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Full 110-control SPRS calculator from Petronella Technology Group. Technically accurate with correct SPRS point weights and real-time score gauge. The reference standard for accuracy among free tools, but assumes the user already understands every NIST control.

All 110 controls presented as a checkbox wall with binary yes/no only. No plain-English guidance, no partial implementation option, no remediation context.

110-practice self-assessment tool from Hive Systems (known for password security research). Offers MET/NOT MET/N/A response options and outputs an SPRS score. Correct assessment structure, but zero value delivered before the email gate.

The entire assessment is locked behind a HubSpot email form. You cannot see a single question or preview the output before surrendering your contact information.

Quick 3-minute quiz from CMMC First with clean UX and instant results. Three-tier output (Early Stage / In Progress / Nearly Certified). Best low-friction experience among quiz-format tools, but sacrifices accuracy for speed.

Only 10 questions mapped to a custom 0–100 score that does not correspond to the official SPRS scale. Domain experts will dismiss the output because it doesn’t use the DoD standard metric.

Full-featured GRC platform with CMMC Level 2 self-assessment capability. Includes remediation workflows, evidence management, and multi-framework support. The right tool if you can afford it and need ongoing compliance management across multiple frameworks.

Enterprise GRC platform priced for mid-to-large organizations. The self-assessment feature exists within a comprehensive compliance platform that small defense subcontractors can’t justify.