Head-to-Head Comparison · Alternative to Testfully · 🛠️ dev tools
Testfully vs Mockoon
Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features. Here is how Mockoon ($0/mo open source) stacks up against Testfully ($25/mo) across cost, hosting, data privacy, and real-world trade-offs.
Mockoon is a verified Open Source-licensed open-source replacement for Testfully. Switching from Testfully ($25/mo) saves $300/yr per solo seat, or $1,500/yr for a 5-person team. Deployment: Runs on Local.
The catch: Community-driven open source project without dedicated enterprise SLAs.
Mockoon
$0.00/mo · Open Source
Testfully vs Mockoon Specifications
facts verified 2026-11-07
| Dimension | Testfully (Paid) | Mockoon (Replacement) |
|---|---|---|
| Monthly Price | $25 / mo | $0 / mo |
| 1-Year Cost (1 seat) | $300 / yr | $0 / yr (Save $300) |
| 1-Year Cost (5 seats) | $1,500 / yr | $0 / yr (Save $1,500) |
| 1-Year Cost (10 seats) | $3,000 / yr | $0 / yr (Save $3,000) |
| Source & License | Proprietary SaaS | open source Open Source |
| Where It Runs | Vendor Cloud | Local (on your machine) |
| Platforms | Web / Cloud | desktopcross-platformone-click install |
| GitHub Stars | — | ★ 8.5k (active nov 2026) |
Deep Dive: Switching from Testfully to Mockoon
Trade-offs, installation & data architecture
What you trade away
Community-driven open source project without dedicated enterprise SLAs.
How to deploy Mockoon
Clone https://github.com/mockoon/mockoon or deploy with Docker Compose
What it takes to run
Download the native package or installer for your operating system.
Where your data lives
All application data lives locally on your own machine.
Why fork Mockoon instead of vibe-coding a Testfully clone?
Instead of paying recurring SaaS fees for Testfully or rebuilding it from scratch, deploy one of the 11 battle-tested open-source alternatives like Hoppscotch.
Testfully vs Mockoon FAQ
Is Mockoon a good free alternative to Testfully?+
Yes. Mockoon is a verified open-source (Open Source) replacement for Testfully. Create, run, and share mock REST APIs without coding. Boost productivity with an intuitive interface and powerful features.
What is the catch when switching from Testfully to Mockoon?+
Community-driven open source project without dedicated enterprise SLAs.
How much do you save switching from Testfully to Mockoon?+
Testfully costs $25/mo ($300/yr) per seat, whereas Mockoon is $0/mo. Switching saves $300/yr for a solo user, $1,500/yr for a 5-person team, and $3,000/yr for a 10-person team.
How do I install or self-host Mockoon instead of Testfully?+
Install: Clone https://github.com/mockoon/mockoon or deploy with Docker Compose. Setup: Download the native package or installer for your operating system.
