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Fake Filler vs Mockoon: Which is Better in 2026?

Choosing between Fake Filler and Mockoon comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Mockoon wins this matchup. Our overall Testing & QA pick is Testing Library. Our free Testing & QA pick is Testing Library. Pick Fake Filler if you need testing & QA.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Sep 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

Fake Filler

The quickest way to fill all inputs on a page with fake data for testing forms.

Best for you if:

  • You want significantly reduces time spent on manual form filling
  • You want highly customizable to fit various testing needs

Mockoon

Create local mock APIs instantly, no internet needed

Best for you if:

  • You want local mock APIs
  • You want easy to use
At a Glance
Fake FillerFake Filler
MockoonMockoon
Starts at
FreeFree tier available
FreeFree tier available
Best For
Testing & QADeveloper Tools
Rating
-4.5/5
Free plan
Yes Yes

Choose Fake Filler or Mockoon?

Fake Filler

Choose Fake Filler if

The quickest way to fill all inputs on a page with fake data for testing forms.

  • You want significantly reduces time spent on manual form filling
  • You want highly customizable to fit various testing needs
  • Your work is testing & QA-shaped, not developer tools-shaped
Mockoon

Choose Mockoon if

Create local mock APIs instantly, no internet needed

  • You want local mock APIs
  • You want easy to use
  • Your work is developer tools-shaped, not testing & QA-shaped
FeatureFake FillerMockoon
Pricing ModelFreemiumFreemium
User RatingNo ratings yet
4.5/5
19 reviews
Categories
Testing & QADeveloper Tools
Developer ToolsAPI Tools

In-Depth Analysis

Fake FillerFake Filler

The quickest way to fill all inputs on a page with fake data for testing forms.

Starts at Free
Great value

Fake Filler offers a very fair and generous pricing model.

Watch out

No seat minimums or overage fees.

Strengths

  • +Significantly reduces time spent on manual form filling
  • +Highly customizable to fit various testing needs
  • +Settings sync across browsers for convenience
  • +Supports modern web frameworks like React, Vue.js, and Angular
  • +Offers a free tier with essential features

Weaknesses

  • -Limited custom fields in the free version
  • -Requires a subscription for unlimited custom fields

Key features

Automatic form filling with fake dataCustomizable filling rulesKeyboard shortcut for quick fillingSync settings across browsersURL-specific custom fields (multiple profiles)No ads and no tracking

MockoonMockoon

Create local mock APIs instantly, no internet needed

Starts at Free
Great value

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

Strengths

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

Weaknesses

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

Key features

API mockingLocal serverOpenAPI importResponse rulesLogsOpen source

Pricing: Fake Filler vs Mockoon

PlanFake FillerMockoon
Tier 1
Free
Lite
Free
Open Source
Tier 2
$3.99/month
Pro - Monthly
$25 month
Pro
Tier 3
$40/year
Pro - Yearly
N/A

Pricing verified from each vendor's public pricing page. Compare in detail on Fake Filler pricing and Mockoon pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: Fake Filler

Want the highest-rated option?

Mockoon is rated 4.5/5. Fake Filler has no ratings yet.

Go with: Mockoon

Value user reviews?

Fake Filler: no ratings yet. Mockoon: 19 reviews (4.5/5).

Go with: Mockoon

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Fake Filler is a testing & QA tool. Mockoon is in developer tools. Pick the category that matches your needs.

3

How important are ratings?

Mockoon is rated 4.5/5; Fake Filler has no ratings yet.

Key Takeaways

Mockoon

  • Free tier available
  • Our pick for this comparison

Fake Filler

  • Better fit for testing & QA

The Bottom Line

Mockoon wins this matchup. Our overall Testing & QA pick is Testing Library. Our free Testing & QA pick is Testing Library.

Frequently Asked Questions

Is Fake Filler or Mockoon better?

Mockoon is rated in our evaluation. Both are freemium.

What are Fake Filler and Mockoon used for?

Fake Filler: The quickest way to fill all inputs on a page with fake data for testing forms.. Mockoon: Create local mock APIs instantly, no internet needed.

What does Fake Filler cost vs Mockoon?

Fake Filler is freemium (free tier + paid plans). Mockoon is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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