PGPony brings full OpenPGP (v6) encryption to iOS and Android with support for Ed25519/Curve25519. It allows on-card key generation using YubiKey or similar via NFC, keeps keys off the phone when desired, and maintains complete interoperability with GnuPG. The app and its cryptography are open source with no accounts or tracking.
PGPony is a Lifestyle & Personal project. It focuses on performing strong PGP encryption and key management directly on mobile devices with hardware security options. PGPony is a consumer product aimed at security-conscious users and developers. It is available for free. PGPony is available on the web, the command line, Android, and iOS.
Behind PGPony is NorseHorse, based in the United States, and it first shipped in 2026. Development happens publicly on GitHub with 19 stars and 14 commits in the last 90 days. Among its 4 catalogued features are PGP Encryption, Hardware Key Support, and Key Generation.
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