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

Airmail
Thunderbird
Mailbird
Spark Mail
Canary Mail
Apple Mail
Nylas Mail
Native email app for email productivity.

Which is more popular?
Based on our record, Polymail seems to be more popular. It has been mentioned 1 time since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | dummydatabase.com | app.polymail.io |
| 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 Polymail 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
Overall verdict
Why this product is good
Recommended for
Polymail is recommended for business professionals, sales teams, and marketing specialists who need insights and tools to manage their email communications effectively. It is also suited for teams that require collaborative email functionalities and integration with other business tools.
Walkthroughs and reviews on video.
No DUMMY DATABASE videos yet. You could help us improve this page by suggesting one.
Best Mailbox Alternative For Mac OSX (Polymail)
More videos
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing DUMMY DATABASE and Polymail.
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 Polymail. 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.
Polymail - This one is a lot like Twobird but with a lot more features. It's a different type of email client. It's really cool, but the Windows version is just a web app. It's available on iOS as well. Source: almost 5 years ago
When comparing DUMMY DATABASE and Polymail, you can also consider the following products.
A realistic data generator to test your app
Compare Mockaroo to DUMMY DATABASE or Polymail:

Airmail is a lightweight and lightning fast mail client for Mac.
Compare Airmail to DUMMY DATABASE or Polymail:


Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!
Compare Thunderbird to DUMMY DATABASE or Polymail:
Data generator that can create a table filled with pseudo-random content.
Compare Data Creator to DUMMY DATABASE or Polymail:

Mailbird is the best email client for Windows 7, 8 and 10
Compare Mailbird to DUMMY DATABASE or Polymail: