ArcMutate vs LittleDarwin

ArcMutate

6.4 #1 in Mutation Testing Tools

About ArcMutate

LittleDarwin

5.2 #20 in Mutation Testing Tools

About LittleDarwin
ArcMutateLittleDarwin
Free planYesNo
Free trialYesNo
Paid from$8/mo—
Open sourceNoNo
PlatformsLinux, macOS, self-hosted, Windows—
Free planYesYes
Supported languagesJava, Kotlin, GroovyJava
Test frameworksJUnit 4, JUnit 5, Spring Test, Mockito, MockK, Robolectric—
Incremental analysisYes—
Parallel executionYes—
Surviving mutant reportsYesYes
Mutation quality gateYes—
Mutation operatorsExtended, extreme, chained calls, varargs, one-less-parameter, remove distinct/filter/limit/skip/sorted, predicate operators, field writes, parameter swaps, stream match swaps, reactive return and mapping operators, Groovy boundary and conditional operators, Spring annotation operatorsAOR-B, AOR-S, AOR-U, LOR, SOR, ROR, COR, COD, SAOR; NullifyInputVariable, NullifyReturnValue, NullifyObjectInitialization, RemoveNullCheck

Both are listed in Best Mutation Testing Tools. On Samsung Mobile US Press, ArcMutate scores higher on our published basis.