# Application Gateway vs Blackwall GateKeeper: side-by-side comparison (2026)

[Application Gateway](https://cybersectools.com/tools/application-gateway) is a free [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution. [Blackwall GateKeeper](https://cybersectools.com/tools/blackwall-customer-login) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Blackwall](https://cybersectools.com/companies/blackwall). Features, integrations, deployment and the company behind each one, side by side.

Need the answer fast? [Best Cloud WAAP Solutions for Business](https://cybersectools.com/shortlists/best-cloud-waap-solutions) picks Cloudflare WAF, Akamai App & API Protector, Imperva Web Application Firewall (WAF) and 3 more.

## Side-by-side comparison

| | Application Gateway | Blackwall GateKeeper |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Cloud Web Application and API Protection | Cloud Web Application and API Protection |
| Verified | No | No |
| Deployment type | Cloud | On-Premises |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | – | Blackwall |
| Headquarters | – | – |

### Use cases and capabilities

| | Application Gateway | Blackwall GateKeeper |
|---|---|---|
| Azure | Yes | – |
| Infrastructure | Yes | – |
| DDoS | – | Yes |
| WAF | – | Yes |
| Web Security | – | Yes |
| TLS | – | Yes |
| REST API | – | Yes |

### Core features

**Application Gateway**

No features listed.

**Blackwall GateKeeper**

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

### Integrations

**Application Gateway**

No integrations listed.

**Blackwall GateKeeper**

9 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.

- [Application Gateway](https://cybersectools.com/tools/application-gateway) fits if you want a cloud product and you need a free product.
- [Blackwall GateKeeper](https://cybersectools.com/tools/blackwall-customer-login) fits if you need to run it on your own servers.

## Application Gateway vs Blackwall GateKeeper FAQ

Common questions when comparing Application Gateway vs Blackwall GateKeeper for cloud web application and API protection.

### What is the difference between Application Gateway and Blackwall GateKeeper?

**Application Gateway**: Load-balancing solution by Microsoft Azure with global infrastructure and financial guidance.

**Blackwall GateKeeper**: Web security & traffic filtering platform for hosting providers. Built by Blackwall.

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

### Is Application Gateway a good alternative to Blackwall GateKeeper?

Often, yes. Application Gateway and Blackwall GateKeeper are both Cloud Web Application and API Protection products. Key differences: Application Gateway is Free while Blackwall GateKeeper is Commercial. Use the table above to see where features, deployment and company size fit differ.

## Related comparisons

- [Application Gateway vs PIOLINK WEBFRONT-K](https://cybersectools.com/compare/application-gateway-vs-piolink-webfront-k)
- [Application Gateway vs Cloudflare WAF](https://cybersectools.com/compare/application-gateway-vs-cloudflare-waf)
- [Application Gateway vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/application-gateway-vs-array-asf-series-web-application-firewall)
- [Blackwall GateKeeper vs PIOLINK WEBFRONT-K](https://cybersectools.com/compare/blackwall-customer-login-vs-piolink-webfront-k)
- [Blackwall GateKeeper vs Cloudflare WAF](https://cybersectools.com/compare/blackwall-customer-login-vs-cloudflare-waf)
- [Blackwall GateKeeper vs Array ASF Series Web Application Firewall](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-blackwall-customer-login)

## Alternatives to each

- [See all Application Gateway alternatives](https://cybersectools.com/alternatives/application-gateway)
- [See all Blackwall GateKeeper alternatives](https://cybersectools.com/alternatives/blackwall-customer-login)

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Source: https://cybersectools.com/compare/application-gateway-vs-blackwall-customer-login

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

More on Application Gateway and Blackwall GateKeeper: 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