Scala Hedgehog

Free#6 of 27 in Property-Based Testing Tools

Scala Hedgehog: A focused open-source choice for Scala teams needing generation, shrinking, and replay. Ranked #6 of 27 in Property-Based Testing Tools by our editors (8.8/10); pricing: Free plan; best for scala teams using MUnit or Minitest.

8.8/10★★★★☆Editor score

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At a glance

• Editor score
  8.8 / 10
• Pricing
  Free plan
• Best for
  Scala teams using MUnit or Minitest
• Free plan
  Yes
• Paid from
  Free
• Supported languages
  Scala, Java
• Facts checked
  20 Sep 2026

• Where it wins

  • Automatic generation and integrated shrinking simplify failing cases
  • State-machine testing supports stateful systems
  • Seed-based replay makes failures reproducible

• Where it doesn't

  • The project is described as being in an early-release stage
  • Its runner integrations are focused on sbt, Minitest, and MUnit
  • It is less broadly integrated than higher-ranked Scala alternatives

Our verdict on Scala Hedgehog

Scala Hedgehog is an open-source property-based testing library for Scala and Java programs. It generates test data from property specifications, shrinks failing examples, and supports state-machine testing for stateful systems. The project is aimed at Scala teams that want property-based testing within familiar workflows, particularly teams using MUnit, Minitest, or sbt. Documentation lists support for Scala 2.12, 2.13, and 3.3 or later, with dependencies available through sbt and Maven Central.

Its strongest technical focus is failure diagnosis. Integrated shrinking simplifies failing cases, while seed-based deterministic replay helps reproduce failures. Range combinators cover generated numbers and collections, and state-machine testing extends the library beyond isolated input-output properties to stateful systems. The runner and integrations for sbt, Minitest, and MUnit give teams several ways to fit the library into Scala test suites. Integration is more focused than broad, with the published ecosystem covering sbt, the Gradle multi-backend Scala plugin, Minitest, and MUnit.

Scala Hedgehog is open source and includes a free plan, so its pricing model does not add a paid-tier decision. The main tradeoff is project maturity: it is described as being in an early-release stage. Teams seeking automatic generation, shrinking, reproducible failures, and stateful testing in a Scala-centered workflow should consider it. Teams that need wider integrations or prefer a more established alternative may be better served elsewhere. Its focused feature set makes it a practical fit for MUnit and Minitest users, but less compelling when broad platform coverage is the priority.

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Scala Hedgehog pricing

Scala Hedgehog fact sheet

Scala Hedgehog integrations

Scala Hedgehog lists 4 integrations on its own site.

• sbt
• Gradle multi-backend Scala plugin
• Minitest
• MUnit

See all Scala Hedgehog integrations →

Alternatives to Scala Hedgehog

• fast-checkA deep, runner-agnostic testing library for JavaScript and TypeScript teams.9.4
• HypothesisA focused Python library for generated inputs, shrinking, and stateful tests.9.3
• ProptestA focused Rust framework for generated inputs, shrinking, replay, and stateful tests.9.1

See all Scala Hedgehog alternatives →

Scala Hedgehog vs the competition

• Scala Hedgehog vs fast-check
• Scala Hedgehog vs Hypothesis
• Scala Hedgehog vs Proptest
• RScala Hedgehog vs RapidCheck
• CScala Hedgehog vs CsCheck
• PScala Hedgehog vs PropEr

Compare Scala Hedgehog with any tool side by side →

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Featured on iTechGuides

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update