Best PropEr Alternatives in 2026
Updated
20 tools from property-based testing tools ranked against PropEr on the same published basis.
- 1PropEr vs Gopter
- 2PropEr vs Hypothesis
- 3PropEr vs fast-check
- 4PropEr vs QuickCheck
- 5PropEr vs Scala Hedgehog
- 6PropEr vs CsCheck
- 7PropEr vs RapidCheck
- 8PropEr vs Proptest
- 9PropEr vs Rapid
- 10PropEr vs SwiftCheck
- 11PropEr vs Eris
- 12PropEr vs JSVerify
- 13PropEr vs StreamData
- 14PropEr vs FSharp.Hedgehog
- 15PropEr vs PropCheck
- 17PropEr vs QCheck
- 18PropEr vs QuickTheories
- 19PropEr vs test.check
- 20PropEr vs Plausible
- 21PropEr vs Racket QuickCheck
PropEr alternatives compared
| # | Tool | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Gopter | 7.0 | Free plan | Free | Linux, self-hosted |
| 2 | Hypothesis | 6.9 | No | — | Linux, Mac, Windows |
| 3 | fast-check | 6.8 | Free plan | Free | API, Linux, Web |
| 4 | QuickCheck | 6.8 | Free plan | Free | Linux |
| 5 | Scala Hedgehog | 6.8 | Free plan | Free | Linux |
| 6 | CsCheck | 6.6 | Free plan | Free | self-hosted |
| 7 | RapidCheck | 6.6 | No | — | Linux, self-hosted, Windows |
| 8 | Proptest | 6.5 | No | — | Web |
| 9 | Rapid | 6.5 | Free plan | Free | self-hosted |
| 10 | SwiftCheck | 5.8 | No | — | Mac, iOS |
| 11 | Eris | 5.7 | No | — | — |
| 12 | JSVerify | 5.7 | No | — | — |
| 13 | StreamData | 5.7 | No | — | — |
| 14 | FSharp.Hedgehog | 5.6 | No | — | — |
| 15 | PropCheck | 5.6 | No | — | — |
| 17 | QCheck | 5.6 | No | — | — |
| 18 | QuickTheories | 5.6 | No | — | — |
| 19 | test.check | 5.6 | No | — | — |
| 20 | Plausible | 5.5 | No | — | — |
| 21 | Racket QuickCheck | 5.5 | No | — | — |
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Questions about PropEr alternatives
What is the best alternative to PropEr?
Gopter, number 1 in property-based testing tools with a score of 7.0 out of 10. The others here: Hypothesis, fast-check, QuickCheck and 16 more.
What is the best free alternative to PropEr?
Gopter is the best-ranked alternative with a free plan. 6 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, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing.