# Arqit Encryption Intelligence vs Post-Quantum Quantum Safe Platform: side-by-side comparison (2026)

[Arqit Encryption Intelligence](https://cybersectools.com/tools/arqit-encryption-intelligence) is a commercial [cryptographic inventory & crypto-agility](https://cybersectools.com/categories/crypto-inventory-agility) solution by [Arqit](https://cybersectools.com/companies/arqit). [Post-Quantum Quantum Safe Platform](https://cybersectools.com/tools/post-quantum-quantum-safe-platform) is a commercial [post-quantum cryptography](https://cybersectools.com/categories/post-quantum-cryptography) solution by [Post-Quantum](https://cybersectools.com/companies/post-quantum). Features, integrations, deployment and the company behind each one, side by side.

## Our take

What our shortlists say about the one we picked.

### [Post-Quantum Quantum Safe Platform](https://cybersectools.com/tools/post-quantum-quantum-safe-platform)

Best for: Enterprises needing quantum-safe VPN, messaging, and identity in one suite

The modular architecture covering identity, VPN, and messaging in one platform is convenient but also means you are buying a suite rather than best-of-breed components. If you only need quantum-safe VPN, you are still buying into the broader platform. The backward compatibility with legacy infrastructure and hybrid classical and post-quantum approach means you do not have to rip and replace existing systems, which is the right design for any realistic enterprise migration.

From [Best Post-Quantum Cryptography Solutions for Business](https://cybersectools.com/shortlists/best-post-quantum-cryptography-solutions), Fall 2026.

Reviewed by [Nika (Nikoloz) Kokhreidze](https://cybersectools.com/about).

## Side-by-side comparison

| | Arqit Encryption Intelligence | Post-Quantum Quantum Safe Platform |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Cryptographic Inventory & Crypto-Agility | Post-Quantum Cryptography |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | Mid-Market, Enterprise | Mid-Market, Enterprise |
| Company | Arqit | Post-Quantum |
| Headquarters | – | – |

### Use cases and capabilities

| | Arqit Encryption Intelligence | Post-Quantum Quantum Safe Platform |
|---|---|---|
| Quantum Safe | Yes | Yes |
| Inventory | Yes | – |
| Encryption | – | Yes |

### Core features

**Arqit Encryption Intelligence**

8 features listed. Sign in on the page to see them.

**Post-Quantum Quantum Safe Platform**

10 features listed. Sign in on the page to see them.

### Integrations

**Arqit Encryption Intelligence**

No integrations listed.

**Post-Quantum Quantum Safe Platform**

2 integrations listed. Sign in on the page to see them.

## Which one fits you

Based on what each listing shows: deployment, company size, price and open source.

- [Arqit Encryption Intelligence](https://cybersectools.com/tools/arqit-encryption-intelligence) fits if you want a cloud product.
- [Post-Quantum Quantum Safe Platform](https://cybersectools.com/tools/post-quantum-quantum-safe-platform) fits if you need both cloud and on-premises options.

## Arqit Encryption Intelligence vs Post-Quantum Quantum Safe Platform FAQ

Common questions when comparing Arqit Encryption Intelligence vs Post-Quantum Quantum Safe Platform for cryptographic inventory & crypto-agility.

### What is the difference between Arqit Encryption Intelligence and Post-Quantum Quantum Safe Platform?

**Arqit Encryption Intelligence**: Crypto risk assessment & PQC migration planning platform for enterprises. Built by Arqit.

**Post-Quantum Quantum Safe Platform**: Modular PQC platform covering identity, VPN, and messaging security. Built by Post-Quantum.

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

### Who makes Arqit Encryption Intelligence and Post-Quantum Quantum Safe Platform?

**Arqit Encryption Intelligence** is made by Arqit. **Post-Quantum Quantum Safe Platform** is made by Post-Quantum. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is Arqit Encryption Intelligence a good alternative to Post-Quantum Quantum Safe Platform?

In part. Arqit Encryption Intelligence and Post-Quantum Quantum Safe Platform are not in the same category on CybersecTools. Both cover Quantum Safe. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Arqit Encryption Intelligence vs Quantanaut](https://cybersectools.com/compare/arqit-encryption-intelligence-vs-quantanaut)
- [Arqit Encryption Intelligence vs QuSecure QuProtect R3](https://cybersectools.com/compare/arqit-encryption-intelligence-vs-qusecure-quprotect-r3)
- [Arqit Encryption Intelligence vs ISARA Advance](https://cybersectools.com/compare/arqit-encryption-intelligence-vs-isara-advance)
- [Post-Quantum Quantum Safe Platform vs Quantanaut](https://cybersectools.com/compare/post-quantum-quantum-safe-platform-vs-quantanaut)
- [Post-Quantum Quantum Safe Platform vs QuSecure QuProtect R3](https://cybersectools.com/compare/post-quantum-quantum-safe-platform-vs-qusecure-quprotect-r3)
- [Post-Quantum Quantum Safe Platform vs ISARA Advance](https://cybersectools.com/compare/isara-advance-vs-post-quantum-quantum-safe-platform)

## Alternatives to each

- [See all Arqit Encryption Intelligence alternatives](https://cybersectools.com/alternatives/arqit-encryption-intelligence)
- [See all Post-Quantum Quantum Safe Platform alternatives](https://cybersectools.com/alternatives/post-quantum-quantum-safe-platform)

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Source: https://cybersectools.com/compare/arqit-encryption-intelligence-vs-post-quantum-quantum-safe-platform

For AI agents: each product above has its own Markdown page (add .md to its URL, for example https://cybersectools.com/tools/arqit-encryption-intelligence.md). Every CybersecTools shortlist is listed at https://cybersectools.com/shortlists.md.

More on Arqit Encryption Intelligence and Post-Quantum Quantum Safe Platform: funding, momentum, hiring and news, plus the full product and company record, are available through the Mandos MCP Server (paid plans), which connects to AI assistants: https://mandos.io/mcp?utm_source=cybersectools.com&utm_medium=compare-md
