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PGPony

PGPony is a free, open-source security app for Android. OpenPGP encryption with hardware security keys and password-store support. It has 123 GitHub stars and is released under the Apache-2.0 license, and you can install it from F-Droid.

github.com/norsehorse-dev/PGPonyAndroid (opens in a new tab)

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About PGPony

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…

Privacy and F-Droid

F-Droid builds PGPony from its published source code and flags anti-features such as ads, tracking or reliance on non-free services.

No anti-features flagged on the latest F-Droid build.

Screenshots

  • PGPony screenshot 1
  • PGPony screenshot 2
  • PGPony screenshot 3

Screenshots from the app's F-Droid listing.

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FAQ

PGPony FAQ

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Is PGPony free and open source?

Yes. PGPony's source code is public on GitHub under the Apache-2.0 license, which is OSI-approved or FSF-free. F-Droid, which builds it from source, flags no anti-features such as ads or tracking on its latest build.

How do I install PGPony?

You can install PGPony from F-Droid (package com.pgpony.android); the links are on this page. Its GitHub repository also publishes releases (latest: v4.7.1).

Is PGPony still maintained?

The repository's most recent commit was on Oct 27, 2026. Its F-Droid listing was last updated on Oct 12, 2026. appsgit only lists apps whose repository had a commit in the last six months.