
Mockaroo
DataConstruct
Data Creator
Datamade
Random Data
Generate and manage synthetic datasets easily with DUMMY DATABASE

JEFIT
InTouch Technology
Fitness Marketing 360
Hevy
Strong.app
Simple Workout Log
HeroSnatch
A workout tracker actually worth using

Which is more popular?
Based on our record, Stacked seems to be more popular. It has been mentioned 3 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | dummydatabase.com | legionathletics.com |
| Pricing | — | |
| Platforms | — | |
| Company | Startup from Serbia · 1 - 9 employees · 2024 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Dummy Database is built to solve a simple, yet annoying problem — generating realistic test datasets quickly, without writing scripts or juggling Excel files. It’s designed for: - Developers needing dummy databases for prototyping & testing. - Analysts and BI specialists preparing demo...
No description of Stacked yet.
What each product offers, as listed by its team.


Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
No analysis of Stacked yet.
Walkthroughs and reviews on video.
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StackedInvest Experience After 3 months: Why I Quit
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DUMMY DATABASE and Stacked.
DUMMY DATABASE's answer
A free, all-in-one data generation platform that builds everything from simple tables to full relational databases with advanced controls, unique event sequences, ERD visualization, built-in SQL querying, and multiple export formats — no limits, no paywalls.
DUMMY DATABASE's answer
Unlike other data generators, DUMMY DATABASE gives you full relational database creation, unique event simulations, advanced control over every field, built-in SQL querying, and generous free limits — so you can go from idea to test-ready data without restrictions, subscriptions, or hidden fees
DUMMY DATABASE's answer
DUMMY DATABASE's answer
Began as a project for myself to be able to have custom datasets for testing purpose I've decided that it could be useful for wider audience and finalized it as a full-stack web project
DUMMY DATABASE's answer
Python, Flask, HTML, CSS, Bootstrap, Redis, PostgreSQL, JavaScript
Share your experience with using DUMMY DATABASE and Stacked. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Tracking DUMMY DATABASE since Aug 2025.
This is my favorite tracking app if you want to track your weights each workout. Source: about 3 years ago
I used it for a while, but then at some point I had to log in every time my phone screen went to sleep, so I stopped using it. I had 3 on the go anyway, trying to decide which I like best. Now I’m down to Stacked and Hardy. Source: over 3 years ago
Https://legionathletics.com/stacked/ I like this app because it’s super simple to use, is completely free, and comes preloaded with a few good programs. I have also manually added my current program to both this app and the Caliber app... Source: over 3 years ago
When comparing DUMMY DATABASE and Stacked, you can also consider the following products.

Jefit is the #1 popular gym workout app for Android and iOS. Jefit allows you to manage your training routine and keep track of your workout progress easily.
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InTouch Technology's member lifecycle management solutions are built exclusively for the health & fitness industry.
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Data generator that can create a table filled with pseudo-random content.
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Learn 7 fitness marketing ideas and tips that will help you generate leads and expose your brand. Design and video examples for digital marketing.
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