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AgePony vs OpenKeychain: catalog facts
AgePony	OpenKeychain
Free Free and open source under the Apache 2.0 licence.	Free Free and open source, supported by donations.
Windows, macOS, Linux, Android, iOS	Android
Compatible with the standard age CLI Post-quantum ML-KEM-768 hybrid recipients	Compatible with OpenPGP software on other platforms Provides encryption to other Android apps such as K-9 Mail
Young project with a small user base Encrypted files need an age-compatible tool on the receiving end	Android only Using OpenPGP keys well requires some understanding of how key exchange works
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked September 23, 2026

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