Apidog vs SoapUI

Side-by-side from the Top 11 ranking of The 11 Best API Testing Tools (2026). Last verified July 14, 2026.

The short answer

Apidog ranks higher on Top 11 (#4 vs #5) for Backend engineers, QA automation teams, and platform teams validating REST, GraphQL, gRPC, and SOAP APIs. An all-in-one that folds design, mocking, and testing together.

At a glance

ApidogSoapUI
Top 11 rank#4 / The 11 Best API Testing Tools (2026)#5 / The 11 Best API Testing Tools (2026)
Score (out of 9.4)8.58.3
Best forDesign, mock, and test in one toolSOAP and legacy protocol testing
Pricing$$ (Free tier, paid ~$9-$25/user/mo)$$ (Open source free; ReadyAPI upgrade is paid)
HQSingaporeSomerville, USA
Founded20202005

Apidog

An all-in-one that folds design, mocking, and testing together.

apidog.com/

See full entry in The 11 Best API Testing Tools (2026)

SoapUI

The default when SOAP and legacy enterprise services are in scope.

www.soapui.org/

See full entry in The 11 Best API Testing Tools (2026)

Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.