Mutatest
7.2#1 in mutation testing toolsFree planFree planAPILinuxmacOSSelf-hosted
VisitMutatest vs Mutineer
What both publish
| Fact | Mutatest | Mutineer |
|---|---|---|
| Coverage | When coverage data is available, mutation targets can be restricted to lines marked as covered. | Per test coverage can select which tests to run for each mutant, and covered line filtering requires a coverage file. |
| Maintainer | PyPI names Evan Kepner as the author and lists one maintainer account, ekepner. | The repository lists Billy Jones as a maintainer. |
| Purpose | Mutatest is a diagnostic command-line tool for assessing test coverage by checking whether tests detect small code mutations. | Mutineer is a mutation testing framework for JavaScript and TypeScript that changes source code and runs existing tests to reveal defects the tests miss. |
Mutatest plans
- MutatestFree
Mutineer plans
No prices published.
Pick Mutatest if…
Mutatest suits Python developers who want to check whether their tests detect code changes, especially when they need mutation thresholds in automated runs. It is intended for diagnostic use rather than repeated runs across an entire codebase on every commit.
Pick Mutineer if…
Mutineer suits JavaScript or TypeScript teams using Vitest, Jest, or an adaptable test runner. It is useful when teams need scoped, incremental mutation analysis and quality-gate reporting.