BlockBlock alternatives: 3 apps ranked by verified data
Common reasons people leave BlockBlock: does not detect or remove known malware the way a scanner does, and alerts for legitimate installers need judgement from the user. We ranked 3 alternatives by how directly each one replaces BlockBlock, then by reviews, real visits and how recently each app's facts were checked against its own website. KnockKnock currently ranks first.
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Show all 3 alternativesThe best BlockBlock alternative for…
The highest-ranked app in this list for each need.
Best BlockBlock alternative for most people
KnockKnockSame developer and also free; scans for everything already set to persist instead of watching for new items.
Best BlockBlock alternative for a free option
KnockKnockSame developer and also free; scans for everything already set to persist instead of watching for new items.
Best BlockBlock alternative for a free plan you can upgrade
MalwarebytesA full scanner with real-time protection that detects known Mac malware rather than leaving each decision to you.
Best BlockBlock alternative for Mac
ClamXAVMac-only antivirus with scheduled and background scans, for people who want signature detection.
Best BlockBlock alternative for Windows
MalwarebytesA full scanner with real-time protection that detects known Mac malware rather than leaving each decision to you.
Best BlockBlock alternative for iPhone and Android
MalwarebytesA full scanner with real-time protection that detects known Mac malware rather than leaving each decision to you.
BlockBlock alternatives: common questions
What is the best alternative to BlockBlock?
KnockKnock ranks first right now. Same developer and also free; scans for everything already set to persist instead of watching for new items. Malwarebytes and ClamXAV follow it in our ranking.
Is there a free alternative to BlockBlock?
Yes. KnockKnock (open source) and Malwarebytes (free plan + paid) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to BlockBlock?
None of the 3 alternatives in this list is open source.
Why do people switch from BlockBlock?
The complaints we hear most: does not detect or remove known malware the way a scanner does; alerts for legitimate installers need judgement from the user; macOS only, and requires Full Disk Access and system privileges.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces BlockBlock, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.