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GPG Suite vs GnuPG: catalog facts
GPG Suite	GnuPG
Freemium Downloads are free; the GPG Mail extension needs a paid yearly support plan after a 30-day…	Free Free and open source under the GPL.
macOS	Windows, macOS, Linux, Command line
Encrypt, sign and verify files and messages on a Mac GPG Keychain app for managing OpenPGP keys	The reference free OpenPGP implementation, present everywhere Smartcard and hardware token support through its agent
macOS only GPG Mail requires a paid subscription	Key management and the command line are famously unforgiving Defaults and trust models confuse newcomers into unsafe practice
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
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 September 22, 2026

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