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Test API App VS Mockoon

Compare Test API App VS Mockoon and see what are their differences

Test API App

Lightweight Chrome extension for API testing - No account needed. Test REST APIs, manage environments, export cURL commands.

Rating
0 reviews
Alternatives Is it good?
Mockoon

Mockoon is the easiest and quickest way to design and run mock REST APIs. No remote deployment, no account required, free and open-source.

Rating
0 reviews
Pricing
Open source Paid Free trial $15 / Monthly (5 API mocks synchronized accross your devices, 1 mock deployed)
Alternatives Is it good?
CloudCLI
Shared cloud environments for AI coding agents. Run Claude Code, Cursor CLI, Codex, and Gemini CLI from any device, API, or automation tool. sponsored

Which is more popular?

Based on our record, Mockoon seems to be more popular. It has been mentioned 35 times since March 2021.

social mentions
0 vs 35
API Testing popularity
100% vs 0%
alternatives listed
5 vs 124

Base details

Website, pricing, platforms and company facts side by side.

Test API App
Mockoon
Website test-api.app mockoon.com
Pricing —
Open source Paid Free trial $15 / Monthly (5 API mocks synchronized accross your devices, 1 mock deployed) Official pricing
Platforms —
Windows Linux Mac
Company Startup from the United States · 2025 Startup from Luxembourg · 1 - 9 employees · 2017
Listed in
APIs API Tools API Testing Chrome Extensions +1
API Tools Developer Tools APIs Automated Testing +1

Features and specs

What each product offers, as listed by its team.

Test API App 5 features
Mockoon 5 features
  • Simple Interface
    Test API App offers a clean and intuitive user interface that makes it easy for developers to quickly create and test API endpoints without a steep learning curve.
  • Fast Prototyping
    The platform allows developers to rapidly mock and prototype APIs, which speeds up the development cycle when building or testing integrations.
  • No Setup Required
    Being a web-based tool, it requires no installation or complex configuration, allowing users to start testing APIs immediately from their browser.
  • Free or Low-Cost Access
    Many features are available for free or at a low cost, making it accessible for individual developers, students, and small teams with limited budgets.
  • Useful for Learning
    It serves as a helpful tool for beginners learning about REST APIs, HTTP methods, and request/response structures in a hands-on way.
  • User-Friendly Interface
    Mockoon offers an intuitive and easy-to-navigate graphical user interface, making it accessible even for those who are not deeply familiar with API mocking.
  • Quick Setup
    Enables quick creation and running of mock servers locally, allowing developers to simulate API responses without complex configuration.
  • Open Source
    As an open-source tool, Mockoon benefits from community contributions and transparency, which can lead to faster bug fixes and feature enhancements.
  • Cross-Platform Support
    Available on multiple platforms including Windows, macOS, and Linux, offering flexibility for diverse development environments.
  • Advanced Features
    Supports advanced features like HTTPS, CORS, custom headers, and support for various response types, catering to complex API mocking needs.

Analysis

An editorial look at what each product does well and who it suits.

Test API App
Mockoon

Overall verdict

  • Test API App appears to be a developer-focused tool for testing and mocking APIs, useful for quick prototyping and API validation, but limited public information makes it hard to fully assess its reliability, security, and long-term support compared to established competitors.

Why this product is good

  • Provides a simple platform for testing API endpoints without complex setup
  • Likely useful for quick mock API creation during development
  • May offer a low barrier to entry for developers needing lightweight testing tools
  • Could save time in early-stage development or prototyping phases

Recommended for

  • Developers needing quick API mocking for prototypes
  • Small teams testing API integrations without heavy infrastructure
  • Students or hobbyists learning API development
  • Users seeking a lightweight alternative to full-scale API testing suites

Overall verdict

  • Mockoon is a valuable tool for developers who need to create mock APIs swiftly and efficiently. Its combination of ease-of-use, flexibility, and powerful features makes it a strong choice for API testing and development.

Why this product is good

  • Mockoon is considered a good tool because it provides a user-friendly interface for creating and managing mock APIs. It allows developers to simulate endpoints quickly without writing code, facilitating testing and development processes. Additionally, Mockoon is open-source, lightweight, and can be used locally without the need for an internet connection, making it secure and efficient for local development.

Recommended for

    Mockoon is recommended for developers, QA testers, and software teams who require fast and reliable mock APIs for testing or development, as well as those who prefer a lightweight, standalone solution that can be run locally on their machines.

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
Test API App
Mockoon
100% 100%
API Testing
0% 0%
0% 0%
Developer Tools
100% 100%
7% 7%
API Tools
93% 93%
100% 100%
Chrome Extensions
0% 0%

User comments

Share your experience with using Test API App and Mockoon. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

Test API App 0 mentions
Mockoon 35 mentions

Tracking Test API App since Dec 2025.

View more

Alternatives to Test API App and Mockoon

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