Green Radar grKey vs Station70 Castle: Side-by-Side Comparison (2026)

Green Radar grKey: built by Green Radar..

Station70 Castle: Two-person approval and MFA gating for shared root and DNS accounts. built by Station70..

Both serve the Privileged Access Management market but differ in approach, feature depth, and target audience.

Green Radar grKey is developed by Green Radar. Station70 Castle is developed by Station70. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Green Radar grKey and Station70 Castle serve similar Privileged Access Management use cases: both are Privileged Access Management tools, both cover MFA, Authentication, Least Privilege. Review the feature comparison above to determine which fits your requirements.