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Charles vs Surge: catalog facts
Charles	Surge
Paid Commercial software with licences sold on the official site.	Paid Commercial software sold through its website.
Windows, macOS, Linux	macOS, iOS
Shows full HTTP and HTTPS requests, responses and headers Works as a reverse proxy as well as a monitor	Inspects and routes network traffic on Mac and iOS Available on both desktop and mobile
Paid licence required HTTPS inspection needs certificate setup on the client	Apple platforms only Little detail about features in the research
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it 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.