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 MOSTLY AI
- 2Chance.js vs Tonic Fabricate
- 3Chance.js vs Benerator
- 4Chance.js vs Synthetic Data Vault
- 5Chance.js vs Mockaroo
- 6Chance.js vs Synthesized
- 7Chance.js vs GenRocket
- 8Chance.js vs MockNeat
- 9Chance.js vs Snowfakery
- 10Chance.js vs Generatedata
- 11Chance.js vs ApexSQL Generate
- 12Chance.js vs EMS Data Generator for MySQL
- 13Chance.js vs DummyJSON
- 14Chance.js vs Synthea
- 15Chance.js vs Faker
- 16Chance.js vs JSON Schema Faker
- 17Chance.js vs Datafaker
- 18Chance.js vs Bogus
- 19Chance.js vs factory_boy
- 20Chance.js vs GoFakeIt
Chance.js alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | MOSTLY AI | 8.2 | Free plan | Free | API, Linux, self-hosted, Web |
| 2 | Tonic Fabricate | 8.1 | Free plan | $29/mo | API, self-hosted, Web |
| 3 | Benerator | 8.0 | Free plan | Free | API, Linux, Mac, self-hosted, Windows |
| 4 | Synthetic Data Vault | 7.8 | Free plan | $250/mo | API, self-hosted |
| 5 | Mockaroo | 7.7 | Free plan | $5/mo | API, self-hosted, Web |
| 6 | Synthesized | 7.5 | No | — | API, Linux, self-hosted, Web |
| 7 | GenRocket | 7.0 | No | — | API, self-hosted, Web |
| 8 | MockNeat | 6.7 | No | — | API |
| 9 | Snowfakery | 6.6 | No | — | — |
| 10 | Generatedata | 6.3 | No | — | Web |
| 11 | ApexSQL Generate | 6.2 | No | — | Windows |
| 12 | EMS Data Generator for MySQL | 6.1 | No | — | Windows |
| 13 | DummyJSON | 6.1 | Free plan | Free | API, Web |
| 14 | Synthea | 6.0 | No | — | — |
| 15 | Faker | 6.0 | No | — | — |
| 16 | JSON Schema Faker | 5.9 | No | — | Web, Windows, Mac, Linux |
| 17 | Datafaker | 5.8 | No | — | — |
| 18 | Bogus | 5.7 | No | — | Windows, Mac, Linux |
| 19 | factory_boy | 5.6 | No | — | — |
| 20 | GoFakeIt | 5.5 | No | — | — |
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Questions about Chance.js alternatives
What is the best alternative to Chance.js?
MOSTLY AI, number 1 in test data generation tools with a score of 8.2 out of 10. The others here: Tonic Fabricate, Benerator, Synthetic Data Vault and 16 more.
What is the best free alternative to Chance.js?
MOSTLY AI 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 mobile-first: a phone app alongside the web or desktop product, a free tier and the depth of its documentation.