Infection vs mutator
| Infection | mutator | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, macOS, Web | — |
| Free plan | Yes | Yes |
| Supported languages | PHP | R |
| Test frameworks | PHPUnit, PhpSpec, Codeception, Testo | testthat; tinytest; generic installed-tests fallback |
| Incremental analysis | Yes | — |
| Parallel execution | Yes | Yes |
| Surviving mutant reports | Yes | Yes |
| Mutation quality gate | Yes | Yes |
| Mutation operators | Arithmetic, boolean, cast, conditional boundary, conditional negotiation, equality, function signature, nullify, number, operator, regex, removal, return value, visibility, and unwrap mutators | Arithmetic (+/- and */), comparison (==/!=, </>, <=/>=), logical (&/|, &&/||, ! and condition negation), assignment and call values, scalar constants, return values, statement deletion |
Both are listed in Best Mutation Testing Tools. On Inferse, Infection scores higher on our published basis.