SoapUI
9.0#1 in api clientsFrom $1,069 a yearFree planAPILinuxmacOSSelf-hosted
VisitSoapUI vs Thunder Client
Thunder Client
7.5#15 in api clientsFrom $3 a monthFree planExtensionLinuxmacOSWindows
VisitWhat both publish
| Fact | SoapUI | Thunder Client |
|---|---|---|
| Free plan | Yes | Yes |
| Protocols | The product page lists SOAP/WSDL, REST, GraphQL, and JMS protocol support. | Paid plans include WebSocket, SSE, and gRPC support. |
SoapUI plans
- ReadyAPI trialFree
- SoapUI Open SourceFree
- ReadyAPI API Functional & Security Testing$1,069 a year
- ReadyAPI API & Service Virtualization$1,415 a year
- ReadyAPI Performance Small$7,389 a year
Thunder Client plans
- FreeFree
- Starter$3 a month
- Business$7 a month
- Enterprise$16 a month
Pick SoapUI if…
SoapUI suits developers and testers beginning API testing or building functional and regression tests. It can also fit teams that need API mocks, command-line runs or CI integrations.
Pick Thunder Client if…
Thunder Client suits developers who want to work with REST APIs from within their IDE and keep request data locally. Teams can use Git-based collection collaboration, while paid plans add protocol support and CI/CD capabilities.