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GPG Suite vs KGpg: catalog facts
GPG Suite	KGpg
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	Linux
Encrypt, sign and verify files and messages on a Mac GPG Keychain app for managing OpenPGP keys	Simple interface over GnuPG Shows signatures, trust and expiry at a glance
macOS only GPG Mail requires a paid subscription	Linux only Fewer features than Kleopatra, with no S/MIME support
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: GPL-2.0-or-later
Not stated if an account is needed	No account needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 24, 2026

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