Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Code Clone Detection Tools

PMD vs QuickDup

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score PMD #3 in Code Clone Detection Tools 9.0/10 Free plan Free plan✓ 0 of 3 features Visit PMD
QuickDup #7 in Code Clone Detection Tools 8.5/10 Open source ✓ 2 of 3 features Visit QuickDup

PMD leads on 0 checks, QuickDup on 0, and 4 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePMD · 9.0/10
  • Free planonly PMD
  • Most featuresQuickDup · 2 of 3

PMD scores higher on our rubric for code clone detection tools: 9.0 against 8.5 out of 10; our editors rank them #3 and #7.

PMD is the better fit for teams wanting clones plus broad static analysis. QuickDup is the better fit for teams reviewing clones in GitHub pull requests.

  • PMD fits best

    Teams wanting clones plus broad static analysis

  • QuickDup fits best

    Teams reviewing clones in GitHub pull requests

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 PMD 9.0/10 Visit ↗ QuickDup 8.5/10 Visit ↗
At a glance
Editor score 9.0 8.5
Ranking #3 in Code Clone Detection Tools #7 in Code Clone Detection Tools
Best for Teams wanting clones plus broad static analysis Teams reviewing clones in GitHub pull requests
Pricing model Free Free
Starting price Free plan Open source
Free plan ✓ (best) Not checked yet
Free trial — —
Deployment Self-hosted, Desktop Self-hosted
Platforms Windows, Linux, macOS Windows, macOS, Linux
Support Docs Docs
Integrations 10 integrations 1 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market
Features PMD 0/3 · QuickDup 2/3
CI integration Not checked yet ✓ (best)
IDE integration Not checked yet —
Self-hosted option Not checked yet ✓ (best)
Specs
Clone detection method Not checked yet Hybrid
Scan scope Not checked yet Repository
Supported languages Not checked yet Not checked yet
Our review
Pros
  • CPD detects duplicated code alongside 400+ built-in analysis rules
  • Supports 16 languages with Java and XPath custom rules
  • Fits Maven, IDE, CI, and major build-tool workflows
  • Combines structural fingerprints with token-similarity scoring
  • Adds Git diff, commit-range, caching, and threshold controls
  • Publishes findings as GitHub Actions pull-request annotations
Cons
  • Primarily suits teams comfortable with self-hosted developer tooling
  • Custom rules require Java or XPath knowledge
  • IDE support centers on Eclipse, IntelliJ IDEA, and Visual Studio Code
  • No IDE integration
  • Findings are candidates, not definitive semantic classifications
  • Requires self-hosted command-line and CI setup
Our verdict

PMD is an open-source, multilanguage static code analyzer for developers and development teams that need more than duplicate-code detection. Its CPD component identifies duplicated code, while the wider analysis engine covers issues such…

Read the review →

QuickDup is an open-source command-line tool for detecting likely code clones in source directories or individual files. It is aimed at developers and engineering teams that review duplication across repositories, particularly teams using…

Read the review →
  1. PMDCode Clone Detection Tools 9.0Free plan
  2. QuickDupCode Clone Detection Tools 8.5Open source

Strengths and trade-offs

  • PMD — where it wins

    • CPD detects duplicated code alongside 400+ built-in analysis rules
    • Supports 16 languages with Java and XPath custom rules
    • Fits Maven, IDE, CI, and major build-tool workflows

    Where it doesn't

    • Primarily suits teams comfortable with self-hosted developer tooling
    • Custom rules require Java or XPath knowledge
    • IDE support centers on Eclipse, IntelliJ IDEA, and Visual Studio Code

  • QuickDup — where it wins

    • Combines structural fingerprints with token-similarity scoring
    • Adds Git diff, commit-range, caching, and threshold controls
    • Publishes findings as GitHub Actions pull-request annotations

    Where it doesn't

    • No IDE integration
    • Findings are candidates, not definitive semantic classifications
    • Requires self-hosted command-line and CI setup
  • PMD9.0/10 · Free plan

    A strong open-source choice for teams pairing clone detection with broad static analysis.

    Visit PMDFull verdict →
  • QuickDup8.5/10 · Open source

    An open-source candidate finder for reviewing likely code duplicates in pull requests.

    Visit QuickDupFull verdict →

More comparisons

All code clone detection tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update