published how-to guides for deleting the software.[25][29][30] MacWorld observed that aggressive MacKeeper advertising leads people to believe that the software is either malware or a scam, when it is neither; MacWorld also notes that some pop-up and pop-under ads may be due to third-party installers.[31][32] Computerworld described MacKeeper as "a virulent piece of software that promises to cure all your Mac woes, but instead just makes things much worse".[33]

Version 4.0

MacKeeper 4.0 was released in July 2018. It included such improvements as anti-tracking, macOS VPN and a combination of security, privacy, and anti-fraud technologies.[34]

Version 5.0

MacKeeper 5.0., released in November 2020, was notarized by Apple and AV-tested.[35]

According to Macobserver the new version with security certifications is allowed a low-level system privilege on Mac hardware.[36] TechRadar rated Mackeeper 5.0. as a product with "a decent level of protection and performance optimization features".[37]

MacKeeper 5.0. has the following major tools:[38]

  • Find & Fix - one-click scan to review Mac status
  • Antivirus with real-time protection
  • ID Theft Guard which detects data breaches and password leaks
  • StopAd to block ads at Chrome and Safari
  • Safe Cleanup to detect and remove unneeded attachments and files
  • Duplicates Finder to spot duplicate files and sort similar photos or screenshots
  • VPN

Marketing techniques

Multiple reviewers have criticized Zeobit's marketing and promotional techniques.[39][40] Kromtech buys upwards of 60 million ad impressions a month, making it one of the largest buyers of web traffic aimed at Mac users.[12] Zeobit has been accused of employing misleading advertising with regard to its promotion of MacKeeper, including aggressive affiliate marketing, pop-under ads and planting sockpuppet reviews as well as websites set up to discredit their competitors.[39][41] Kromtech has also had issues with affiliate advertisers, attracted by the 50 percent commissions Kromtech pays for sales of MacKeeper, who have wrapped MacKeeper ads into adware.[12] In 2018, Kromtech began to take steps against affiliate marketers it said were scamming users.[42] The company recovered after changing the management.[43][44]


In January 2014, a class action lawsuit was filed against Zeobit in Illinois.[45] 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.[45] 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.[46][12] On 10 August 2015, Zeobit settled a class action lawsuit against it for US$2 million.[47] Customers who bought MacKeeper before 8 July 2015 can apply to get a refund.[48]

Kromtech also filed at least two unsuccessful lawsuits against those it perceives are defaming them. In July 2013 Kromtech filed a lawsuit against Macpaw, the developers of CleanMyMac. Kromtech alleged that Macpaw employees created several usernames and posts on several websites defaming the MacKeeper software.[49] The case was dismissed before the hearing.[50] A year later, in 2014, Kromtech again filed a lawsuit against David A. Cox alleging that he defamed Kromtech by calling MacKeeper a fraudulent application in a YouTube video. The judge dismissed the case for lack of personal jurisdiction.[51] In July 2016, Kromtech sent a cease and desist letter to Luqman Wadood, a 14-year old technology reviewer for alleged harassment and slander of the MacKeeper brand in a number of YouTube videos. Luqman said the videos were diplomatic.[52]

See also


  1. ^ "MacKeeper 3.7". Softonic. Retrieved 2018-05-30.
  2. ^ Limited, Clario Tech. "Clario To Disrupt Digital Security Market With Fusion Of Personalized Features And Human Intelligence". Retrieved 2021-01-04.
  3. ^ David Price (March 8, 2018). "How to uninstall MacKeeper & stop 'System Scan is Recommended' popup". Retrieved April 14, 2021.
  4. ^ "ZeoBIT LLC Releases MacKeeper 1.0 - 911 for Mac OS - Now With Antivirus". Zeobit. 27 October 2014. Archived from the original on 15 July 2014. Retrieved 14 July 2014.
  5. ^ "Version 1.0". Kromtech Alliance. 26 October 2010. Retrieved 31 August 2014.
  6. ^ "New Version of MacKeeper released at the MacWorld". iWorld 2012 Expo. Retrieved 2014-07-14.
  7. ^ Editor, Senior. "Slideshow: Macworld/iWorld 2014 in pictures". Macworld. Retrieved 2021-07-03. {{cite web}}: |last= has generic name (help)
  8. ^ a b "Kromtech Alliance Corp Acquires MacKeeper". PRWeb. 15 April 2013. Retrieved 8 July 2014.
  9. ^ "Version 3.0.3". 16 June 2014. Retrieved 31 August 2014.
  10. ^ "MacKeeper moving towards the Software-As-A-Service model". 21 October 2014. Archived from the original on 28 October 2014. Retrieved 28 October 2014.
  11. ^ MacKeeper 4.0 press release
  12. ^ a b c d e f g h Kirk, Jeremy (5 May 2015). "MacKeeper celebrates a difficult birthday under the cloud of a class action lawsuit". PC World. IDG.
  13. ^ "MacKeeper Security Announcement". 14 December 2015.
  14. ^ "Clario To Disrupt Digital Security Market With Fusion Of Personalized". AiThority. 2019-12-10. Retrieved 2021-07-03.
  15. ^ "Clario Review". PCMAG. Retrieved 2021-07-03.
  16. ^ Lucian Constantin (May 11, 2015). "Controversial MacKeeper security program opens critical hole on Mac computers". Retrieved October 24, 2018.
  17. ^ "MacKeeper". n.d. Archived from the original on 26 February 2017. Retrieved 22 September 2014.
  18. ^ Parrish, Robin (4 November 2011). "Review: MacKeeper". Apple Gazette.
  19. ^ Battersby, Jeffery (24 Aug 2010). "MacKeeper 0.9.6". Macworld. Archived from the original on 2013-03-14.
  20. ^ Berenstain, Adam (23 September 2011). "MacKeeper System Maintenance Suite Review". MacLife.
  21. ^ a b "Product Review: Mac Security - July 2013" (PDF). AV-Comparatives. 2013. Retrieved 12 July 2013.
  22. ^ Parrish, Robin (14 November 2011). "EXCLUSIVE: MacKeeper Says "Unethical Competitor Trying to Tarnish Our Reputation"". Apple Gazette. Retrieved 10 July 2014.
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  26. ^ "Kromtech MacKeeper Review". Purch Group. Retrieved 3 March 2017.
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  28. ^ Perler, Luca (2017-07-19). "Die besten Virenscanner für Mac-Rechner" (in German). Computerworld.
  29. ^ Honorof, Marshall (2015-10-23). "How to Get Rid of MacKeeper". Tom's Guide.
  30. ^ Breen, Christopher (2017-02-14). "How to uninstall MacKeeper from your Mac". MacWorld. Retrieved 2017-11-11.
  31. ^ Haslam, Karen (2017-08-31). "Do Macs get viruses, and do Macs need antivirus software?". MacWorld. Retrieved 2017-11-12.
  32. ^ Breen, Christopher (2018-05-14). "How to uninstall MacKeeper from your Mac". MacWorld. Retrieved 2018-05-30.
  33. ^ Evans, Jonny (2018-02-14). "Mac: What does 'System Scan is Recommended' mean?". Computerworld. Retrieved 2018-05-30.
  34. ^ "MacKeeper Review: How to clean up & Optimize Mac Performance". Retrieved 2021-09-29.
  35. ^ Dvorak, Chyelle; Faulds, John (2021-05-11). "MacKeeper review". TechRadar. Retrieved 2021-09-29.
  36. ^ "The Mac Observer". The Mac Observer. Retrieved 2021-09-29.
  37. ^ Dvorak, Chyelle; Faulds, John (2021-05-11). "MacKeeper review". TechRadar. Retrieved 2021-12-14.
  38. ^ "MacKeeper Review - Is It Legit And Safe? [Unbiased 2021 Review]". TechJury. Retrieved 2021-07-03.
  39. ^ a b Kahney, Leander (30 May 2012). "Is MacKeeper Really A Scam?". Cult of Mac.
  40. ^ "MacKeeper Review – Should You Install This Mac Utility Software?". Lure of Mac. Lure of Mac. Retrieved 12 July 2014.
  41. ^ "MacKeeper, a rather slimy tale". TheMacFeed. Archived from the original on May 28, 2013. Retrieved 29 May 2013.
  42. ^ Kromtech cancelled partnerships that caused problems—
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  45. ^ a b Bouboushian, Jack (January 21, 2014). "Class Says 'MacKeeper; Software is Junkware". Courthouse News Service.
  46. ^ Lord, Rich. "Pennsylvania woman sues company that promises computer security". Pittsburgh Post-Gazette. Retrieved 12 May 2014.
  47. ^ Clover, Juli. "Customers Who Bought MacKeeper Can Get a Refund Under New Settlement". Retrieved 2015-08-10.
  48. ^ "Yencha v. ZeoBIT LLC Class Action Settlement". Yencha v. ZeoBIT LLC. 7 August 2015. Retrieved 10 August 2015.
  49. ^ Barnett, Kyle (4 Sep 2014). "Apple anti-virus software creators face off in defamation lawsuit". Louisiana Record.
  50. ^ Tennant, Don (28 May 2015). "MacKeeper's Tarnished Reputation Tip: Convey Your Message, or Others Will Do It for You". IT Business Edge. Retrieved 13 November 2015.
  51. ^ "ORDER AND REASONS granting 8 Motion to Dismiss Tech TalkAmerica, LLC for Kromtech of USA, LLC v. Cox et al :: Justia Dockets & Filings". Justia. n.d. Retrieved 13 November 2015.
  52. ^ Kallelid, Magnus (23 July 2016). "14-åring fra Madla ble truet av amerikansk dataselskap" [14-year-old from Madla was threatened by US IT company] (in Norwegian). Stavanger Aftenblad. Retrieved 24 July 2016.