# AWS Key Management Service vs Azure Key Vault: side-by-side comparison (2026)

[AWS Key Management Service](https://cybersectools.com/tools/aws-key-management-service) is a commercial [key management](https://cybersectools.com/categories/key-management) solution by [Amazon Web Services, Inc](https://cybersectools.com/companies/amazon-web-services-inc). [Azure Key Vault](https://cybersectools.com/tools/key-vault) is a commercial [key management](https://cybersectools.com/categories/key-management) solution by [Microsoft](https://cybersectools.com/companies/microsoft). 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

| | AWS Key Management Service | Azure Key Vault |
|---|---|---|
| Pricing model | Commercial | Commercial |
| Category | Key Management | Key Management |
| Verified | No | No |
| Deployment type | Cloud | Cloud |
| Company size fit | Startup, SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | Amazon Web Services, Inc. | Microsoft |
| Headquarters | – | – |

### Use cases and capabilities

| | AWS Key Management Service | Azure Key Vault |
|---|---|---|
| Encryption | Yes | – |
| AWS | Yes | – |
| Azure | – | Yes |
| Secrets Management | – | Yes |

## Which one fits you

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

- [AWS Key Management Service](https://cybersectools.com/tools/aws-key-management-service) fits if you are a startup.

## AWS Key Management Service vs Azure Key Vault FAQ

Common questions when comparing AWS Key Management Service vs Azure Key Vault for key management.

### What is the difference between AWS Key Management Service and Azure Key Vault?

**AWS Key Management Service**: A cloud-based key management service for encrypting and digitally signing data. Built by Amazon Web Services, Inc.

**Azure Key Vault**: Microsoft Azure service for safeguarding cryptographic keys and secrets. Built by Microsoft.

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

### Who makes AWS Key Management Service and Azure Key Vault?

**AWS Key Management Service** is made by Amazon Web Services, Inc. **Azure Key Vault** is made by Microsoft. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

### Is AWS Key Management Service a good alternative to Azure Key Vault?

Often, yes. AWS Key Management Service and Azure Key Vault are both Key Management products. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [AWS Key Management Service vs Alibaba Cloud Key Management Service (KMS)](https://cybersectools.com/compare/alibaba-cloud-kms-vs-aws-key-management-service)
- [AWS Key Management Service vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/aws-key-management-service-vs-qxtm-applications-qxappstm)
- [AWS Key Management Service vs Securekey Group](https://cybersectools.com/compare/aws-key-management-service-vs-securekey-group)
- [Azure Key Vault vs Alibaba Cloud Key Management Service (KMS)](https://cybersectools.com/compare/alibaba-cloud-kms-vs-key-vault)
- [Azure Key Vault vs Qx™ Applications (QxApps™)](https://cybersectools.com/compare/key-vault-vs-qxtm-applications-qxappstm)
- [Azure Key Vault vs Securekey Group](https://cybersectools.com/compare/key-vault-vs-securekey-group)

## Alternatives to each

- [See all AWS Key Management Service alternatives](https://cybersectools.com/alternatives/aws-key-management-service)
- [See all Azure Key Vault alternatives](https://cybersectools.com/alternatives/key-vault)

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Source: https://cybersectools.com/compare/aws-key-management-service-vs-key-vault

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More on AWS Key Management Service and Azure Key Vault: 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