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Cocoa Packet Analyzer vs SmartSniff: catalog facts
Cocoa Packet Analyzer	SmartSniff
Free Downloadable directly from the developer site with no price shown.	Free Freeware from NirSoft; free to redistribute as long as nothing is charged.
macOS	Windows
Native macOS interface with menu bar capture QUIC, HTTP/3 and TLS 1.3 decryption	Shows traffic as readable client-server conversations Can capture without installing a driver via Raw Sockets
Current version requires macOS 26 or later macOS only	Official system requirements list Windows versions up to Windows 8 Raw Sockets mode misses outgoing UDP and ICMP packets and is unreliable on some systems
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License: Freeware
Not stated if an account is needed	No account 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 October 8, 2026

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