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Head-to-head · Dart Flutter Static Analysis Tools

Codacy vs custom_lint

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Codacy #2 in Dart Flutter Static Analysis Tools 8.3/10 Free plan · 14-day trial Free planFree trial✓ 1 of 4 features Visit Codacy
custom_lint #8 in Dart Flutter Static Analysis Tools 7.3/10 Free plan Free plan✓ 3 of 4 features Visit custom_lint

Codacy leads on 1 check, custom_lint on 0, 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 scoreCodacy · 8.3/10
  • Free planboth
  • Free trialonly Codacy
  • Most featurescustom_lint · 3 of 4

Codacy scores higher on our rubric for dart flutter static analysis tools: 8.3 against 7.3 out of 10; our editors rank them #2 and #8.

Codacy offers security analysis; custom_lint doesn't.

Codacy is the better fit for teams seeking hosted, multi-language code analysis. custom_lint is the better fit for teams building and testing custom Dart lint rules.

  • Codacy fits best

    Teams seeking hosted, multi-language code analysis

  • custom_lint fits best

    Teams building and testing custom Dart lint rules

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Side by side

Feature Codacy 8.3/10 Visit ↗ custom_lint 7.3/10 Visit ↗
At a glance
Editor score 8.3 7.3
Ranking #2 in Dart Flutter Static Analysis Tools #8 in Dart Flutter Static Analysis Tools
Best for Teams seeking hosted, multi-language code analysis Teams building and testing custom Dart lint rules
Pricing model Free plan + paid Free
Starting price $18/user/mo Free plan
Free plan ✓ ✓
Free trial 14 days —
Deployment Cloud Self-hosted
Platforms Web Windows, macOS, Linux
Integrations 5 integrations 1 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Codacy 1/4 · custom_lint 3/4
Dart analysis Not checked yet ✓ (best)
Flutter analysis Not checked yet ✓ (best)
Security analysis ✓ (best) —
CI integration Not checked yet ✓ (best)
Specs
Deployment Not checked yet Self-hosted
IDE support Not checked yet Multiple
Our review
Pros
  • Free Developer plan includes IDE plugins and security and quality scans.
  • Analyzes Dart alongside a broad range of languages and tools.
  • Team adds pull-request merge gates, coverage reports, Jira, and Slack.
  • 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
  • Cloud-only deployment may not suit teams requiring self-hosting.
  • Team costs $18 per user monthly with annual billing, or $21 monthly.
  • Flutter-specific analysis depth is not established by the listed features.
  • 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

Codacy brings code quality, security, coverage, and coding-policy checks into a hosted service for individual developers and engineering teams. It analyzes Dart among more than 40 supported languages and tools, making it relevant to…

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. CodacyDart Flutter Static Analysis Tools 8.3Free plan · 14-day trial
  2. custom_lintDart Flutter Static Analysis Tools 7.3Free plan

Strengths and trade-offs

  • Codacy — where it wins

    • Free Developer plan includes IDE plugins and security and quality scans.
    • Analyzes Dart alongside a broad range of languages and tools.
    • Team adds pull-request merge gates, coverage reports, Jira, and Slack.

    Where it doesn't

    • Cloud-only deployment may not suit teams requiring self-hosting.
    • Team costs $18 per user monthly with annual billing, or $21 monthly.
    • Flutter-specific analysis depth is not established by the listed features.
  • 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.
  • Codacy8.3/10 · Free plan · 14-day trial

    A hosted analysis suite with Dart support, pull-request checks, and a free plan.

    Visit CodacyFull verdict →
  • custom_lint7.3/10 · 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

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update