Best Eris Alternatives in 2026
Updated
20 apps from property-based testing tools ranked against Eris on the same published basis.
- 1Eris vs fast-check
- 2Eris vs Gopter
- 3Eris vs Scala Hedgehog
- 4Eris vs CsCheck
- 5Eris vs PropEr
- 6Eris vs QuickCheck
- 7Eris vs Rapid
- 8Eris vs Hypothesis
- 9Eris vs RapidCheck
- 10Eris vs Proptest
- 11Eris vs QuickCheck
- 12Eris vs SwiftCheck
- 14Eris vs FSharp.Hedgehog
- 15Eris vs JSVerify
- 16Eris vs Plausible
- 17Eris vs PropCheck
- 18Eris vs QCheck
- 19Eris vs QuickTheories
- 20Eris vs Racket QuickCheck
- 21Eris vs Rantly
Eris alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | fast-check | 6.4 | Free plan | Free | API, Linux, Web |
| 2 | Gopter | 6.4 | Free plan | Free | Linux, self-hosted |
| 3 | Scala Hedgehog | 6.4 | Free plan | Free | Linux |
| 4 | CsCheck | 6.3 | Free plan | Free | self-hosted |
| 5 | PropEr | 6.3 | Free plan | Free | self-hosted |
| 6 | QuickCheck | 6.3 | Free plan | Free | Linux |
| 7 | Rapid | 6.3 | Free plan | Free | self-hosted |
| 8 | Hypothesis | 5.6 | No | — | Linux, Mac, Windows |
| 9 | RapidCheck | 5.5 | No | — | Linux, self-hosted, Windows |
| 10 | Proptest | 5.4 | No | — | Web |
| 11 | QuickCheck | 5.2 | No | — | — |
| 12 | SwiftCheck | 5.2 | No | — | Mac, iOS |
| 14 | FSharp.Hedgehog | 5.1 | No | — | — |
| 15 | JSVerify | 5.1 | No | — | — |
| 16 | Plausible | 5.1 | No | — | — |
| 17 | PropCheck | 5.1 | No | — | — |
| 18 | QCheck | 5.1 | No | — | — |
| 19 | QuickTheories | 5.1 | No | — | — |
| 20 | Racket QuickCheck | 5.1 | No | — | — |
| 21 | Rantly | 5.1 | No | — | — |
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Questions about Eris alternatives
What is the best alternative to Eris?
fast-check, number 1 in property-based testing tools with a score of 6.4 out of 10. The others here: Gopter, Scala Hedgehog, CsCheck and 16 more.
What is the best free alternative to Eris?
fast-check is the best-ranked alternative with a free plan. 7 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.