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Head-to-head · Dart Flutter Static Analysis Tools

Snyk Code vs custom_lint

  • Updated Sep 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Snyk Code #3 in Dart Flutter Static Analysis Tools 5.0/10 Free plan · paid from $25/mo Free plan✓ 0 of 4 features Visit Snyk Code
custom_lint #8 in Dart Flutter Static Analysis Tools —/10 Free plan Free plan✓ 3 of 4 features Visit custom_lint

Snyk Code leads on 0 checks, custom_lint on 3, and 2 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 scoreSnyk Code · 5.0/10
  • Free planboth
  • Most featurescustom_lint · 3 of 4

Our editors rank Snyk Code at #3 and custom_lint at #8 for dart flutter static analysis tools; custom_lint has no rubric score yet (facts researched, not yet scored), so the checks below decide.

custom_lint offers dart analysis; Snyk Code doesn't publish it. custom_lint offers flutter analysis; Snyk Code doesn't publish it. custom_lint offers ci integration; Snyk Code doesn't publish it.

Snyk Code is the better fit for teams seeking source-code security scanning. custom_lint is the better fit for teams building and testing custom Dart lint rules.

  • Snyk Code fits best

    Teams seeking source-code security scanning

  • custom_lint fits best

    Teams building and testing custom Dart lint rules

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. It never changes our verdict. How we rank.

Side by side

Feature Snyk Code 5.0/10 Visit ↗ custom_lint —/10 Visit ↗
At a glance
Editor score 5.0 —
Ranking #3 in Dart Flutter Static Analysis Tools #8 in Dart Flutter Static Analysis Tools
Best for Teams seeking source-code security scanning Teams building and testing custom Dart lint rules
Pricing model Free plan + paid Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Desktop Self-hosted
Platforms Web Windows, macOS, Linux
Integrations 109+ integrations 1 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Snyk Code 0/4 · custom_lint 3/4
Dart analysis Not published ✓ (best)
Flutter analysis Not published ✓ (best)
Security analysis Not published —
CI integration Not published ✓ (best)
Specs
Deployment Not published Self-hosted
IDE support Not published Multiple
Our review
Pros
  • Real-time IDE, pull-request, CLI, and CI/CD scanning
  • Contextual explanations, remediation advice, and automated fixes
  • Integrations across GitHub, GitLab, Bitbucket, and major CI tools
  • Build, configure, and selectively enable custom lint rules.
  • Includes CLI analysis, rule tests, quick fixes, and assists.
  • Supports Flutter projects, plugin debugging, and hot reload.
Cons
  • Focuses on security vulnerabilities rather than Dart/Flutter linting
  • Team pricing is $25 per contributing developer monthly
  • Advanced Ignite and Enterprise features have no listed prices
  • No longer under active development; new lints are directed to analysis_server_plugin.
  • Focused on custom rules rather than a broad prebuilt ruleset.
  • Its listed IDE integration is Visual Studio Code.
Our verdict

Snyk Code is a static application security testing tool for developers and security teams. It analyzes source code for security vulnerabilities and coding issues, then provides contextual explanations, remediation guidance, and automated…

Read the review →

custom_lint is an open-source Dart package from Invertase for developers and teams that need to create and apply their own lint rules in Dart and Flutter projects. It supports custom rule development through custom_lint_builder, with a…

Read the review →
  1. Snyk CodeDart Flutter Static Analysis Tools 5.0Free plan · paid from $25/mo
  2. custom_lintDart Flutter Static Analysis Tools —Free plan

Strengths and trade-offs

  • Snyk Code — where it wins

    • Real-time IDE, pull-request, CLI, and CI/CD scanning
    • Contextual explanations, remediation advice, and automated fixes
    • Integrations across GitHub, GitLab, Bitbucket, and major CI tools

    Where it doesn't

    • Focuses on security vulnerabilities rather than Dart/Flutter linting
    • Team pricing is $25 per contributing developer monthly
    • Advanced Ignite and Enterprise features have no listed prices

  • custom_lint — where it wins

    • Build, configure, and selectively enable custom lint rules.
    • Includes CLI analysis, rule tests, quick fixes, and assists.
    • Supports Flutter projects, plugin debugging, and hot reload.

    Where it doesn't

    • No longer under active development; new lints are directed to analysis_server_plugin.
    • Focused on custom rules rather than a broad prebuilt ruleset.
    • Its listed IDE integration is Visual Studio Code.
  • Snyk Code5.0/10 · Free plan · paid from $25/mo

    Security-focused source scanning with IDE, pull-request, CLI, and CI/CD coverage.

    Visit Snyk CodeFull verdict →
  • custom_lint—/10 · Free plan

    A free, open-source toolkit for authoring and testing custom Dart lints, but no longer actively developed.

    Visit custom_lintFull verdict →

More comparisons

All dart flutter static analysis tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026