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2 Free Azure WAF Alternatives Ranked by Real Users (2026)

Explore 2 alternatives to Azure WAF — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 2 best free Azure WAF alternatives this year

Quick answer

For most teams, the best Azure WAF alternatives are Prophaze and Modshield SB. Prophaze leads with a SpotScore of -1. The table compares all 2 on score, rating, and price below.

Switching away from Azure WAF is easier when you know which tools actually deliver. These 2 web application firewall (waf) software free alternatives earned their spots on SpotScore (verified user satisfaction plus market presence), star ratings, and pricing. Our editors vet each one. The table gives you the quick comparison; the sections below give you the why.

ProductSpotScoreRatingPricingBest for
ProphazeStay ahead of cyber threats with Prophaze's advanced protection.—Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
Modshield SBStay one step ahead of cyber threats.—Not yet ratedFreeFree Trial · Quotation Basedteams of all sizes
Prophaze

Prophaze

Stay ahead of cyber threats with Prophaze's advanced protection.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Prophaze?

Prophaze is a Web Application Firewall (WAF) built for Kubernetes that provides application-layer security and scales with website traffic. It automates threat detection, delivers real-time visibility into web traffic activity, and reduces incident response time for security events.

Read more about Prophaze
Free Trial·

Prophaze offers custom pricing plan

Modshield SB

Modshield SB

Stay one step ahead of cyber threats.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Modshield SB?

Modshield SB is a web application firewall that blocks SQL injection, cross-site scripting (XSS), and cross-site request forgery (CSRF) by intercepting malicious traffic before it reaches the application server. It includes geographic traffic controls for whitelisting or blacklisting by ...

Read more about Modshield SB
Free Trial·

Modshield SB offers custom pricing plan

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What each pick gets right

ProphazeBest for teams of all sizes
Modshield SBBest for teams of all sizes

Why teams look for a Azure WAF alternative

Most Azure WAF alternative searches trace back to a short list of frustrations:

  • Complex configuration for beginners
  • Costs can increase with scale and features
  • Limited support outside Azure environment

How to judge a Azure WAF alternative

What sets these 2 free alternatives apart, in the numbers: 2 offer a free tier.

How the scoring works.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Azure WAF are Prophaze, Modshield SB. Compare all 2 alternatives side-by-side above.

When evaluating alternatives to Azure WAF, prioritize: OWASP Top 10 Protection, Custom Rules, Bot Protection, DDoS Protection, API Security, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Azure WAF is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend shortlisting 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to pick the Azure WAF alternative that fits you

  • On a budget / just exploring: start with a free tier — Prophaze and Modshield SB let you evaluate without paying upfront.
  • Want the safest pick: Prophaze has the highest Spotsaas Score (-1) in this list — a strong default if you're unsure.

Making the jump from Azure WAF

Before you cut over from Azure WAF, secure your data. Export it, test the import into the new tool, and make sure your core workflows carry through. Pilot on a free trial before going live, and don't close Azure WAF until the migration's complete.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].