Skip to content
Toolradar
Mockoon logo

Mockoon

Claim this tool Editor reviewed

Create local mock APIs instantly, no internet needed

From $25/mo (free plan available)
Freemium Developer Tools API Tools Testing & QA
Visit Website
Reviews on G2 Capterra
19 reviews tracked

The Bottom Line

Price
From $25/mo (free plan available). Compare plans

Key facts

  • Mockoon is a free desktop application for creating mock APIs locally
  • It simulates REST APIs with customizable responses for development and testing
  • Completely free and open-source

Pros

  • Local mock APIs
  • Easy to use
  • Open source
  • Good features
  • Cross-platform

Cons

  • Local only
  • Learning curve
  • Limited to mocking
  • UI could improve
  • Alternatives exist

What is Mockoon?

Editorial review
Mockoon creates mock APIs locally. Desktop app for API mocking-simulate backends without internet or signup. The app runs locally. The setup is fast. The features cover mocking needs. Developers wanting local API mocks use Mockoon for desktop mock servers.

Available on: Windows, macOS, Linux, Web

how we evaluate Source mockoon.com ↗

Ratings Across the Web

4.5 (19 reviews)

Mockoon holds an aggregate rating of 4.5 out of 5 from 19 reviews across G2 and Capterra, last checked September 17, 2026.

G2 17 reviews
4.5/5
Capterra 2 reviews
4.5/5

Ratings aggregated from independent review platforms. Learn more

Key Features

  • API mocking
  • Local server
  • OpenAPI import
  • Response rules
  • Logs
  • Open source

Pricing Plans

Pricing checked Oct 11, 2026

Mockoon plans and prices, checked October 2026
PlanPriceDetails
Open Source Popular

$0

Free

  • Mock APIs
  • Desktop app
  • CLI
Pro

$25/month

Cloud sync

  • Team sharing
  • Enterprise support
Calculate your cost View full pricing

Is Mockoon worth the price?

Great value

Mockoon's pricing is very generous, offering a fully functional open-source version for free.

The Pro tier at $25/month for cloud sync and team sharing is a fair price for collaborative teams. This pricing model is best for individual developers who need a robust mocking tool without cost, and small to medium teams requiring collaboration features.

Full Mockoon pricing: every plan, hidden costs and alternatives

Reviews

Improve Your Thinking Patterns Using ChatGPT cover
$99 Free with your review

Review Mockoon, get a free AI guide

Share your experience and we will send you Improve Your Thinking Patterns Using ChatGPT, free.

Write a review
4.5/5

Across 19 verified user reviews on G2, Capterra

Add your hands-on experience using the offer above to help the next buyer.

Best Mockoon Alternatives

Top alternatives based on features, pricing, and user needs.

Postman logo
Postman Freemium

API platform for building and using APIs

4.6
Stoplight logo
Stoplight Freemium

Visually design, manage, and publish OpenAPI specs

4.4
SwaggerHub logo
SwaggerHub Paid

Design, test, and govern AI-ready APIs with enhanced collaboration and automation.

4.2
See all developer tools →

Still deciding?

Most buyers shortlist 2 or 3 tools before committing. Pull a side-by-side comparison or browse the full alternatives shortlist below.

Mockoon vs Postman Head-to-head: features, pricing, who wins Mockoon vs Stoplight Head-to-head: features, pricing, who wins Mockoon vs SwaggerHub Head-to-head: features, pricing, who wins

Explore More

Mockoon FAQ

How does Mockoon support API development workflows?

Mockoon allows developers to create local mock APIs instantly, which helps simulate backends without needing an internet connection or signup. This enables front-end and mobile developers to work independently from backend development schedules.

Which teams benefit most from using Mockoon?

Mockoon is ideal for development teams, particularly front-end and mobile developers, who need to test their applications against an API that may not yet be fully developed or is frequently changing. It provides a stable local environment for testing and development.

How does Mockoon compare to Postman for API mocking?

Mockoon focuses specifically on creating local mock APIs instantly, offering a desktop app for simulating backends without internet access. While Postman offers a broader range of API development tools, Mockoon specializes in local, offline API mocking.

What kind of limitations should users be aware of with Mockoon?

Mockoon is designed for local-only API mocking, meaning it does not support cloud-based or shared mock environments. Users should also anticipate a learning curve and be aware that the UI could be improved.

Does Mockoon include a free tier?

Yes, Mockoon is available on a free tier, allowing users to access its core features for creating local mock APIs. Paid plans are also offered for those requiring more extensive usage and additional features.

Can Mockoon be used across different operating systems?

Yes, Mockoon is a cross-platform application. This allows developers to use it on various operating systems to create local mock APIs and simulate backends.

Source: mockoon.com

Guides & Articles

Best Prompt Management & PromptOps Tools 2026

Expert guide

Best Headless CMS Platforms in 2026

Expert guide

Best LLM Observability Tools in 2026

Expert guide