
Monica
UpHabit
Clay.earth
Hippo App
LeadDelta
HiWork.io
Cloze
One place for your relationships — impress with thoughtfulness

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, Dex seems to be more popular. It has been mentioned 5 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | getdex.com | diffyn.com |
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| Company | 2019 | — |
| Listed in |
In their own words, as submitted to SaaSHub.


Dex is a personal CRM that reminds you to keep in touch with people you would otherwise forget. Bring together LinkedIn, email, calendar, and contacts to build stronger relationships.
No description of Diffyn yet.
What each product offers, as listed by its team.


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


Overall verdict
Why this product is good
Recommended for
Overall verdict
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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 Dex 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 Dex and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


Similar story. I want https://getdex.com/ (for non commercial use, to keep up with friends) but in https://www.openhomefoundation.org Hopefully Monica can get there faster with LLMs. - Source: Hacker News / about 1 month ago
I personally feel that most “Personal CRM” is kinda tarpit idea because the moment you are “managing” and nurturing it, it becomes professional/commercial. And that professional/commercial space is kinda saturated with too many good... - Source: Hacker News / over 2 years ago
Hi Dekhan, Have you tried out Dex? getdex.com It offers this functionality and might also be helpful for inspiration if you are building your personal CRM. Source: over 3 years ago
Tracking Diffyn since Jun 2025.
When comparing Dex and Diffyn, you can also consider the following products.

Monica is an open-source personal CRM to keep track of your friends and family.
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Introducing Clay, the beautiful and private home for all your relationships. Populated from the ground up using your calendar and social history, Clay is the most stunning, powerful way to remember who you've met—and what matters to them.
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Forgetting personal details? Hippo helps you stay attentive. Keep track of friends, family and colleagues you care for. So next time you meet, you remember all their important details.
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LeadDelta will help you to grow, manage, and engage your Linkedin connections. Cut through the noise and create new opportunities in your network.
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