Mock Dream vs Mockoon
Desktop mock server · free Chrome alternative
Mockoon is a desktop mock API server. You design routes in an Electron app, then point your code at localhost.
Where Mockoon wins
Powerful for whole-API design with templating, proxy and recording.
Where Mock Dream wins
Mock Dream lives in the Chrome popup — you mock the calls the page actually makes, with zero localhost setup or app to install.
Side-by-side
| Feature | Mockoon | Mock Dream |
|---|---|---|
| Pricing | Free desktop, paid Cloud | Free forever |
| Sign-up required | Required for Cloud | Never |
| Runs a server | Yes — local Electron + optional cloud | No — runs in your tab |
| Mocks fetch + XHR | Indirect (via localhost) | Both, from one rule |
| Per-rule CORS | Per-route, manual | One toggle |
| Live traffic console | Logs panel in app | Built-in, filterable |
| Themes | 1 (default) | 6 manga themes |
| Install size | ~150 MB Electron app | <300 KB extension |
FAQ
- Is Mock Dream really a free Mockoon alternative?
- Yes. Mock Dream is MIT-licensed, has zero paid tier, no telemetry, and stores everything locally in
chrome.storage.local. - Can it replace Mockoon for my workflow?
- If your job is "intercept fetch/XHR in a browser tab and return mock JSON", yes. If you need powerful for whole-api design with templating, proxy and recording., keep Mockoon — Mock Dream and Mockoon can coexist on the same machine.
- Does Mock Dream work on Edge, Brave, Opera or Arc?
- Yes — any Chromium browser running Manifest V3 (Chrome 116+).
Try Mock Dream — no install, no sign-up
popup runs the same engine as the extension