AVG AntiVirus FREE is a commercial endpoint protection platform solution by AVG. OnSystem Logic OnSystem Defender is a commercial endpoint protection platform solution by OnSystem Logic. Features, integrations, deployment and the company behind each one, side by side.
Free antivirus software for virus scanning, detection, and removal
Endpoint app control & memory protection to prevent malware execution on Windows.
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Based on what each listing shows: deployment, company size, price and open source.
AVG AntiVirus FREE fits if you want a cloud product and you are a startup.
OnSystem Logic OnSystem Defender fits if you need to run it on your own servers and you are a mid-market company or an enterprise.
Common questions when comparing AVG AntiVirus FREE vs OnSystem Logic OnSystem Defender for endpoint protection platform.
AVG AntiVirus FREE: Free antivirus software for virus scanning, detection, and removal, built by AVG.
OnSystem Logic OnSystem Defender: Endpoint app control & memory protection to prevent malware execution on Windows, built by OnSystem Logic.
The table above shows where their features, integrations, deployment and company size fit differ.
AVG AntiVirus FREE is made by AVG. OnSystem Logic OnSystem Defender is made by OnSystem Logic. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.
Often, yes. AVG AntiVirus FREE and OnSystem Logic OnSystem Defender are both Endpoint Protection Platform products. Use the table above to see where features, deployment and company size fit differ.
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Updated 2026-11-01
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