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OpenKeychain vs GPG Suite: catalog facts
OpenKeychain	GPG Suite
Free Free and open source, supported by donations.	Freemium Downloads are free; the GPG Mail extension needs a paid yearly support plan after a 30-day…
Android	macOS
Compatible with OpenPGP software on other platforms Provides encryption to other Android apps such as K-9 Mail	Encrypt, sign and verify files and messages on a Mac GPG Keychain app for managing OpenPGP keys
Android only Using OpenPGP keys well requires some understanding of how key exchange works	macOS only GPG Mail requires a paid subscription
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-3.0	License not stated
No account needed	Not stated if an account is needed
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 23, 2026

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