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PGPony vs GnuPG: catalog facts
PGPony	GnuPG
Free Free, with the source published under the Apache-2.0 licence.	Free Free and open source under the GPL.
Windows, macOS, Linux, Android, iOS	Windows, macOS, Linux, Command line
Hardware key support over NFC with on-card key generation Interoperable with GnuPG and supports OpenPGP v6	The reference free OpenPGP implementation, present everywhere Smartcard and hardware token support through its agent
Young project compared with OpenKeychain or GnuPG Post-quantum keys need recipients with compatible software	Key management and the command line are famously unforgiving Defaults and trust models confuse newcomers into unsafe practice
Downloadable app	Downloadable app
Open source	Open source
License: Apache-2.0	License: GPL-3.0
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 October 2, 2026	Official website Full listing and sources Checked September 22, 2026

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