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OpenKeychainPGPony
Free

Free and open source, supported by donations.

 Free

Free, with the source published under the Apache-2.0 licence.

Android Windows, macOS, Linux, Android, iOS
  • Compatible with OpenPGP software on other platforms
  • Provides encryption to other Android apps such as K-9 Mail
  • Hardware key support over NFC with on-card key generation
  • Interoperable with GnuPG and supports OpenPGP v6
  • Android only
  • Using OpenPGP keys well requires some understanding of how key exchange works
  • Young project compared with OpenKeychain or GnuPG
  • Post-quantum keys need recipients with compatible software
Downloadable app Downloadable app
Open source Open source
License: GPL-3.0 License: Apache-2.0
No account needed No account needed
Works offline Works offline

Checked September 23, 2026

Checked October 2, 2026

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