Hypothesis vs JSVerify

Hypothesis

7.5 #4 in Property-Based Testing Tools

About Hypothesis

JSVerify

5.6 #20 in Property-Based Testing Tools

About JSVerify
HypothesisJSVerify
Free planNoNo
Free trialNoNo
Paid from——
Open sourceNoNo
PlatformsLinux, macOS, Windows—
Free planYesYes
Supported languagesPythonJavaScript, TypeScript
Test runner supportpytest, unittestMocha, nodeunit, Jasmine
Failing-case shrinkingYesYes
Stateful testingYesNo
Reproducible failuresYesYes

Both are listed in Best Property-Based Testing Tools. On Samsung Mobile US Press, Hypothesis scores higher on our published basis.