PIT vs Stryker Mutator
| PIT | Stryker Mutator | |
|---|---|---|
| Free plan | No | Yes |
| Free trial | No | No |
| Paid from | — | Free |
| Open source | No | No |
| Platforms | Linux, macOS, self-hosted, Windows | api, self-hosted |
| Free plan | Yes | Yes |
| Supported languages | Java and JVM bytecode | JavaScript, TypeScript, C#, Scala |
| Test frameworks | JUnit 3, JUnit 4, TestNG; JUnit 5 via plugin | Cucumber, Jasmine, Jest, Karma, Mocha, Tap, Vitest, command runner |
| Incremental analysis | Yes | Yes |
| Parallel execution | Yes | Yes |
| Surviving mutant reports | Yes | Yes |
| Mutation quality gate | Yes | Yes |
| Mutation operators | Conditionals Boundary, Increments, Invert Negatives, Math, Negate Conditionals, Void Method Calls, Empty Returns, False Returns, True Returns, Null Returns, Primitive Returns, Remove Conditionals, Inline Constant, Constructor Calls, Non-Void Method Calls, Remove Increments, Argument Propagation, Big Integer, Member Variable, Naked Receiver, Negation, Arithmetic Operator Replacement, Arithmetic Ope | Arithmetic Operator, Array Declaration, Block Statement, Boolean Literal, Conditional Expression, Equality Operator, Logical Operator, Method Expression, Object Literal, Optional Chaining, Regex, String Literal, Unary Operator, Update Operator |
Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, Stryker Mutator scores higher on our published basis.