iPGMail2026.41.2 - App Store

iPGMail is a complete OpenPGP client for iPhone and iPad. Encrypt, decrypt, and digitally sign email and files using the same RFC 9580 / RFC 4880 standard you already use with GnuPG, Mailvelope, Thunderbird, ProtonMail's PGP exports, and any other OpenPGP-compatible tool.

Bring your existing PGP identity to iOS or generate a new one in the app. Your private keys are stored in a private local database with the highest data-protection class and are unlocked only by Touch ID or Face ID. All cryptography runs locally - your keys and message content never leave your device.

CRYPTO & INTEROPERABILITY
. OpenPGP v4 and v6 (RFC 9580 / RFC 4880, RFC 6637) - fully interoperable with GnuPG, Mailvelope, Thunderbird, ProtonMail PGP exports, and any other compliant tool
. Post-quantum encryption (RFC 9980): import, encrypt to, and verify signatures from hybrid ML-KEM + ML-DSA keys, which pair NIST-standardized post-quantum algorithms with proven elliptic-curve cryptography
. Optional post-quantum key generation: create v6 ML-DSA-65 + ML-KEM-768 or ML-DSA-87 + ML-KEM-1024 keys (turn on in Settings › Advanced)
. Public-key algorithms: RSA, DSA, ECDSA, EdDSA (Ed25519, Ed448), ECDH (Curve25519, X448), ML-KEM, ML-DSA
. Symmetric ciphers including AES-256, with modern AEAD encryption on PGP v6 (SEIPDv2) messages
. PGP/MIME for encrypted email; standard ASCII-armored output for any plain-text channel
. Detached and inline signatures; sign-only mode for authenticated but readable messages
. Symmetric (password-based) file encryption
. Encrypt to multiple recipients in a single message, mixing classic and post-quantum keys
EMAIL
. Send encrypted email directly from the app via SMTP - works with iCloud, Gmail, Outlook / Hotmail, Yahoo, AOL, Fastmail, GMX, Yandex, mail.ru, QQ, Comcast, and any custom SMTP server
. Google OAuth2 for password-free Gmail authentication
. Reply with quoted plaintext ("> " prefix) so encrypted threads read like normal email
. Or hand off to your default mail app via the standard iOS share sheet

KEY MANAGEMENT
. Generate new keypairs in-app with strong defaults (ECC or RSA)
. Import existing public and private keys (ASCII-armored or binary)
. Search SKS / hkps key servers and Keybase to find recipient keys
. Attach your public key to outgoing messages so recipients can import it directly
. Inspect key flags, expiration, signatures, and user IDs

FILES
. Encrypt and decrypt files up to 100 MB per file (200 MB total per message), with on-screen progress
. Quick Look preview of decrypted content in-place
. Receive encrypted attachments directly from iOS Mail.app - no copy/paste required
. Read .pgp, .gpg, .asc, and .sig files from anywhere via the Files app, AirDrop, iCloud Drive, Dropbox, or the system clipboard
. Open URL handler for the x-ipgmail:// scheme so other apps can hand work to iPGMail

iPAD-OPTIMIZED
. Sidebar navigation and full keyboard shortcut support
. Optimized layouts for Split View and Stage Manager

PRIVACY POSTURE
. Private keys are stored locally in a secured private database and unlocked only by Touch ID / Face ID
. All encryption, decryption, signing, and verification happens on-device
. No account creation, no cloud middleman, no third-party access to your message content
. Open standard - your keys and messages stay portable to any other OpenPGP tool, on any platform

WHO IT'S FOR
Built for journalists, activists, security professionals, lawyers, developers, and anyone who already uses PGP on the desktop and wants the same workflow on iOS. Bring your existing key, decrypt your inbox, sign and send - without surrendering custody of your keys to anyone.

Version History Added support for Post-Quantum Cryptographic algorithms from RFC 9980:
- ML-KEM / ML-DSA composites
- Creating v6 PQM Keys is now an optional configuration parameter in the settings
- Note that PQM support in OpenPGP is very new and compatibility with older implementations will be limited. 2026.41.2 21h ago - Fixed document preview to work with files that have no extension
- Fixed PinPad logic bug 2026.41.1 6d ago - fixed crash when trying to pick a key to encrypt a file. 2026.38.1 Sep 16 - fixed bug where "Import from File" action menu item did not work correctly.
- fixed bug causing imports from other apps to be ignored if the PIN protection was enabled.
- Updated UI 2026.37.1 Sep 13 - Fixed bug in handling v4 secret keys with AEAD protection. 2026.35.1 Aug 27 - Fixed bug in handling deprecated v3 signatures. 2026.30.1 Jul 23 - Added fix to prevent crash on iPad when decrypting something while the preview of another doc is on top. 2026.27.2 Jul 2 - Simplified the help content for getting started and configuring an SMTP server for outgoing mail. 2026.27.1 Jul 1 - add ability to copy the fingerprint to the clipboard when the user touches on the cell.
- minor UI updates 2026.26.1 Jun 27 - Updated to better recognize and handle binary PGP files
- Added a toast-style alert when PGP content is detected in the clipboard. 2026.24.1 Jun 10 * Fixed to report permission problems when selecting attachments from the photo library. 2026.22.2 May 30 - Restructured memory handling to support handling of large files (tested up to 1GB). 2026.22.1 May 25 - Fixed memory footprint on large encrypt and decrypt actions that limited the size of the files that could be processed. Encrypting and Decrypting larger files (100Mb) should now be possible depending on the memory (RAM, not storage) available on your device.
- UI improvements to show an overlay view to show when activities are processing in the background (long encrypt/decrypt operations). 2026.19.1 May 6 - Fixed iPad crash when receiving a file to decrypt while the QLPreviewController is on top.
- Fixed to prompt users to upgrade when a new version is available. 2026.17.1 Apr 23 - Fixed issue causing large messages with partial packet header formatting to fail to parse. 2026.16.2 Apr 14 - Updated UI for iPad and MacOS to use sidebar navigation instead of tabs.
- added keyboard shortcuts for iPad and MacOS builds when keyboard is attached. 2026.16.1 Apr 10 - Added support for X448/ED448 key types (RFC 9580)
- Updated for iOS 26.4 2026.15.1 Apr 5 - Fixed bug that prevented multiple keys from being imported from a single file. 2026.10.1 Mar 4 - Fixed some issues causing crashes when importing keys. 2026.8.1 Feb 16 - Fixed issue with password cache storing failed passwords. 2026.7.1 Feb 13 - Fixed issue when importing key from a public server incorrectly reported a "duplicate key" error after importing the key.
- Fixed issue determining if a key is able to be used for encrypting. 2026.4.1 Jan 27 - Fixed signature processing
- Fixed handling of plaintext messages with an attached signature. 2026.3.1 Jan 22 - Fixed issue where the password cache would retain passwords for keys even if they were incorrect, thus preventing the user from retrying with the correct password. This caused the "Authentication Failed" error when importing private keys if the user entered the wrong password initially. The workaround is to reset the password cache to 0 and then try to import the key again.

- Deleting a key from the app will also now clear its password from the cache (if it was configured to be there). 2026.2.1 Jan 16 * Added ability to track usage statistics - look under Settings -> Usage Statistics
* Bug fixes 2025.52.1 12/29/2025 - Fixed bug processing larger data packets with partial header encoding. 2025.50.2 12/14/2025