Best Pretender.js Alternatives in 2026
Updated
20 apps from API mocking tools ranked against Pretender.js on the same published basis.
- 1Pretender.js vs Microcks
- 2Pretender.js vs Mockzilla
- 3Pretender.js vs MockServer
- 4Pretender.js vs Mockttp
- 5Pretender.js vs WireMock
- 6Pretender.js vs Mockfly
- 7Pretender.js vs Knockout API
- 8Pretender.js vs MockAPI
- 9Pretender.js vs moqapi.dev
- 10Pretender.js vs WireMock
- 11Pretender.js vs json-server
- 12Pretender.js vs MockWebServer
- 13Pretender.js vs Stoplight Elements
- 14Pretender.js vs Parasoft SOAtest
- 15Pretender.js vs Imposter
- 16Pretender.js vs Mockoon
- 17Pretender.js vs OpenAPI Mock
- 18Pretender.js vs Mock Service Worker
- 19Pretender.js vs Mocki
- 20Pretender.js vs OpenAPI Server
Pretender.js alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Microcks | 6.7 | Free plan | Free | API, Browser, Linux, Mac, self-hosted, Web, Windows |
| 2 | Mockzilla | 6.7 | Free plan | $10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 3 | MockServer | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | Mockttp | 6.6 | Free plan | Free | Linux, Mac, self-hosted, Web, Windows |
| 5 | WireMock | 6.6 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 6 | Mockfly | 6.5 | Free plan | €15/mo | API, Browser, Linux, self-hosted, Web |
| 7 | Knockout API | 6.4 | Free plan | $0.02/mo | API, Web |
| 8 | MockAPI | 6.4 | Free plan | $2.92/mo | API, Web |
| 9 | moqapi.dev | 6.4 | Free plan | $29/mo | API, Web |
| 10 | WireMock | 6.4 | Free plan | Free | API, Linux, self-hosted, Web |
| 11 | json-server | 6.3 | Free plan | Free | API, self-hosted |
| 12 | MockWebServer | 6.3 | Free plan | Free | — |
| 13 | Stoplight Elements | 6.3 | Free plan | Free | self-hosted, Web |
| 14 | Parasoft SOAtest | 5.7 | No | — | Android, API, iOS, Linux, Mac, self-hosted, Windows |
| 15 | Imposter | 5.6 | No | — | Linux, Mac, self-hosted, Windows |
| 16 | Mockoon | 5.6 | No | €10/mo | API, Linux, Mac, self-hosted, Web, Windows |
| 17 | OpenAPI Mock | 5.5 | No | — | Linux, self-hosted, Windows |
| 18 | Mock Service Worker | 5.4 | No | — | self-hosted, Web |
| 19 | Mocki | 5.4 | No | $15/mo | API, self-hosted, Web |
| 20 | OpenAPI Server | 5.4 | No | — | API, self-hosted |
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Questions about Pretender.js alternatives
What is the best alternative to Pretender.js?
Microcks, number 1 in API mocking tools with a score of 6.7 out of 10. The others here: Mockzilla, MockServer, Mockttp and 16 more.
What is the best free alternative to Pretender.js?
Microcks is the best-ranked alternative with a free plan. 13 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.