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Head-to-head · Application Security Testing

Klocwork vs CodeSonar

  • Updated Oct 2026
  • Both researched from official sources
Higher score Klocwork #6 in Application Security Testing 8.7/10 Pricing on request ✓ 0 of 2 features Visit Klocwork
CodeSonar #7 in Application Security Testing 8.6/10 Pricing on request ✓ 0 of 2 features Visit AdaCore

Our verdict

  • Highest scoreKlocwork · 8.7/10

Klocwork scores higher on our rubric for application security testing: 8.7 against 8.6 out of 10; our editors rank them #6 and #7.

Klocwork is the better fit for mature teams doing code-focused SAST. CodeSonar is the better fit for safety-critical teams needing deep static analysis.

  • Klocwork fits best

    Mature teams doing code-focused SAST

  • CodeSonar fits best

    Safety-critical teams needing deep static analysis

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Klocwork 8.7/10 Visit ↗ CodeSonar 8.6/10 Visit ↗
At a glance
Editor score 8.7 8.6
Ranking #6 in Application Security Testing #7 in Application Security Testing
Best for Mature teams doing code-focused SAST Safety-critical teams needing deep static analysis
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Self-hosted, Cloud Self-hosted, Cloud
Platforms Web, Windows, Linux Windows, Linux, Web
Support Email, Phone, Tickets, Community, Docs Docs
Integrations 10 integrations 9 integrations
Built for Mid-market, Enterprise Mid-market, Enterprise
Features Klocwork 0/2 · CodeSonar 0/2
SCA included Not checked yet Not checked yet
API testing Not checked yet Not checked yet
Specs
Testing methods Not checked yet Not checked yet
Languages supported Not checked yet Not checked yet
CI/CD integrations Not checked yet Not checked yet
Deployment options Not checked yet Not checked yet
Our review
Pros
  • Differential analysis focuses reviews on changed code.
  • Custom checkers can be created graphically.
  • IDE plugins and CI/CD integrations support established workflows.
  • 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
  • Its focus is source-code analysis, not a multi-method AppSec suite.
  • Pricing is handled through contact with sales.
  • Support is not available 24/7.
  • 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

Klocwork is Perforce Software’s static application security testing and static code analysis tool for development and security teams working on complex codebases. It analyzes source code for security vulnerabilities, reliability defects,…

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. KlocworkApplication Security Testing 8.7Pricing on request
  2. CodeSonarApplication Security Testing 8.6Pricing on request

Strengths and trade-offs

  • Klocwork — where it wins

    • Differential analysis focuses reviews on changed code.
    • Custom checkers can be created graphically.
    • IDE plugins and CI/CD integrations support established workflows.

    Where it doesn't

    • Its focus is source-code analysis, not a multi-method AppSec suite.
    • Pricing is handled through contact with sales.
    • Support is not available 24/7.

  • 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
  • Klocwork8.7/10 · Pricing on request

    Code-focused SAST with differential scans, custom checkers, and CI/CD quality gates.

    Visit KlocworkFull verdict →
  • CodeSonar8.6/10 · 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 →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update