Best Chance.js Alternatives in 2026
Updated
20 apps from test data generation tools ranked against Chance.js on the same published basis.
- 1Chance.js vs Benerator
- 2Chance.js vs YData SDK
- 3Chance.js vs dbForge Studio for PostgreSQL
- 4Chance.js vs MOSTLY AI
- 5Chance.js vs DummyJSON
- 6Chance.js vs Mimesis
- 7Chance.js vs Mockaroo
- 8Chance.js vs Tonic Fabricate
- 9Chance.js vs Synthetic Data Vault
- 10Chance.js vs Fishery
- 11Chance.js vs Synthesized
- 12Chance.js vs Generatedata
- 13Chance.js vs JSON Schema Faker
- 14Chance.js vs MockNeat
- 15Chance.js vs Bogus
- 16Chance.js vs Faker.js
- 17Chance.js vs RandomUser
- 18Chance.js vs Redgate SQL Provision
- 20Chance.js vs Datafaker
- 21Chance.js vs factory_boy
Chance.js alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Benerator | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 2 | YData SDK | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 3 | dbForge Studio for PostgreSQL | 6.5 | Free plan | $7.50/mo | Linux, Mac, Windows |
| 4 | MOSTLY AI | 6.5 | Free plan | Free | API, Linux, self-hosted, Web |
| 5 | DummyJSON | 6.4 | Free plan | Free | API, Web |
| 6 | Mimesis | 6.4 | Free plan | Free | Linux |
| 7 | Mockaroo | 6.4 | Free plan | $5/mo | API, self-hosted, Web |
| 8 | Tonic Fabricate | 6.4 | Free plan | $29/mo | API, self-hosted, Web |
| 9 | Synthetic Data Vault | 6.3 | Free plan | $250/mo | API, self-hosted |
| 10 | Fishery | 6.2 | Free plan | Free | — |
| 11 | Synthesized | 5.5 | No | — | API, Linux, self-hosted, Web |
| 12 | Generatedata | 5.4 | No | — | self-hosted, Web |
| 13 | JSON Schema Faker | 5.4 | No | — | Web, Windows, Mac, Linux |
| 14 | MockNeat | 5.4 | No | — | API |
| 15 | Bogus | 5.3 | No | — | Windows, Mac, Linux |
| 16 | Faker.js | 5.2 | No | — | Web |
| 17 | RandomUser | 5.2 | No | — | Web |
| 18 | Redgate SQL Provision | 5.2 | No | — | Linux, self-hosted, Web, Windows |
| 20 | Datafaker | 5.1 | No | — | — |
| 21 | factory_boy | 5.1 | No | — | — |
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Questions about Chance.js alternatives
What is the best alternative to Chance.js?
Benerator, number 1 in test data generation tools with a score of 6.6 out of 10. The others here: YData SDK, dbForge Studio for PostgreSQL, MOSTLY AI and 16 more.
What is the best free alternative to Chance.js?
Benerator is the best-ranked alternative with a free plan. 10 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.