Developer Tools·Standings

Compare Code Complexity Analyzers

Code complexity analyzers measure how difficult code may be to understand or maintain. Compare the complexity metrics they report and the languages they support.

The board's signal score is out of 10. API, open-source and free-tier marks show whether those options are available; compare platforms and pricing details for fit.

  • 18 platforms
  • 2 with a public API on this page
  • 15 with a free tier
  • Checked 10 Oct 2026
  1. 1
    Q
    Qodanajetbrains.com

    Static code analysis service that finds complexity, duplicates, vulnerabilities, and license issues.

    6.7 APIOpenFree Free tier · from $5/mo
  2. 2
    U
    Understandscitools.com

    A code-comprehension tool that maps links between code elements.

    6.6 APIOpenFree Free tier · from $100/mo
  3. 3
    P
    PMDpmd.github.io

    A free tool that checks code against built-in rules and flags copied sections.

    6.6 APIOpenFree Free tier
  4. 4
    QC
    Qlty Cloudqlty.sh

    A cloud service that checks code and coverage and comments on pull requests.

    6.4 APIOpenFree Free tier · from $20/mo
  5. 5
    VS
    Visual Studiovisualstudio.microsoft.com

    Windows IDE for building apps and services, with code completion and debugging assistance.

    6.3 APIOpenFree Free tier
  6. 6
    C
    CodeScenecodescene.com

    Code review software that combines source analysis with insights into how code changes over time.

    6.2 APIOpenFree Free tier · from €18/mo
  7. 7
    CH
    CAST Highlightcastsoftware.com

    Portfolio software that measures code size and complexity and estimates cloud readiness and migration effort.

    6.0 APIOpenFree From $6,800/yr
  8. 8
    C
    Codacycodacy.com

    Code quality and security service that reviews pull requests and suggests fixes.

    5.9 APIOpenFree Free tier · from $18/yr
  9. 9
    N
    NDependndepend.com

    Code quality and security analyzer for .NET with rules and architecture diagrams.

    5.6 APIOpenFree —
  10. 10
    C
    ccccgithub.com
    5.1 APIOpenFree Free tier
  11. 11
    CC
    Code Complexityplugins.jetbrains.com

    Free IDE plugin that displays cognitive complexity for code in five languages.

    5.1 APIOpenFree Free tier
  12. 12
    CI
    Code Inspectorgithub.com

    Free analyzer for code complexity, hotspots, and pull request checks.

    5.1 APIOpenFree Free tier
  13. 13
    C
    5.1 APIOpenFree Free tier
  14. 14
    L
    Lizardgithub.com

    A free tool that measures code complexity on Linux, macOS, and Windows.

    5.1 APIOpenFree Free tier
  15. 15
    S
    sccachegithub.com
    5.1 APIOpenFree Free tier
  16. 16
    C
    complexitygithub.com

    Free macOS tool for finding code complexity hotspots.

    4.8 APIOpenFree Free tier
  17. 17
    CC
    Cognitive Code Analysisgithub.com

    Free analyzer that measures code complexity, identifies hotspots, and tracks trends.

    4.6 APIOpenFree Free tier
  18. 18
    S
    SourceMetersourcemeter.com

    Software for examining code on Linux and Windows.

    4.2 APIOpenFree —

Places #1, #2, #3, #4, #5 on this board are open to sponsors. Take #1 · Other ways to advertise

How to choose

Which programming languages does it support?

Choose a tool that covers the languages in the code you need to review. Supported languages are one of the comparison points on this board.

Can it give feedback in my IDE?

Check for IDE feedback if you want complexity guidance while working in an editor. The board also compares platform options, including Linux, Windows, macOS, web and extensions.

Can it flag complex code in pull requests?

Look for pull-request gates if your review process needs a complexity check before code is merged. Hotspot detection can help identify areas to examine, while trend history shows how metrics change over time.

Can I use a free plan or trial?

Check the free-plan and trial details separately: a trial is temporary, while a free plan is an ongoing pricing option. Compare paid starting prices where listed, and confirm the terms with the maker.

Does it offer an API or open-source code?

Check whether a public API is available if you need to connect analysis to other tools. If you need to inspect or change the analyzer itself, verify its licence; the board marks API and open-source availability.

Questions

What does a code complexity analyzer do?

It measures complexity in source code, helping teams identify code that may be harder to understand or maintain.

Which code complexity metrics should I compare?

Compare the metrics each analyzer reports, along with supported languages, hotspot detection and trend history.

Can a code complexity analyzer check pull requests?

Some tools provide pull-request gates. Check the tool's details to see whether it can apply a complexity check during your review workflow.

Are code complexity analyzers free?

Free plans and trials vary by tool. Check both the free-plan mark and pricing details; a trial is temporary.

Can I use a code complexity analyzer in my IDE?

The board compares IDE feedback and platform options, including extensions. Check a tool's details for support for your IDE.

Do code complexity analyzers offer APIs or open-source code?

The board marks public API and open-source availability. Check those marks and confirm details with the maker before choosing.

Some top positions on this board can be paid placements, standing where they were sold. The facts on each platform are not for sale. How we rank · Disclosure