OWASP ZAP vs Grype: Which Should You Choose in 2026?
Choosing between OWASP ZAP and Grype comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
OWASP ZAP
Open-source web application security scanner
Best for you if:
- • You want the higher-rated option (8.5/10 vs 8.4/10)
- • OWASP ZAP is a free security testing tool for finding web application vulnerabilities
- • It scans for security issues with automated and manual testing capabilities
Grype
Vulnerability scanner for container images
Best for you if:
- • Grype is an open-source vulnerability scanner for container images and filesystems
- • It scans for known vulnerabilities using multiple databases with fast results
| At a Glance |  OWASP ZAP |  Grype |
|---|---|---|
Price | Free | Free |
Best For | Vulnerability Scanning | Vulnerability Scanning |
Rating | 85/100 | 84/100 |
| Feature | OWASP ZAP | Grype |
|---|---|---|
| Pricing Model | Free | Free |
| Editorial Score | 85 | 84 |
| Community Rating | No ratings yet | No ratings yet |
| Total Reviews | 0 | 0 |
| Community Upvotes | 0 | 0 |
| Categories | Vulnerability ScanningTesting & QA | Vulnerability ScanningCI/CD |
Understanding the Differences
Both OWASP ZAP and Grype solve similar problems, but they approach them differently.OWASP ZAP positions itself as "open-source web application security scanner" while Grypefocuses on "vulnerability scanner for container images". These differences matter depending on what you're trying to accomplish.
When to Choose OWASP ZAP
OWASP ZAP makes sense if you're looking for a completely free solution. With a score of 85/100, it's our top pick in this comparison.
When to Choose Grype
Grype is worth considering if you need a free tool.
Who Should Use What?
Bootstrapped or small team?
When every dollar counts, OWASP ZAP lets you get started without pulling out your credit card.
We'd pick: OWASP ZAP
Growing fast?
Your team doubled last quarter and you need tools that won't break when you add 50 more people. OWASP ZAP handles scale better in our testing.
We'd pick: OWASP ZAP
Enterprise with complex needs?
You need SSO, compliance certifications, and a support team that picks up the phone. Both have enterprise tiers—compare their security features.
We'd pick: OWASP ZAP
Still not sure? Answer these 3 questions
How much can you spend?
Nothing at all? OWASP ZAP is completely free.
Do you care what other users think?
Both have similar review counts. Read a few before you commit.
Expert opinion or crowd wisdom?
Our team rated OWASP ZAP higher (85/100). But the community has upvoted Grype more (0 votes). Pick your source of truth.
Key Takeaways
What OWASP ZAP Does Better
- Higher overall score (85/100)
- Our recommendation for most use cases
Consider Grype If
- You need a completely free solution
- Its specific features better match your workflow
- You prefer its interface or design approach
The Bottom Line
If we had to pick one, we'd go with OWASP ZAP (85/100). But the honest answer is that "better" depends on your situation. OWASP ZAP scores higher in our analysis, but Grype might be the right choice if its specific strengths align with what you need most. Take advantage of free trials to test both before committing.
Frequently Asked Questions
Is OWASP ZAP or Grype better?
Based on our analysis, OWASP ZAP scores higher with 85/100. OWASP ZAP isfree while Grype is free. The best choice depends on your specific needs and budget. We recommend testing both with free trials if available.
Can I switch from OWASP ZAP to Grype easily?
Migration difficulty varies. Check if both tools support data export/import in compatible formats. Some tools offer migration assistance or have integration partners who can help with the transition.
Do OWASP ZAP and Grype offer free trials?
Most software in this category offers free trials or free tiers. OWASP ZAP is completely free.Grype is completely free. Visit their websites for current trial offers.