
Charles Proxy
HTTP Toolkit
Fiddler
Requestly
mitmproxy
Surge for Mac
Weer
Proxyman is a high-performance macOS app, which enables developers to view HTTP/HTTPS requests from apps and domains.

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, Proxyman.io seems to be more popular. It has been mentioned 27 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | proxyman.com | diffyn.com |
| Pricing | ||
| Platforms | ||
| Listed in |
In their own words, as submitted to SaaSHub.


Modern and Delightful HTTP Debugging Proxy Proxyman is a native, high-performance macOS application, which enables developers to observe and manipulate HTTP/HTTPS requests.
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.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
No Proxyman.io videos yet. You could help us improve this page by suggesting one.
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 Proxyman.io 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 Proxyman.io 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.


Proxyman just like Paw is a native macOS web debugging proxy application. This tool stands as an intermediary or a man-in-the-middle server. With its built-in macOS setup, you can capture, inspect and get around...
Similar to the above-mentioned Paw, Proxyman is a premium native macOS web debugging proxy application.
On the pricing front, Requestly strikes a balance between affordability and functionality. It is an open-source tool, offering freemium to individual developers and affordable pricing plans for team collaboration. We...
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 don't have elaborate needs and have used Charles for many years. A few years ago I switched to https://proxyman.com and found it easier to use. - Source: Hacker News / 10 months ago
Network analysis tools like Charles Proxy and Proxyman provide essential debugging capabilities for mobile applications. These tools intercept and analyze all network traffic, enabling detailed inspection of API communications. - Source: dev.to / 11 months ago
Armed with this you could now investigate the raw JSON using HTTP proxying (I like to use ProxyMan for this), and/or talk to the back-end team, see if they've made some changes and are aware of the breakage in the contract between client... - Source: dev.to / about 2 years ago
Tracking Diffyn since Jun 2025.
When comparing Proxyman.io and Diffyn, you can also consider the following products.

HTTP proxy / HTTP monitor / Reverse Proxy
Compare Charles Proxy to Proxyman.io or Diffyn:

Beautiful, cross-platform & open-source tools to debug, test & build with HTTP(S). One-click setup for browsers, servers, Android, CLI tools, scripts and more.
Compare HTTP Toolkit to Proxyman.io or Diffyn:



mitmproxy is an SSL-capable man-in-the-middle proxy for HTTP.
Compare mitmproxy to Proxyman.io or Diffyn:

Advanced Web Debugging Proxy for Mac & iOS
Compare Surge for Mac to Proxyman.io or Diffyn: