Biome vs Trunk: Which is Better in 2026?
Choosing between Biome and Trunk comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Bottom line: Biome wins this matchup. Testing Library is our overall Testing & QA pick. Testing Library is our free Testing & QA pick. Pick Trunk if you need a free tier to start with.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Biome
Fast formatter and linter for JavaScript and TypeScript
Best for you if:
- • You want a fully free tool (Trunk requires payment)
- • You want fast linter/formatter
- • You want rust-based
Trunk
Code quality and developer experience tools
Best for you if:
- • You want all-in-one linting
- • You want good defaults
| At a Glance | Trunk | |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | Developer Tools |
Rating | - | - |
Free plan | Yes | Yes |
Choose Biome or Trunk?
Choose Biome if
Fast formatter and linter for JavaScript and TypeScript
- You want a fully free tool (Trunk requires payment)
- You want fast linter/formatter
- You want rust-based
Choose Trunk if
Code quality and developer experience tools
- You want all-in-one linting
- You want good defaults
| Feature | Biome | Trunk |
|---|---|---|
| Pricing Model | Free | Freemium |
| User Rating | No ratings yet | No ratings yet |
| Categories | Developer ToolsTesting & QA | Developer ToolsCode Review |
In-Depth Analysis
Biome
Fast formatter and linter for JavaScript and TypeScript
Biome offers a completely free and open-source solution, making it incredibly generous.
Strengths
- +Fast linter/formatter
- +Rust-based
- +Rome successor
- +Single tool
- +Good performance
Weaknesses
- -Newer tool
- -Ecosystem building
- -Plugin system limited
- -Migration effort
- -Community smaller
Key features
Trunk
Code quality and developer experience tools
Trunk's pricing model is quite generous, offering a robust free tier for small teams and individual developers working on private repositories.
Watch out
Potential seat minimums for Team tier.
Strengths
- +All-in-one linting
- +Good defaults
- +Active development
- +Good documentation
- +Fair pricing
Weaknesses
- -Newer tool
- -Learning curve
- -Feature gaps
- -Vendor lock-in
- -Still maturing
Key features
Pricing: Biome vs Trunk
| Plan | Biome | Trunk |
|---|---|---|
| Tier 1 | Free Free | Free Free |
| Tier 2 | N/A | Custom Team |
| Tier 3 | N/A | Custom Enterprise |
Pricing verified from each vendor's public pricing page. Compare in detail on Biome pricing and Trunk pricing.
Who Should Use What?
On a budget?
Biome is free. Trunk is freemium.
Go with: Biome
Want the highest-rated option?
Neither has ratings yet.
Too early to call on ratings — compare on features and pricing.
Value user reviews?
Neither has ratings yet.
Too early to call — neither has ratings yet.
3 Questions to Help You Decide
What's your budget?
Biome is free. Trunk is freemium. Go with Biome if free matters most.
What's your use case?
Both are developer tools tools. Compare their specific features to decide.
How important are ratings?
Neither has ratings yet.
Key Takeaways
Biome
- Completely free
- Our pick for this comparison
Trunk
- Choose if you want code quality and developer experience tools
The Bottom Line
Biome wins this matchup. Testing Library is our overall Testing & QA pick. Testing Library is our free Testing & QA pick.
Frequently Asked Questions
Is Biome or Trunk better?
Biome is rated in our evaluation. Biome is free and Trunk is freemium.
What are Biome and Trunk used for?
Biome: Fast formatter and linter for JavaScript and TypeScript. Trunk: Code quality and developer experience tools.
What does Biome cost vs Trunk?
Biome is completely free. Trunk is freemium (free tier + paid plans). Visit their websites for detailed pricing.