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

Collectr
Card Ladder
TCG Stacked
BinderDex
Alt
CardIndex
CardPrices.io
CollX (“collects”) answers the age-old question: “What’s it worth?” The app can scan any baseball, football, or basketball card and instantly ID it and get the avg market value.

Which is more popular?
Based on our record, CollX 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 | collx.app |
| 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 CollX 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 CollX yet.
Walkthroughs and reviews on video.
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Is CollX an App worth getting?
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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 CollX.
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 CollX. 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.
I'd recommend starting with something like collx.app to scan the cards and get a rough sense of value. If it's past your threshold (say $50) then you can look into the pricing history a bit more. The best tools for that would probably... Source: over 3 years ago
You can use a tool like collx.app to scan each card and check how much they're selling for. If you want to look at graded copies for each card you can use cardboard.market to search up the card + the grade and see sold listings and also... Source: over 3 years ago
I started using CollX, an app to helps me figure out how much my trading cards are worth. You should get it, too! Check out my collection and add yours. Use my referral code, NZ3SY, when signing up. http://collx.app. Source: over 4 years ago
When comparing DUMMY DATABASE and CollX, you can also consider the following products.

Collectr is the world’s fastest growing collectibles portfolio manager.
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Data generator that can create a table filled with pseudo-random content.
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Free collection tracker for 13 trading card games.
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