
Paved
LetterHunt
LetterWell
SponsorGap
PEAR
beehiiv
Hecto
Swapstack, now acquired by beehiiv! Check out what we're doing over at beehiiv's incredible ad network: https://www.beehiiv.com/features/ad-network/brands and come thrive with the hiiv!

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

Which is more popular?
Based on our record, Swapstack seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | swapstack.co | dummydatabase.com |
| Pricing | ||
| Platforms | ||
| Company | 2023 | Startup from Serbia · 1 - 9 employees · 2024 |
| Listed in |
In their own words, as submitted to SaaSHub.


Swapstack is the self-serve newsletter marketing platform that lets you sponsor countless independent newsletters (like Flipboard) without the added stress of emails and logistics. Choose between a CPA or PPC model and work with up to 1,000 publishers at once! Plus, enjoy a streamlined...
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...
What each product offers, as listed by its team.


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


No analysis of Swapstack yet.
Overall verdict
Why this product is good
Recommended for
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Swapstack and DUMMY DATABASE.
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 Swapstack and DUMMY DATABASE. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Go to swapstack.co and make an ad posting there with correct details about your newsletter. Source: over 4 years ago
💡 Top tip: Check out marketplaces that are trying to make the process of newsletter advertising more transparent. The top three are Swapstack, Paved, and Hecto. Source: over 4 years ago
I use https://swapstack.co/ for Sponsorships. Source: almost 5 years ago
Tracking DUMMY DATABASE since Aug 2025.
When comparing Swapstack and DUMMY DATABASE, you can also consider the following products.

Email marketing and sponsored content, simplified. Close more sponsorship deals or reach targeted, engaged audiences. Discover the Paved difference.
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A realistic data generator to test your app
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LetterHunt connects you to 10,000+ niche, active newsletter writers to promote your product.
Compare LetterHunt to Swapstack or DUMMY DATABASE:


Buy and sell ad space in email newsletters
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Data generator that can create a table filled with pseudo-random content.
Compare Data Creator to Swapstack or DUMMY DATABASE: