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Head-to-head · Application Security Testing

Checkmarx One vs CodeSonar

  • Updated Sep 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Checkmarx One #3 in Application Security Testing 7.7/10 Pricing on request ✓ 0 of 2 features Visit Checkmarx
CodeSonar #7 in Application Security Testing 6.8/10 Pricing on request ✓ 0 of 2 features Visit AdaCore

Checkmarx One leads on 0 checks, CodeSonar on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreCheckmarx One · 7.7/10

Checkmarx One scores higher on our rubric for application security testing: 7.7 against 6.8 out of 10; our editors rank them #3 and #7.

Checkmarx One is the better fit for enterprise teams prioritizing code security. CodeSonar is the better fit for safety-critical teams needing deep static analysis.

  • Checkmarx One fits best

    Enterprise teams prioritizing code security

  • 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 Checkmarx One 7.7/10 Visit ↗ CodeSonar 6.8/10 Visit ↗
At a glance
Editor score 7.7 6.8
Ranking #3 in Application Security Testing #7 in Application Security Testing
Best for Enterprise teams prioritizing code security Safety-critical teams needing deep static analysis
Pricing model Paid Paid
Starting price Not published Not published
Free plan — Not published
Free trial — —
Deployment Cloud Self-hosted, Cloud
Platforms Web Windows, Linux, Web
Support Docs Docs
Integrations 17 integrations 9 integrations
Built for Enterprise Mid-market, Enterprise
Features Checkmarx One 0/2 · CodeSonar 0/2
SCA included Not published Not published
API testing Not published 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
  • Scans source code in pull requests and decorates pull requests with findings.
  • Supports IDE plugins, CI/CD plugins and CLI-based pipeline integration.
  • Combines SAST, SCA, posture governance and AI-assisted triage and remediation.
  • 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
  • No permanently free plan is available.
  • Pricing is custom-quoted based on developer seats, applications and usage.
  • Cloud deployment and documentation support may not suit every team's requirements.
  • 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

Checkmarx One is a cloud-delivered application security platform for enterprise development teams that need to identify and manage vulnerabilities across software development. Its capabilities include static application security testing of…

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. Checkmarx OneApplication Security Testing 7.7Pricing on request
  2. CodeSonarApplication Security Testing 6.8Pricing on request

Strengths and trade-offs

  • Checkmarx One — where it wins

    • Scans source code in pull requests and decorates pull requests with findings.
    • Supports IDE plugins, CI/CD plugins and CLI-based pipeline integration.
    • Combines SAST, SCA, posture governance and AI-assisted triage and remediation.

    Where it doesn't

    • No permanently free plan is available.
    • Pricing is custom-quoted based on developer seats, applications and usage.
    • Cloud deployment and documentation support may not suit every team's requirements.

  • 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
  • Checkmarx One7.7/10 · Pricing on request

    Enterprise-focused SAST with pull-request, IDE, CI/CD, SCA and governance workflows.

    Visit CheckmarxFull 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