Avira Free Security for Windows vs Bitdefender GravityZone Business Security: side-by-side comparison (2026)

Avira Free Security for Windows: Free antivirus & security suite for Windows with VPN and system optimization. Built by Avira.

Bitdefender GravityZone Business Security: Endpoint protection platform for workstations, servers, and mobile devices. Built by Bitdefender.

The table above shows where their features, integrations, deployment and company size fit differ.

Avira Free Security for Windows is made by Avira. Bitdefender GravityZone Business Security is made by Bitdefender. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Avira Free Security for Windows and Bitdefender GravityZone Business Security are both Endpoint Protection Platform products. Key differences: Avira Free Security for Windows is Free while Bitdefender GravityZone Business Security is Commercial. Use the table above to see where features, deployment and company size fit differ.