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Head-to-head · API Mocking Tools

MockServer vs Mockoon

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score MockServer #2 in API Mocking Tools 9.1/10 Free plan Free plan✓ 0 of 4 features Visit MockServer
Mockoon #6 in API Mocking Tools 8.6/10 Free plan Free plan✓ 0 of 4 features Visit Mockoon

MockServer leads on 0 checks, Mockoon on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMockServer · 9.1/10
  • Free planboth

MockServer scores higher on our rubric for api mocking tools: 9.1 against 8.6 out of 10; our editors rank them #2 and #6.

MockServer is the better fit for self-hosted teams needing deep controls. Mockoon is the better fit for teams wanting a polished local-to-cloud workflow.

  • MockServer fits best

    Self-hosted teams needing deep controls

  • Mockoon fits best

    Teams wanting a polished local-to-cloud workflow

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature MockServer 9.1/10 Visit ↗ Mockoon 8.6/10 Visit ↗
At a glance
Editor score 9.1 8.6
Ranking #2 in API Mocking Tools #6 in API Mocking Tools
Best for Self-hosted teams needing deep controls Teams wanting a polished local-to-cloud workflow
Pricing model Free Free plan + paid
Starting price Free plan $100/mo
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Cloud, Self-hosted, Desktop
Platforms Web, Windows, macOS, Linux Web, Windows, macOS, Linux
Support Docs Email, Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features MockServer 0/4 · Mockoon 0/4
Dynamic responses Not checked yet Not checked yet
OpenAPI import Not checked yet Not checked yet
Mock data generation Not checked yet Not checked yet
Local deployment Not checked yet Not checked yet
Specs
Request matching Not checked yet Not checked yet
Supported protocols Not checked yet Not checked yet
Our review
Pros
  • Mocks HTTP, HTTPS, and gRPC services with proxying
  • Includes recording, replay, verification, and contract testing
  • Supports chaos injection, stateful data, and multiple client options
  • Rule-based, stateful, and CRUD-backed API mocks
  • OpenAPI, recording, proxying, callbacks, CLI, Docker, and GitHub Actions
  • Local desktop app plus cloud deployment and real-time collaboration
Cons
  • Requires teams to manage the self-hosted deployment
  • Its broad scope may demand more engineering involvement
  • Built-in capabilities are focused on API and service testing
  • Team pricing starts at $100/month billed annually
  • Cloud Team plan includes only 3 deployed API mocks
  • Primarily focused on API mocking and virtualization
Our verdict

MockServer is a free, open-source tool for teams that need to mock and proxy HTTP, HTTPS, or gRPC services in environments they control. It helps isolate dependencies, create controllable responses, record and replay traffic, verify…

Read the review →

Mockoon is an open-source API mocking and sandboxing tool for developers and teams. Its desktop application creates local REST APIs with routing rules, dynamic templating, stateful responses, fake JSON databases, request recording,…

Read the review →
  1. MockServerAPI Mocking Tools 9.1Free plan
  2. MockoonAPI Mocking Tools 8.6Free plan

Strengths and trade-offs

  • MockServer — where it wins

    • Mocks HTTP, HTTPS, and gRPC services with proxying
    • Includes recording, replay, verification, and contract testing
    • Supports chaos injection, stateful data, and multiple client options

    Where it doesn't

    • Requires teams to manage the self-hosted deployment
    • Its broad scope may demand more engineering involvement
    • Built-in capabilities are focused on API and service testing

  • Mockoon — where it wins

    • Rule-based, stateful, and CRUD-backed API mocks
    • OpenAPI, recording, proxying, callbacks, CLI, Docker, and GitHub Actions
    • Local desktop app plus cloud deployment and real-time collaboration

    Where it doesn't

    • Team pricing starts at $100/month billed annually
    • Cloud Team plan includes only 3 deployed API mocks
    • Primarily focused on API mocking and virtualization

More comparisons

All API mocking tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update