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Head-to-head · Code Refactoring Tools

ReSharper vs ast-grep

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score ReSharper #1 in Code Refactoring Tools 9.2/10 Free plan · 30-day trial Free planFree trial✓ 2 of 3 features Visit ReSharper
ast-grep #2 in Code Refactoring Tools 8.7/10 Open source ✓ 0 of 3 features Visit ast-grep

ReSharper leads on 0 checks, ast-grep on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreReSharper · 9.2/10
  • Free planonly ReSharper
  • Free trialonly ReSharper
  • Most featuresReSharper · 2 of 3

ReSharper scores higher on our rubric for code refactoring tools: 9.2 against 8.7 out of 10; our editors rank them #1 and #2.

ReSharper is the better fit for windows teams using Visual Studio. ast-grep is the better fit for developers needing free structural refactoring.

  • ReSharper fits best

    Windows teams using Visual Studio

  • ast-grep fits best

    Developers needing free structural refactoring

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Side by side

Feature ReSharper 9.2/10 Visit ↗ ast-grep 8.7/10 Visit ↗
At a glance
Editor score 9.2 8.7
Ranking #1 in Code Refactoring Tools #2 in Code Refactoring Tools
Best for Windows teams using Visual Studio Developers needing free structural refactoring
Pricing model Free plan + paid Free
Starting price — Open source
Free plan ✓ (best) Not checked yet
Free trial 30 days —
Deployment Desktop Self-hosted
Platforms Windows, macOS, Linux Windows, macOS, Linux
Support Community, Tickets, Docs Community, Docs
Integrations 5 integrations 3 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features ReSharper 2/3 · ast-grep 0/3
Batch refactoring ✓ (best) Not checked yet
AI assistance ✓ (best) Not checked yet
AST-based analysis Not checked yet Not checked yet
Specs
Supported languages C#, Visual Basic, C++, HTML, ASP.NET, JavaScript, TypeScript, CSS, XML, XAML, MSBuild, NAnt, JSON, Protobuf Not checked yet
Refactoring scope Not checked yet Not checked yet
Deployment Both Not checked yet
Our review
Pros
  • Solution-wide and cross-language refactorings
  • Static analysis with automatic quick-fixes
  • AI assistance for explanations, fixes, and code generation
  • AST-based search and rewriting support large-scale codemods
  • Custom YAML lint rules and language-server fixes
  • Works across Windows, macOS, and Linux
Cons
  • Commercial use requires a paid organization plan
  • The strongest fit is Microsoft Visual Studio development
  • A 30-day trial may be brief for larger evaluations
  • Local installation requires teams to manage their own deployment
  • AST pattern matching differs from plain-text search workflows
  • Editor integrations focus on VS Code, Neovim, and Emacs
Our verdict

ReSharper is a developer productivity extension for Microsoft Visual Studio and compatible code editors. It is aimed at teams and individual developers working across .NET and related web, markup, configuration, and build technologies. Its…

Read the review →

ast-grep is an open-source command-line tool for developers who need structural code search, linting, rewriting, and refactoring. Instead of matching only plain text, it works with abstract syntax tree patterns, making it suitable for…

Read the review →
  1. ReSharperCode Refactoring Tools 9.2Free plan · 30-day trial
  2. ast-grepCode Refactoring Tools 8.7Open source

Strengths and trade-offs

  • ReSharper — where it wins

    • Solution-wide and cross-language refactorings
    • Static analysis with automatic quick-fixes
    • AI assistance for explanations, fixes, and code generation

    Where it doesn't

    • Commercial use requires a paid organization plan
    • The strongest fit is Microsoft Visual Studio development
    • A 30-day trial may be brief for larger evaluations

  • ast-grep — where it wins

    • AST-based search and rewriting support large-scale codemods
    • Custom YAML lint rules and language-server fixes
    • Works across Windows, macOS, and Linux

    Where it doesn't

    • Local installation requires teams to manage their own deployment
    • AST pattern matching differs from plain-text search workflows
    • Editor integrations focus on VS Code, Neovim, and Emacs

More comparisons

All code refactoring tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update