Best Hypothesis Alternatives in 2026
Updated
20 apps from property-based testing tools ranked against Hypothesis on the same published basis.
- 1Hypothesis vs ScalaCheck
- 2Hypothesis vs FsCheck
- 3Hypothesis vs Gopter
- 4Hypothesis vs fast-check
- 5Hypothesis vs JSVerify
- 6Hypothesis vs Scala Hedgehog
- 7Hypothesis vs QCheck
- 8Hypothesis vs CsCheck
- 9Hypothesis vs QuickCheck
- 10Hypothesis vs QuickTheories
- 12Hypothesis vs PropEr
- 13Hypothesis vs Rapid
- 14Hypothesis vs StreamData
- 15Hypothesis vs FSharp.Hedgehog
- 16Hypothesis vs RapidCheck
- 17Hypothesis vs Proptest
- 18Hypothesis vs Eris
- 19Hypothesis vs QuickCheck
- 20Hypothesis vs SwiftCheck
- 21Hypothesis vs PropCheck
Hypothesis alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ScalaCheck | 7.2 | Free plan | Free | Linux, Mac, Windows |
| 2 | FsCheck | 7.0 | Free plan | Free | Linux, Mac, Windows |
| 3 | Gopter | 7.0 | Free plan | Free | Linux, self-hosted |
| 4 | fast-check | 6.9 | Free plan | Free | API, Linux, Web |
| 5 | JSVerify | 6.9 | Free plan | Free | self-hosted, Web |
| 6 | Scala Hedgehog | 6.9 | Free plan | Free | Linux |
| 7 | QCheck | 6.8 | Free plan | Free | Linux |
| 8 | CsCheck | 6.7 | Free plan | Free | self-hosted |
| 9 | QuickCheck | 6.7 | Free plan | Free | Linux |
| 10 | QuickTheories | 6.7 | Free plan | Free | API, self-hosted |
| 12 | PropEr | 6.6 | Free plan | Free | self-hosted |
| 13 | Rapid | 6.6 | Free plan | Free | self-hosted |
| 14 | StreamData | 6.6 | Free plan | Free | API |
| 15 | FSharp.Hedgehog | 6.4 | No | — | Linux, Mac, Windows |
| 16 | RapidCheck | 6.4 | No | — | Linux, self-hosted, Windows |
| 17 | Proptest | 6.3 | No | — | Web |
| 18 | Eris | 6.2 | No | — | self-hosted |
| 19 | QuickCheck | 5.9 | No | — | — |
| 20 | SwiftCheck | 5.7 | No | — | Mac, iOS |
| 21 | PropCheck | 5.5 | Free plan | Free | Linux, self-hosted |
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Questions about Hypothesis alternatives
What is the best alternative to Hypothesis?
ScalaCheck, number 1 in property-based testing tools with a score of 7.2 out of 10. The others here: FsCheck, Gopter, fast-check and 16 more.
What is the best free alternative to Hypothesis?
ScalaCheck is the best-ranked alternative with a free plan. 14 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.