Hypothesis vs Kotest

Hypothesis

6.9 #10 in Unit Testing Frameworks

About Hypothesis

Kotest

7.5 #2 in Unit Testing Frameworks

About Kotest
HypothesisKotest
Free planYesYes
Free trialNoNo
Paid fromFreeFree
Open sourceNoNo
Platformsapi, extension, WebAndroid, iOS, Linux, macOS, Web, Windows
Supported languagesPythonKotlin
Parameterized casesYesYes
Property-based checksYesYes
Free plan—Yes
Built-in mocks—No
Parallel execution—Yes
Snapshot testing—Yes

Both are listed in Best Unit Testing Frameworks. On Everything Xiaomi, Kotest scores higher on our published basis.