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TCP Viewer vs A-Packets: catalog facts
TCP Viewer	A-Packets
Freemium Free to download; a paid PRO license adds features such as the MCP server.	Freemium Free public analysis up to 25 MB; private plans and on-prem deployments are paid.
macOS	Web
Wireshark decoding in a native Mac interface Opens saved PCAP and PCAPNG files by drag and drop	No signup needed for public analysis Pulls out credentials, files and sessions automatically
Apple Silicon and macOS 15 or later only MCP integration requires the paid PRO tier	Free results pages are public Free uploads limited to 25 MB
Downloadable app	Web application
Open source	Closed source
License: GPL-2.0-or-later	License not stated
Not stated if an account is needed	No account needed
Works offline	Needs internet
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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