Codecov vs Coveralls
Codecov and Coveralls are both popular tools in the Code Review & Testing space. Both use a freemium pricing model, with Codecov starting at Free and Coveralls at Free. Both offer a free tier to get started. Below we break down features, pricing, strengths, and weaknesses to help you decide which tool fits your workflow best.
Last updated: March 2026
Quick Verdict
Choose Codecov if you want code coverage reporting and insights to improve test quality.. Codecov's biggest strengths include industry standard for code coverage reporting and free for open-source projects. It's also rated higher (4.2 vs 3.9). Choose Coveralls if you prefer track code coverage over time and ensure test quality in every pr.. Key advantages include simple setup with most ci providers and free for open-source projects.
Code coverage reporting and insights to improve test quality.
Track code coverage over time and ensure test quality in every PR.
| Codecov | Coveralls | |
|---|---|---|
| Pricing | Free | Free |
| Free Tier | Yes | Yes |
| Pricing Model | Freemium | Freemium |
| Rating | ★ 4.2 | ★ 3.9 |
| Categories | Code Review & Testing | Code Review & Testing |
| Key Features | 6 features | 6 features |
| Feature | Codecov | Coveralls |
|---|---|---|
| Code coverage reporting and tracking | ✓ | — |
| Pull request coverage comments and checks | ✓ | — |
| Coverage diff showing new uncovered lines | ✓ | — |
| Configurable coverage thresholds and gates | ✓ | — |
| Support for all major languages and CI providers | ✓ | — |
| Coverage trend visualization and analytics | ✓ | — |
| Code coverage tracking and trend analysis | — | ✓ |
| Pull request coverage reporting | — | ✓ |
| Coverage threshold enforcement | — | ✓ |
| Support for all major languages and CI services | — | ✓ |
| Historical coverage data and charts | — | ✓ |
| Badge generation for repository READMEs | — | ✓ |
Codecov
Pros
- + Industry standard for code coverage reporting
- + Free for open-source projects
- + Excellent PR integration shows coverage impact
- + Supports virtually every language and CI provider
Cons
- − Only tracks coverage — no code quality analysis
- − Can slow down CI pipelines with report uploads
- − Paid plans needed for private repository features
Coveralls
Pros
- + Simple setup with most CI providers
- + Free for open-source projects
- + Clean interface for tracking coverage trends
- + Good GitHub integration with PR checks
Cons
- − Less feature-rich than Codecov
- − UI feels dated compared to newer alternatives
- − Limited analytics on paid tiers
The Bottom Line
Choose Codecov if: you want code coverage reporting and insights to improve test quality.. It's completely free to use. It holds a higher user rating (4.2 vs 3.9). Keep in mind: only tracks coverage — no code quality analysis.
Choose Coveralls if: you prefer track code coverage over time and ensure test quality in every pr.. It's completely free to use. Keep in mind: less feature-rich than codecov.
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