vioscale
Comparison

Mock Service Worker (MSW) vs Mockoon

On the evidence we track, Mockoon leads this comparison with a composite score of 71/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Mock Service Worker (MSW) full profile →Mockoon full profile →
Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Mock Service Worker (MSW)58
★Mockoon71
Score
Vioscale score
Mock Service Worker (MSW)58 / 100high · 81%
Mockoon71 / 100medium · 74%
Pricing
Free tier
Mock Service Worker (MSW)✓
Mockoon✓
Model
Mock Service Worker (MSW)commercial
Mockoonfreemium
Price level
Mock Service Worker (MSW)free
Mockoonhigh
Transparent
Mock Service Worker (MSW)–
Mockoon✓
Integrations
Count
Mock Service Worker (MSW)8
Mockoon8
Security
Disclosure policy
Mock Service Worker (MSW)–
Mockoon✓
Scorecard
Mock Service Worker (MSW)6.2
Mockoon–
Vulnerabilities
Reliability
Sla pct
Mock Service Worker (MSW)–
Mockoon99.9
Status page
Mock Service Worker (MSW)–
Mockoon✓
Adoption
Dependent repos
Mock Service Worker (MSW)11,851
Mockoon–
Github stars
Mock Service Worker (MSW)18,168
Mockoon–
Release
Cadence days
Mock Service Worker (MSW)2
Mockoon–
History
Mock Service Worker (MSW)20 items
Mockoon–
License
Spdx
Mock Service Worker (MSW)MIT
Mockoon–
Language
Primary
Mock Service Worker (MSW)TypeScript
Mockoon–
Market
Availability

Capabilities

Feature-by-feature on the axes that matter for api mocking. “-” means undocumented, not absent.

Capabilities
Mocking mode
Mock Service Worker (MSW)-
Mockoon-
Stateful scenarios
Mock Service Worker (MSW)-
Mockoon-
Fault chaos injection
Mock Service Worker (MSW)-
Mockoon-
Openapi import
Mock Service Worker (MSW)-
Mockoon-
Proxy passthrough
Mock Service Worker (MSW)-
Mockoon-
Admin API
Mock Service Worker (MSW)-
Mockoon-
Deployment
Mock Service Worker (MSW)-
Mockoon-
Legacy protocol virtualization
Mock Service Worker (MSW)-
Mockoon-
Collaboration sharing
Mock Service Worker (MSW)-
Mockoon-
Ci cd integration
Mock Service Worker (MSW)-
Mockoon-
Open source
Mock Service Worker (MSW)-
Mockoon-
Market segment
Mock Service Worker (MSW)-
Mockoon-
Pricing model
Mock Service Worker (MSW)-
Mockoon-

What each one is

The product in its own terms, so the numbers below have context.

Mock Service Worker (MSW)

An API mocking library that intercepts network requests at the browser and Node.js levels, allowing consistent mock responses across testing frameworks, tools, and applications without requiring client-specific stubs or configuration.

Independently observed

Mockoon

Leader

A tool for creating and testing mock REST APIs with an intuitive desktop interface, command-line tools, and cloud collaboration options. It supports advanced features like dynamic templating, request rules, webhooks, and serverless deployment.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Mock Service Worker (MSW)

Open sourceFree tier
as of verify ↗

Mockoon

Leader
from $100/moHybridFree tier14-day trial

Free open-source desktop and CLI. Team plan from $100/month (annual). Enterprise with custom pricing.

  • Team$100/month billed annually (saves 30% vs monthly)
    • All open-source features (unlimited mocking, CLI, OpenAPI support, webhooks, serverless compatibility)
    • Cloud deployment and hosting
    • Web application access
    • Real-time team collaboration
    • Cloud data synchronization across devices
    • +5 more
  • EnterpriseContact sales
    • All Team plan features
    • Custom quotas and limits
    • Optional dedicated instances
    • Custom cloud region selection
    • Enterprise-grade support with custom SLA
    • +3 more
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Mock Service Worker (MSW)✓
Mockoon✓
macOS
Mock Service Worker (MSW)✗
Mockoon✓
Windows
Mock Service Worker (MSW)✗
Mockoon✓
Linux
Mock Service Worker (MSW)✗
Mockoon✓
CLI
Mock Service Worker (MSW)✓
Mockoon✓
Deployment
Cloud / SaaS
Mock Service Worker (MSW)–
Mockoon✓
Self-hosted
Mock Service Worker (MSW)–
Mockoon✓
On-premise
Mock Service Worker (MSW)–
Mockoon✓
Hybrid
Mock Service Worker (MSW)–
Mockoon✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Mock Service Worker (MSW)

8 total
  • Vitest
  • Playwright
  • Storybook
  • React Native
  • Express
  • fetch
  • axios
  • react-query
Independently observed

Mockoon

Leader
8 total
  • OpenAPI
  • AWS Lambda
  • Google Cloud Functions
  • Firebase Functions
  • GitHub Actions
  • CircleCI
  • Travis CI
  • Docker
Independently observed

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.