Mutant
6.7#3 in mutation testing toolsFrom $250 a yearFree planLinuxmacOS
VisitMutant vs mutator
What both publish
| Fact | Mutant | mutator |
|---|---|---|
| Mutation operators | Mutant mutates arithmetic, logical and bitwise operators, removes statements, and modifies return values. | Its operators include arithmetic, comparison and logical changes, constant and return-value replacements, and statement deletions. |
| Purpose | Mutant is mutation testing for Ruby that systematically modifies code and verifies that tests catch each change. | mutator is an automated mutation testing tool for the R language that checks whether a test suite detects systematic changes to source code. |
Mutant plans
- Open sourceFree
- Commercial monthly$30 a month
- Commercial yearly$250 a year
- EnterprisePriced on request
mutator 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 mutator if…
mutator is for R developers assessing and improving package test suites. It suits projects using testthat, tinytest, or installed-test layouts.