Scala Hedgehog vs PropEr

Scala Hedgehog8.8Visit PPropEr8.7Visit

Higher score Scala Hedgehog #6 in Property-Based Testing Tools 8.8/10 Free plan Free plan✓ 3 of 3 features Visit Scala Hedgehog

vs

P PropEr #7 in Property-Based Testing Tools 8.7/10 Free plan Free plan✓ 2 of 3 features Visit PropEr

• Scala Hedgehog fits best

  Scala teams using MUnit or Minitest

• PropEr fits best

  Erlang teams testing stateful systems

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Side by side

Feature	Scala Hedgehog 8.8/10 Visit ↗	PPropEr 8.7/10 Visit ↗
At a glance
Editor score	8.8	8.7
Ranking	#6 in Property-Based Testing Tools	#7 in Property-Based Testing Tools
Best for	Scala teams using MUnit or Minitest	Erlang teams testing stateful systems
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Self-hosted
Support	Docs	Community
Integrations	4 integrations	2 integrations
Built for	Solo, Small business, Mid-market, Enterprise	Solo, Small business, Mid-market, Enterprise
Features Scala Hedgehog 3/3 · PropEr 2/3
Failing-case shrinking	✓	✓
Stateful testing	✓	✓
Reproducible failures	✓ (best)	Not checked yet
Specs
Supported languages	Scala, Java	Erlang
Test runner support	sbt, Minitest, MUnit	EUnit, Common Test
Cases per run	Not checked yet	Not checked yet
Our review
Pros	Automatic generation and integrated shrinking simplify failing cases State-machine testing supports stateful systems Seed-based replay makes failures reproducible	Generates inputs from PropEr types and native Erlang types Tests stateful systems with generated command sequences Attempts to shrink failures and supports targeted testing
Cons	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	Supports Erlang rather than a range of programming languages Requires a self-hosted deployment Support is community-based
Our verdict	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… Read the review →	PropEr is an open-source property-based testing tool for developers writing Erlang programs. Rather than checking only hand-picked examples, teams define properties and input types, then generate inputs to check whether those properties… Read the review →

Strengths and trade-offs

• Scala Hedgehog — 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

• PropEr — where it wins

  • Generates inputs from PropEr types and native Erlang types
  • Tests stateful systems with generated command sequences
  • Attempts to shrink failures and supports targeted testing

  Where it doesn't

  • Supports Erlang rather than a range of programming languages
  • Requires a self-hosted deployment
  • Support is community-based

• Scala Hedgehog8.8/10 · Free plan

  A focused open-source choice for Scala teams needing generation, shrinking, and replay.

  Visit Scala HedgehogFull verdict →
• PPropEr8.7/10 · Free plan

  A focused Erlang tool for generated properties, stateful models, and smaller failure cases.

  Visit PropErFull verdict →