Side by side
EvoMaster vs Karate
Both stand on api testing tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan APILinuxMac+2
EvoMaster offers free automated test generation across several API types, with both black-box and JVM-focused white-box modes. Its schema and driver requirements matter when deciding whether it fits a project.
Visit EvoMaster
Free plan Open source APIExtensionLinux+3
Karate offers a free framework spanning API, UI, mock, and performance testing, with paid plans for additional IDE and client features. The production CI/CD license condition for async protocols matters for teams evaluating Kafka, gRPC, or WebSocket testing.
Visit KarateThe facts
| EvoMaster | Karate | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Yes |
| Runs on | API, Linux, Mac, Self-hosted, Windows | API, Extension, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | Free or on request | IDE Plus: $100 per user a year |
| Plans published | 1 | 5 |
| Maker | Not published | Not published |
| Website | evomaster.org | karatelabs.io |
| On api testing tools | #7 of 34 | #3 of 34 |
EvoMaster: what it does well
- Supports REST, GraphQL, and RPC APIs.
- Black-box testing works across implementation languages.
- Provides more than 30 fault-detection oracles.
- Generates tests in Java, Kotlin, Python, or JavaScript.
- No telemetry, according to the project.
What to know first
- White-box testing requires a user-written driver.
- RPC schema definitions are not directly supported.
- External-service support remains in progress.
- REST APIs need OpenAPI 2.0, 3.0, or 3.1 schemas.
Karate: what it does well
- Free MIT-licensed framework for commercial projects
- Supports REST, GraphQL, and SOAP testing
- Combines UI and API steps in tests
- API tests can be reused for performance testing
- Products run locally or in customer infrastructure
What to know first
- Free tier includes community support
- IDE Plus costs $100 a year
- Pro costs $640 a year
- Production CI/CD async testing requires an Enterprise runtime license
Alternatives to EvoMaster Alternatives to Karate The whole list