
UserTesting.com
Maze
Hotjar
Userbrain
Smartlook
Optimal Workshop
Lyssna
Online user testing and usability platform

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.
Which is more popular?
Based on our record, UXtweak seems to be more popular. It has been mentioned 2 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | uxtweak.com | diffyn.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Slovakia · 10 - 19 employees · 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Powerful research tools for improving usability of web sites and apps, from prototypes to production. Built for usability testing, information architecture research, and user behavior analytics at any stage of the development cycle. Easy implementation with GTM, GDPR and CCPA compliant. And most...
No description of Diffyn 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.


No analysis of UXtweak yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
UXtweak: a powerful UX Research tools for UI/UX Designers
More videos
The Ultimate Prompt Tool for Creators – Visualize & Organize with Diffyn
How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing UXtweak and Diffyn.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
Diffyn's answer:
React, Next.js, POSTGRESQL
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
Share your experience with using UXtweak and Diffyn. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


👀 Looking to Switch to UXtweak but Locked into Maze subscription? If you’re currently subscribed to Maze but want to explore what UXtweak has to offer, we have a special deal for you! We will provide free access to...
Both UXtweak and Optimal Workshop offer heatmaps, however, they are slightly different. UXtweak offers you pretty complex heatmaps with the visualization of mouse movements, mouse clicks, and taps. UXtweak also offers...
You may also choose between a pro plan for only 70€ per month or a custom plan tailored to your specific requirements. UXtweak is one of the most cost-effective usability testing tools available, according to these...
We have no reviews of Diffyn yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


I am looking for volunteers to navigate a website for a fashion brand and answer 4 quick questions at the end. The process is fast and is done through UXtweak.com and can be done anonymously. This is for a school project. Source: over 3 years ago
Have been using UXtweak for some of my latest projects on Figma and I’m very much satisfied. They have some great features and it’s easy to upload your designs too! But most importantly it's free, recommend checking them out uxtweak.com. Source: almost 5 years ago
Tracking Diffyn since Jun 2025.
When comparing UXtweak and Diffyn, you can also consider the following products.

Usability testing has never been easier. Get videos of real people speaking their thoughts as they use websites, mobile apps, prototypes and more!
Compare UserTesting.com to UXtweak or Diffyn:


The #1 Leader in Heatmaps, Recordings, Surveys & More. Sign up for a 15-day free trial and start learning from real user behavior today!
Compare Hotjar to UXtweak or Diffyn:

Easy, fast, and affordable user testing for websites and prototypes.
Compare Userbrain to UXtweak or Diffyn:

Qualitative analytics for websites and mobile apps Start understanding the 'whys' of your users' behaviors with clear, visual insights. With session recordings and event tracking, you get the complete picture.
Compare Smartlook to UXtweak or Diffyn:

A User Research Platform that helps you and your team make design decisions with confidence.
Compare Optimal Workshop to UXtweak or Diffyn: