
Shodan
ZoomEye
Criminal IP
UpGuard
FOFA
Recorded Future
Rapid7
Censys helps organizations, individuals, and researchers find and monitor every server on the Internet to reduce exposure and improve security.

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, Censys seems to be more popular. It has been mentioned 13 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | censys.com | diffyn.com |
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In their own words, as submitted to SaaSHub.


Attack Surface Management (ASM) At Censys, we can see it all. Our world-leading attack surface management platform gives organizations a sixth sense — relentlessly monitoring assets, seeing the unseen, and proactively giving security teams an opportunity to solve issues before they have a chance...
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 Censys yet.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Attack Surface Management
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 Censys 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 Censys and Diffyn. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.


You should be able to see scans from censys.io, and other. Source: over 3 years ago
Some tools to consider: Gitleaks - open-source secret scanner for git repositories, files, and directories. Retire.js - dependency check tool for client JS code. Censys - It’s a search engine that you can use, for example, to scan any... Source: over 3 years ago
You also have censys.io, but I do not have much experience with them. Source: over 3 years ago
Tracking Diffyn since Jun 2025.
When comparing Censys and Diffyn, you can also consider the following products.

Shodan is the world's first search engine for Internet-connected devices.
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Criminal IP protects IT assets and businesses by analyzing all years of cyber threats and prediciting exploits. Criminal IP provides real-time intelligence to enhance cybersecurity competencies in all aspects.
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Visibility into the state of your IT infrastructure, enabling you to understand your risk potential, prevent breaches, and speed up software delivery.
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FOFA is a Search Engine for global cyberspace mapping. Through continuous active detection of global Internet assets, identifying most software and hardware network assets.
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Recorded Future provides organizations with real-time threat intelligence.
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