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GpgFrontend vs PGPony: catalog facts
GpgFrontend	PGPony
Free Free and open source.	Free Free, with the source published under the Apache-2.0 licence.
Windows, macOS, Linux	Windows, macOS, Linux, Android, iOS
Choice of GnuPG or Rust rPGP engine Encrypts files, text and email from one app	Hardware key support over NFC with on-card key generation Interoperable with GnuPG and supports OpenPGP v6
Users still need to understand OpenPGP key exchange	Young project compared with OpenKeychain or GnuPG Post-quantum keys need recipients with compatible software
Downloadable app	Downloadable app
Open source	Open source
License not stated	License: Apache-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 2, 2026

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