# PGPony (open-source security app)

> PGPony is a free, open-source security app for Android. OpenPGP encryption with hardware security keys and password-store support. It has 107 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.

PGPony is an OpenPGP app for Android. Encrypt, decrypt, sign, and verify messages and files, manage your keyring, and use a hardware security key over NFC, all on device. Features: - Encrypt, decrypt, sign, and verify text and files - Post-quantum encryption: ML-KEM-768 + X25519 (Kyber) composite keys, in both the IETF draft (v6) and LibrePGP / GnuPG 2.5 (v5) formats - OpenPGP provider service: use PGPony as the crypto engine for Thunderbird for Android, K-9 Mail, and Password Store (OpenKeychain-compatible API) - Generate modern keys, including RFC 9580 (OpenPGP v6) Ed25519 and X25519, with Argon2id passphrase protection - Hardware security keys over NFC, including YubiKey 5 NFC and…

## Key facts

| Fact | Value |
|---|---|
| Repository | https://github.com/norsehorse-dev/PGPonyAndroid |
| Platforms | Android |
| Built with | Jetpack Compose |
| GitHub stars | 107 |
| License | Apache-2.0 (open source) |
| F-Droid | https://f-droid.org/packages/com.pgpony.android/ (package com.pgpony.android) |
| F-Droid anti-features | none flagged |
| Google Play | not linked |
| App Store | not linked |
| Website | https://pgpony.app |
| Official | no |
| Category | Password managers & security |
| Latest release | v4.6.4 (Oct 6, 2026) |
| Last commit | Oct 6, 2026 |

F-Droid builds its apps from source and flags anti-features: https://f-droid.org/en/docs/Anti-Features/

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