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Head-to-head · Application Security Testing

Checkmarx One vs Klocwork

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Checkmarx One #3 in Application Security Testing 9.0/10 Pricing on request ✓ 0 of 2 features Visit Checkmarx
Klocwork #6 in Application Security Testing 8.7/10 Pricing on request ✓ 0 of 2 features Visit Klocwork

Checkmarx One leads on 0 checks, Klocwork 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 · 9.0/10

Checkmarx One scores higher on our rubric for application security testing: 9.0 against 8.7 out of 10; our editors rank them #3 and #6.

Checkmarx One is the better fit for enterprise teams prioritizing code security. Klocwork is the better fit for mature teams doing code-focused SAST.

  • Checkmarx One fits best

    Enterprise teams prioritizing code security

  • Klocwork fits best

    Mature teams doing code-focused SAST

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 Checkmarx One 9.0/10 Visit ↗ Klocwork 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #3 in Application Security Testing #6 in Application Security Testing
Best for Enterprise teams prioritizing code security Mature teams doing code-focused SAST
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan — Not checked yet
Free trial — —
Deployment Cloud Self-hosted, Cloud
Platforms Web Web, Windows, Linux
Support Docs Email, Phone, Tickets, Community, Docs
Compliance SOC 2, ISO 27001, GDPR SSO/SAML
Integrations 17 integrations 10 integrations
Built for Enterprise Mid-market, Enterprise
Features Checkmarx One 0/2 · Klocwork 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
  • 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.
  • Differential analysis focuses reviews on changed code.
  • Custom checkers can be created graphically.
  • IDE plugins and CI/CD integrations support established workflows.
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.
  • 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.
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 →

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 →
  1. Checkmarx OneApplication Security Testing 9.0Pricing on request
  2. KlocworkApplication Security Testing 8.7Pricing 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.

  • 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.
  • Checkmarx One9.0/10 · Pricing on request

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

    Visit CheckmarxFull verdict →
  • Klocwork8.7/10 · Pricing on request

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

    Visit KlocworkFull 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