# Application Gateway vs Array ASF Series Web Application Firewall: 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. [Array ASF Series Web Application Firewall](https://cybersectools.com/tools/array-asf-series-web-application-firewall) is a commercial [cloud web application and API protection](https://cybersectools.com/categories/cloud-waap) solution by [Array Networks](https://cybersectools.com/companies/array-networks). 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 | Array ASF Series Web Application Firewall |
|---|---|---|
| Pricing model | Free | Commercial |
| Category | Cloud Web Application and API Protection | Cloud Web Application and API Protection |
| Verified | No | No |
| Deployment type | Cloud | Hybrid |
| Company size fit | SMB, Mid-Market, Enterprise | SMB, Mid-Market, Enterprise |
| Company | – | Array Networks |
| Headquarters | – | – |

### Use cases and capabilities

| | Application Gateway | Array ASF Series Web Application Firewall |
|---|---|---|
| Azure | Yes | – |
| Infrastructure | Yes | – |
| DDoS | – | Yes |
| SSL | – | Yes |
| WAF | – | Yes |
| Web Security | – | Yes |

### Core features

**Application Gateway**

No features listed.

**Array ASF Series Web Application Firewall**

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

### Integrations

**Application Gateway**

No integrations listed.

**Array ASF Series Web Application Firewall**

6 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.
- [Array ASF Series Web Application Firewall](https://cybersectools.com/tools/array-asf-series-web-application-firewall) fits if you need both cloud and on-premises options.

## Application Gateway vs Array ASF Series Web Application Firewall FAQ

Common questions when comparing Application Gateway vs Array ASF Series Web Application Firewall for cloud web application and API protection.

### What is the difference between Application Gateway and Array ASF Series Web Application Firewall?

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

**Array ASF Series Web Application Firewall**: WAF protecting web apps from OWASP Top 10, DDoS, and zero-day attacks. Built by Array Networks.

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

### Is Application Gateway a good alternative to Array ASF Series Web Application Firewall?

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

## Related comparisons

- [Application Gateway vs Myra Application Security](https://cybersectools.com/compare/application-gateway-vs-myra-application-security)
- [Application Gateway vs Cloudflare WAF](https://cybersectools.com/compare/application-gateway-vs-cloudflare-waf)
- [Application Gateway vs Imperva Application Security](https://cybersectools.com/compare/application-gateway-vs-imperva-application-security)
- [Array ASF Series Web Application Firewall vs Myra Application Security](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-myra-application-security)
- [Array ASF Series Web Application Firewall vs Cloudflare WAF](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-cloudflare-waf)
- [Array ASF Series Web Application Firewall vs Imperva Application Security](https://cybersectools.com/compare/array-asf-series-web-application-firewall-vs-imperva-application-security)

## Alternatives to each

- [See all Application Gateway alternatives](https://cybersectools.com/alternatives/application-gateway)
- [See all Array ASF Series Web Application Firewall alternatives](https://cybersectools.com/alternatives/array-asf-series-web-application-firewall)

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Source: https://cybersectools.com/compare/application-gateway-vs-array-asf-series-web-application-firewall

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 Array ASF Series Web Application Firewall: 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