Mutant
6.7#3 in mutation testing toolsFrom $250 a yearFree planLinuxmacOS
VisitMutant vs PIT
What both publish
| Fact | Mutant | PIT |
|---|---|---|
| Mutation operators | Mutant mutates arithmetic, logical and bitwise operators, removes statements, and modifies return values. | PIT applies configurable bytecode mutations, including removing method calls, inverting logic, and altering return values. |
| Purpose | Mutant is mutation testing for Ruby that systematically modifies code and verifies that tests catch each change. | PIT runs unit tests against automatically modified versions of application code to measure whether tests detect faults. |
Mutant plans
- Open sourceFree
- Commercial monthly$30 a month
- Commercial yearly$250 a year
- EnterprisePriced on request
PIT plans
No prices published.
Pick Mutant if…
Mutant suits Ruby developers who want to check whether their tests detect code changes, including teams using the listed test frameworks or supported Rails versions. Its open-source plan is for public repositories; commercial use requires a per-developer subscription.
Pick PIT if…
PIT suits Java and JVM developers who want to assess whether their tests catch faults. It can fit workflows using supported build tools, IDE integrations, or a command line.