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ProxyPin vs ReqRes: catalog facts
ProxyPin	ReqRes
Free Free and open source under the Apache 2.0 licence.	Freemium The site describes a free tier and a one-time purchase.
Windows, macOS, Linux, Android, iOS	macOS
Captures HTTPS as well as plain HTTP traffic Runs on desktop and mobile platforms from one codebase	Displays intercepted HTTP(S) requests and responses Can mock endpoints or entire servers
HTTPS capture requires trusting the tool's certificate on each device Documentation is partly written for a Chinese-speaking audience	Available for macOS only The site does not specify the free tier's limits
Downloadable app	Downloadable app
Open source	Closed source
License: Apache-2.0	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 October 2, 2026	Official website Full listing and sources Checked October 8, 2026

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