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Head-to-head · Ruby Static Analysis Tools

GitHub CodeQL vs Codacy

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score GitHub CodeQL #3 in Ruby Static Analysis Tools 8.4/10 Free plan Free plan✓ 2 of 6 features Visit GitHub CodeQL
Codacy #4 in Ruby Static Analysis Tools 8.2/10 Free plan · 14-day trial Free planFree trial✓ 2 of 6 features Visit Codacy

GitHub CodeQL leads on 0 checks, Codacy on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreGitHub CodeQL · 8.4/10
  • Lowest starting priceCodacy · $18/user/mo
  • Free planboth
  • Free trialonly Codacy

GitHub CodeQL scores higher on our rubric for ruby static analysis tools: 8.4 against 8.2 out of 10; our editors rank them #3 and #4.

Codacy is cheaper to start at $18/mo against $30/mo.

GitHub CodeQL is the better fit for gitHub-centric teams needing semantic security analysis. Codacy is the better fit for teams seeking broad code quality and security checks.

  • GitHub CodeQL fits best

    GitHub-centric teams needing semantic security analysis

  • Codacy fits best

    Teams seeking broad code quality and security checks

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Side by side

Feature GitHub CodeQL 8.4/10 Visit ↗ Codacy 8.2/10 Visit ↗
At a glance
Editor score 8.4 8.2
Ranking #3 in Ruby Static Analysis Tools #4 in Ruby Static Analysis Tools
Best for GitHub-centric teams needing semantic security analysis Teams seeking broad code quality and security checks
Pricing model Free plan + paid Free plan + paid
Starting price $30/user/mo $18/user/mo (best)
Free plan ✓ ✓
Free trial — 14 days
Deployment Cloud, Desktop Cloud
Platforms Web, Windows, macOS, Linux Web
Support Docs Email, Live chat, Docs
Integrations 4 integrations 5 integrations
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features GitHub CodeQL 2/6 · Codacy 2/6
Security analysis Not checked yet ✓ (best)
Type checking Not checked yet Not checked yet
Automated fixes ✓ (best) Not checked yet
Custom rules ✓ ✓
Hosted option Not checked yet Not checked yet
Self-hosted option Not checked yet Not checked yet
Our review
Pros
  • Data-flow and taint analysis can surface vulnerability paths.
  • Custom queries and standard packs support tailored analysis.
  • Pull-request alerts integrate with GitHub code scanning.
  • Analyzes Ruby alongside dozens of other languages and tools
  • Pull-request analysis, status checks, and merge gates
  • Free Developer plan includes IDE and security scans
Cons
  • Commercial private-repository use requires GitHub security licensing.
  • Paid GitHub Code Security costs $30 per active committer monthly.
  • Ruby-specific language support is not clearly identified.
  • Cloud-only deployment
  • Team plan starts at $18 per user monthly with annual billing
  • Ruby is part of a broad language set, not a Ruby-specific focus
Our verdict

GitHub CodeQL analyzes source code by turning a codebase into a database and running semantic queries against it. It is aimed at teams that need to detect vulnerabilities, errors, and data-flow problems, particularly those already working…

Read the review →

Codacy brings source-code quality, security, and coverage analysis together in a cloud platform for individual developers and engineering teams. Ruby is one of its supported languages, alongside many others, so it suits teams that want…

Read the review →
  1. GitHub CodeQLRuby Static Analysis Tools 8.4Free plan
  2. CodacyRuby Static Analysis Tools 8.2Free plan · 14-day trial

Strengths and trade-offs

  • GitHub CodeQL — where it wins

    • Data-flow and taint analysis can surface vulnerability paths.
    • Custom queries and standard packs support tailored analysis.
    • Pull-request alerts integrate with GitHub code scanning.

    Where it doesn't

    • Commercial private-repository use requires GitHub security licensing.
    • Paid GitHub Code Security costs $30 per active committer monthly.
    • Ruby-specific language support is not clearly identified.

  • Codacy — where it wins

    • Analyzes Ruby alongside dozens of other languages and tools
    • Pull-request analysis, status checks, and merge gates
    • Free Developer plan includes IDE and security scans

    Where it doesn't

    • Cloud-only deployment
    • Team plan starts at $18 per user monthly with annual billing
    • Ruby is part of a broad language set, not a Ruby-specific focus

More comparisons

All ruby static analysis tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update