# DuoKey vs GPG Sync: side-by-side comparison (2026)

[DuoKey](https://cybersectools.com/tools/duokey) is a commercial [key management](https://cybersectools.com/categories/key-management) solution by [DuoKey](https://cybersectools.com/companies/duokey). [GPG Sync](https://cybersectools.com/tools/gpg-sync) is a free [key management](https://cybersectools.com/categories/key-management) solution. Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Key Management Solutions for Business](https://cybersectools.com/shortlists/best-key-management-solutions) picks Thales CipherTrust Manager, Fortanix Data Security Manager, Futurex CryptoHub and 3 more.

## Side-by-side comparison

| | DuoKey | GPG Sync |
|---|---|---|
| Pricing model | Commercial | Free |
| Category | Key Management | Key Management |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | Mid-Market, Enterprise | Startup, SMB, Mid-Market, Enterprise |
| GitHub stars | – | 350 |
| Last commit | – | Feb 2021 |
| Company | DuoKey | – |
| Headquarters | – | – |

### Use cases and capabilities

| | DuoKey | GPG Sync |
|---|---|---|
| Key Management | Yes | – |
| Encryption | Yes | Yes |
| Cloud Native | Yes | – |
| Microsoft 365 | Yes | – |
| AWS Security | Yes | – |
| GDPR | Yes | – |
| Quantum Safe | Yes | – |
| IoT Security | Yes | – |
| Secrets Management | Yes | – |
| Crypto | Yes | – |

### Core features

**DuoKey**

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

**GPG Sync**

No features listed.

### Integrations

**DuoKey**

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

**GPG Sync**

No integrations listed.

## Which one fits you

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

- [DuoKey](https://cybersectools.com/tools/duokey) fits if you want a cloud product.
- [GPG Sync](https://cybersectools.com/tools/gpg-sync) fits if you need to run it on your own servers, you are a startup or a small business, you need a free product and you want an open-source product.

## DuoKey vs GPG Sync FAQ

Common questions when comparing DuoKey vs GPG Sync for key management.

### What is the difference between DuoKey and GPG Sync?

**DuoKey**: Cloud encryption & customer-controlled key management for SaaS/cloud data, built by DuoKey.

**GPG Sync**: GPG Sync is a tool designed to keep OpenPGP public keys up-to-date within an organization by offloading the complexity of key management to a single trusted person.

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

### Who makes DuoKey and GPG Sync?

**DuoKey** is made by DuoKey. **GPG Sync** is open-source with 350 GitHub stars. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is DuoKey a good alternative to GPG Sync?

Often, yes. DuoKey and GPG Sync are both Key Management products, and both cover Encryption. Key differences: DuoKey is Commercial while GPG Sync is Free, GPG Sync is open-source. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [DuoKey vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/duokey-vs-qxtm-applications-qxappstm)
- [DuoKey vs Webray Satellite Key Mgmt Center](https://cybersectools.com/compare/duokey-vs-webray-satellite-key-mgmt-center)
- [DuoKey vs MPCH](https://cybersectools.com/compare/duokey-vs-mpch)
- [GPG Sync vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/gpg-sync-vs-qxtm-applications-qxappstm)
- [GPG Sync vs Webray Satellite Key Mgmt Center](https://cybersectools.com/compare/gpg-sync-vs-webray-satellite-key-mgmt-center)
- [GPG Sync vs MPCH](https://cybersectools.com/compare/gpg-sync-vs-mpch)

## Alternatives to each

- [See all DuoKey alternatives](https://cybersectools.com/alternatives/duokey)
- [See all GPG Sync alternatives](https://cybersectools.com/alternatives/gpg-sync)

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Source: https://cybersectools.com/compare/duokey-vs-gpg-sync

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

More on DuoKey and GPG Sync: 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