Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app
MATLAB
Autodesk Fusion 360
Wolfram Mathematica
AnyLogic
SimScale
HyperWorks
SimEvents
Facility design simulation & production scheduling

Which is more popular?
Based on our record, Mockaroo seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Mockaroo
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Simio
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| Website | mockaroo.com | simio.com |
| Pricing | — | |
| Listed in |
What each product offers, as listed by its team.
Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.
No analysis of Mockaroo yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Best Free Sample Data Generator - Mockaroo.com
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Simio Scheduling Overview Demo
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How often each product is chosen within a category, 0–100% relative to the other.
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Recommendations tracked on public social media and blogs since March 2021.
If you give it the rules to generate something, why can't it generate it? That's what something like Mockaroo[0] does. It's just more formal. That's pretty much what LLM training does, extracting patterns from a huge corpus of text. Then... - Source: Hacker News / over 1 year ago
A quick way to test this out is to use a tool like Mockaroo to generate some test data and then have a Glue Crawler analyse the data in S3 and create the required data catalog entries. - Source: dev.to / over 2 years ago
Mockaroo — Mockaroo lets you generate realistic test data in CSV, JSON, SQL, and Excel formats. You can also create mocks for back-end API. - Source: dev.to / over 2 years ago
Tracking Simio since Mar 2021.
When comparing Mockaroo and Simio, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
Compare Generate Data to Mockaroo or Simio:

A high-level language and interactive environment for numerical computation, visualization, and programming
Compare MATLAB to Mockaroo or Simio:


Integrated CAD, CAM, and CAE featuring collaborative editing and cloud-based computation.
Compare Autodesk Fusion 360 to Mockaroo or Simio:

Mathematica has characterized the cutting edge in specialized processing—and gave the chief calculation environment to a large number of pioneers, instructors, understudies, and others around the globe.
Compare Wolfram Mathematica to Mockaroo or Simio: