
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.

React
Storybook
Reactime
Backlight
Zipy
Reactotron
Chat2Code
React Cosmos is a sandbox for developing and testing UI components in isolation.

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.
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| Website | proxyman.com | reactcosmos.org |
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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 React Cosmos yet.
What each product offers, as listed by its team.


Possible disadvantages
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.
Developing Web App using React Cosmos DB - Custom Model and understanding Workflow
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Proxyman.io and React Cosmos. 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 React Cosmos 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 React Cosmos since Nov 2025.
When comparing Proxyman.io and React Cosmos, you can also consider the following products.

HTTP proxy / HTTP monitor / Reverse Proxy
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A JavaScript library for building user interfaces
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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.
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Storybook is an open source tool for developing UI components in isolation for React, Vue, and Angular. It makes building stunning UIs organized and efficient.
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Fiddler is a debugging program for websites.
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Time travel debugging tool, visualizing and tracing state
Compare Reactime to Proxyman.io or React Cosmos: