PropEr vs test.check

PropEr

6.6 #11 in Property-Based Testing Tools

About PropEr

test.check

5.7 #19 in Property-Based Testing Tools

About test.check
PropErtest.check
Free planYesNo
Free trialNoNo
Paid fromFree—
Open sourceNoNo
Platformsself-hosted—
Free planYesYes
Supported languagesErlangClojure, ClojureScript
Test runner supportEUnit, Common Testclojure.test, cljs.test
Failing-case shrinkingYesYes
Stateful testingYes—
Reproducible failures—Yes

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