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Cocoa Packet Analyzer vs tcpdump: catalog facts
Cocoa Packet Analyzer	tcpdump
Free Downloadable directly from the developer site with no price shown.	Free Free and open source under the BSD licence.
macOS	Windows, macOS, Linux, Command line
Native macOS interface with menu bar capture QUIC, HTTP/3 and TLS 1.3 decryption	Available on practically every Unix system, including embedded ones Writes standard pcap files that every other tool can read
Current version requires macOS 26 or later macOS only	Needs elevated privileges to capture Output is dense and takes practice to read
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: BSD-3-Clause
Not stated if an account is needed	Not stated if an account is needed
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 September 22, 2026

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