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Fiddler Everywhere vs Rockxy: catalog facts
Fiddler Everywhere	Rockxy
Paid Commercial product with a free trial available.	Free Free and open source under the AGPL.
Windows, macOS, Linux	macOS
Runs on Windows, macOS and Linux Captures browser, system, terminal and Android traffic	Native Mac app for Apple Silicon and Intel Breakpoints, map local and remote, and request replay
Paid licence required after the trial Team and AI features add complexity for simple debugging	macOS only, requires macOS 14 or newer HTTPS inspection requires installing and trusting a certificate
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.