ArcMutate
ArcMutate: A broad JVM mutation testing suite with CI workflows, quality gates and a free plan. Ranked #1 of 25 in Mutation Testing Tools by our editors (9.8/10); pricing: Free plan · paid from $8/user/mo; best for java teams needing broad CI mutation testing.
At a glance
- Editor score9.8 / 10
- PricingFree plan · paid from $8/user/mo
- Best forJava teams needing broad CI mutation testing
- Free planYes
- Mutation quality gateYes
- Founded2024
- Facts checked20 Sep 2026
Where it wins
- Extended and extreme mutation operators with subsumption analysis
- Pull-request workflows with surviving-mutant annotations
- Java, Kotlin and Groovy support across four platforms
Where it doesn't
- Android and Robolectric support is still in beta
- The Base plan does not include Git or CI platform integrations
- Teams outside JVM development will need another tool
Our verdict on ArcMutate
ArcMutate is mutation testing software from CloudDev for JVM development teams that want to identify weaknesses in automated test suites. It extends PIT mutation testing with support for Java, Kotlin and Groovy, while Android support is available as a beta feature. The product fits teams working with JUnit 4, JUnit 5, Spring Test, Mockito, MockK or Robolectric, and supports Linux, Windows, macOS and self-hosted deployment.
Its main strength is the depth of its mutation analysis. The feature set includes extended, extreme and chained-call operators, subsumption analysis, mutant exclusions, test statistics and quality gates. Incremental analysis uses history files to avoid repeating unnecessary work, while parallel execution and JUnit 5 acceleration address execution efficiency. Teams can also use Git-based pull-request mutation testing, with surviving-mutant annotations surfaced in GitHub pull requests. Spring and Spring Boot support, Kotlin and Groovy operators, and reactive, predicate and stream-related operators give ArcMutate a wider JVM focus than a tool limited to basic Java mutations.
Pricing is structured around a free plan and paid access. The Base plan costs $8 per user per month, billed monthly, and includes extended operators, subsumption analysis, mutant exclusions, test statistics, Maven and Gradle support. Pro costs $12 per user per month and adds Spring, Kotlin, Git, GitHub, GitLab, Bitbucket and Azure integrations, incremental analysis and priority support. Startup provides Pro access for eligible startups, while Open Source offers free licenses for open-source projects. ArcMutate is a strong fit for Java-focused teams building mutation checks into CI; teams needing production-ready Android mutation support or a non-JVM focus should look elsewhere.
ArcMutate pricing
All 4 ArcMutate plans and prices →
ArcMutate fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Not verified |
| Supported languages | Java, Kotlin, Groovy |
| Test frameworks | JUnit 4, JUnit 5, Spring Test, Mockito, MockK, Robolectric |
| Incremental analysis | Yes |
| Parallel execution | Yes |
| Surviving mutant reports | Yes |
| Mutation quality gate | Yes |
| Mutation operators | Extended, 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 operators |
| Deployment | Self-hosted |
| Platforms | Linux, Windows, macOS |
| Compliance & security | ISO 27001 |
| Support | Email, Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 10 integrations: GitHub, GitLab, Bitbucket, Azure DevOps, GitHub Actions, Maven … |
| Pricing | Free plan · paid from $8/user/mo (source) |
| Website | arcmutate.com |
| Facts checked | 20 Sep 2026 |
ArcMutate integrations
ArcMutate lists 10 integrations on its own site.
- GitHub
- GitLab
- Bitbucket
- Azure DevOps
- GitHub Actions
- Maven
- Gradle
- Spring
- JUnit 5
- Robolectric
Alternatives to ArcMutate
- PITA mature open-source choice for Java teams that need configurable mutation analysis.8.2
- Stryker MutatorA broad, open-source mutation testing toolkit with strong CI and reporting support.7.7
- InfectionA free, open-source PHP mutation testing framework with CI quality gates.7.4
See all ArcMutate alternatives →
ArcMutate vs the competition
- ArcMutate vs PIT
- ArcMutate vs Stryker Mutator
- ArcMutate vs Infection
- ArcMutate vs Cosmic Ray
- ArcMutate vs Dextool Mutate
- ArcMutate vs Mutatest
Compare ArcMutate with any tool side by side →
Used ArcMutate? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used ArcMutate for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
ArcMutate is listed in our Mutation Testing Tools directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/arcmutate/"><img src="https://www.itechguides.com/best/badge/arcmutate.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026
Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.
Last updated · How we research and update