Generate Data
Faker
DataConstruct
Beeceptor
Fake Data
ExtendsClass JSON Generator
Smock-it
A realistic data generator to test your app

Ntfy
Pushover
Gotify
LogSnag
Real-Time Monitoring for Your Business, Live on Your Lock Screen

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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M
Mockaroo
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|---|---|---|
| Website | mockaroo.com | activitysmith.com |
| Pricing | ||
| Platforms | — | |
| Company | — | 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Mockaroo yet.
Send Push Notifications to your devices for any business or operational event, from new signups and feature adoption to operational failures. Monitor live metrics and long-running processes like deployments and automations with Live Activities
What each product offers, as listed by its team.

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
More videos
Meet ActivitySmith: Real-time Backend Progress and Events for You and Your Team
How often each product is chosen within a category, 0–100% relative to the other.

As answered by people managing Mockaroo and ActivitySmith.
ActivitySmith's answer:
Developers, DevOps, technical teams, CTOs
ActivitySmith's answer:
ActivitySmith is the stronger choice for internal engineering and operations teams that want more than just notifications. Live Activities, Rich Push Notifications, Lock Screen Widgets, channels, and official SDKs make it a better fit when backend workflows need to stay visible while they run.
ActivitySmith's answer:
ActivitySmith offers not only push notifications, but essentially full control over users' lock screen. Live Activities are powerful way to monitor long-running tasks in a real time.
Share your experience with using Mockaroo and ActivitySmith. For example, how are they different and which one is better?
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 ActivitySmith since Jul 2026.
When comparing Mockaroo and ActivitySmith, you can also consider the following products.

GenerateData.com: free, GNU-licensed, random custom data generator for testing software
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Faker is a PHP library that generates fake data for you
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Real-time notifications on your Android, iPhone, iPad, and Desktop
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a simple self-hosted server for sending and receiving messages
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