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Head-to-head · Application Security Testing

OWASP ZAP vs CodeSonar

  • Updated Sep 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score OWASP ZAP #2 in Application Security Testing 8.2/10 Free plan Free plan✓ 1 of 2 features Visit OWASP ZAP
CodeSonar #7 in Application Security Testing 6.8/10 Pricing on request ✓ 0 of 2 features Visit AdaCore

OWASP ZAP leads on 2 checks, CodeSonar on 0, and 0 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreOWASP ZAP · 8.2/10
  • Free planonly OWASP ZAP
  • Most featuresOWASP ZAP · 1 of 2

OWASP ZAP scores higher on our rubric for application security testing: 8.2 against 6.8 out of 10; our editors rank them #2 and #7.

OWASP ZAP offers free plan; CodeSonar doesn't publish it. OWASP ZAP offers api testing; CodeSonar doesn't publish it.

OWASP ZAP is the better fit for teams wanting free, flexible web and API testing. CodeSonar is the better fit for safety-critical teams needing deep static analysis.

  • OWASP ZAP fits best

    Teams wanting free, flexible web and API testing

  • CodeSonar fits best

    Safety-critical teams needing deep static analysis

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature OWASP ZAP 8.2/10 Visit ↗ CodeSonar 6.8/10 Visit ↗
At a glance
Editor score 8.2 6.8
Ranking #2 in Application Security Testing #7 in Application Security Testing
Best for Teams wanting free, flexible web and API testing Safety-critical teams needing deep static analysis
Pricing model Free Paid
Starting price Not published Not published
Free plan ✓ (best) Not published
Free trial — —
Deployment Self-hosted, Desktop, Browser extension Self-hosted, Cloud
Platforms Windows, macOS, Linux Windows, Linux, Web
Support Community, Docs Docs
Integrations 2 integrations 9 integrations
Built for Solo, Small business, Mid-market, Enterprise Mid-market, Enterprise
Features OWASP ZAP 1/2 · CodeSonar 0/2
SCA included Not published Not published
API testing ✓ (best) Not published
Specs
Testing methods Not published Not published
Languages supported Not published Not published
CI/CD integrations Not published Not published
Deployment options Not published Not published
Our review
Pros
  • Combines active and passive scans with traditional and browser-based spiders
  • Supports authenticated scans and OpenAPI, Swagger, and GraphQL API scanning
  • Offers a REST API, YAML-based automation, Docker scans, and an add-on marketplace
  • Analyzes execution paths with abstract interpretation and symbolic execution
  • Tracks tainted data and detects memory defects across whole programs
  • Supports coding standards and compiled-binary, mixed-language analysis
Cons
  • Focuses on web and API DAST rather than the wider AppSec lifecycle
  • Self-hosted deployment means teams run ZAP in their own environment
  • Support channels are community and documentation
  • Focused on static analysis rather than a broad range of AppSec testing types
  • Pricing requires contacting sales
  • Documentation is the listed support channel
Our verdict

OWASP ZAP is a free, open-source penetration-testing tool for finding vulnerabilities in web applications. Developers, testers, and security specialists can use it for web and API testing, whether working through its desktop application,…

Read the review →

CodeSonar is a static analysis and application security testing tool for C/C++ and other languages. AdaCore positions it for enterprise, embedded, safety-critical, and high-integrity software projects. Its whole-program analysis uses…

Read the review →
  1. OWASP ZAPApplication Security Testing 8.2Free plan
  2. CodeSonarApplication Security Testing 6.8Pricing on request

Strengths and trade-offs

  • OWASP ZAP — where it wins

    • Combines active and passive scans with traditional and browser-based spiders
    • Supports authenticated scans and OpenAPI, Swagger, and GraphQL API scanning
    • Offers a REST API, YAML-based automation, Docker scans, and an add-on marketplace

    Where it doesn't

    • Focuses on web and API DAST rather than the wider AppSec lifecycle
    • Self-hosted deployment means teams run ZAP in their own environment
    • Support channels are community and documentation

  • CodeSonar — where it wins

    • Analyzes execution paths with abstract interpretation and symbolic execution
    • Tracks tainted data and detects memory defects across whole programs
    • Supports coding standards and compiled-binary, mixed-language analysis

    Where it doesn't

    • Focused on static analysis rather than a broad range of AppSec testing types
    • Pricing requires contacting sales
    • Documentation is the listed support channel
  • OWASP ZAP8.2/10 · Free plan

    Free, flexible DAST for web apps and APIs, with scanning and automation options.

    Visit OWASP ZAPFull verdict →
  • CodeSonar6.8/10 · Pricing on request

    Whole-program static analysis for teams prioritizing code defects, vulnerabilities, and standards checks.

    Visit AdaCoreFull verdict →

More comparisons

All application security testing comparisons → · Full ranking →

Guides on application security testing

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update