Primary Zero Trust Policy Engine vs Zscaler Private Access (ZPA): side-by-side comparison (2026)

Primary Zero Trust Policy Engine: Zero Trust policy engine for enterprise user, device, data & network security. Built by Primary.

Zscaler Private Access (ZPA): ZTNA solution providing secure user-to-app access without network exposure. Built by Zscaler.

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

Primary Zero Trust Policy Engine is made by Primary. Zscaler Private Access (ZPA) is made by Zscaler. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Primary Zero Trust Policy Engine and Zscaler Private Access (ZPA) are both Zero Trust Network Access products, and both cover ZTNA. Use the table above to see where features, deployment and company size fit differ.