PQShield UltraPQ-Suite vs QCS Post-Quantum Secure Backup (.qtm): side-by-side comparison (2026)

PQShield UltraPQ-Suite: Quantum-safe cryptographic software, hardware IP, and firmware upgrade solutions. Built by PQShield.

QCS Post-Quantum Secure Backup (.qtm): Post-quantum file archive format (.qtm) using Kyber/Dilithium for verifiable, offline. Built by QCS (Quantum Computing Solutions).

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

PQShield UltraPQ-Suite is made by PQShield. QCS Post-Quantum Secure Backup (.qtm) is made by QCS (Quantum Computing Solutions). The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. PQShield UltraPQ-Suite and QCS Post-Quantum Secure Backup (.qtm) are both Post-Quantum Cryptography products, and both cover Quantum Safe, Encryption. Use the table above to see where features, deployment and company size fit differ.