iPGMail vs Pocket Steganography

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.

Hiding in Plain Sight. Pocket Steganography is a professional-grade security tool designed for journalists, researchers, privacy advocates, and security professionals who require more than just encryption. While standard encryption protects your data, it also announces that you have something to hide. Pocket Steganography solves this by embedding your encrypted files inside the invisible noise of standard WAV audio files. To the naked eye, and to standard media players, your file appears and plays as a normal audio track. THE PROFESSIONAL STANDARD Built with the Apple Human Interface Guidelines in mind, the app offers a modern, drag-and-drop interface on macOS, iPadOS, iOS and visionOS, powered by a robust, audit-ready steganography engine. CORE FEATURES: Dual-Layer Security: Your files are not just hidden; they are first encrypted. Even if the steganography is detected, the payload remains inaccessible without your password. AES-256 GCM Encryption: We use the industry standard for authenticated encryption, ensuring data confidentiality and integrity. LSB Encoding: Utilizing Least Significant Bit modification on 16-bit PCM WAV files ensures the audio carrier remains perceptually identical to the original. Cross-Platform Workflow: Start encoding on your Mac, drop the file via AirDrop to your iPhone, and extract it on the go. Go spatial on Apple Vision Pro. Drag & Drop Simplicity: An intuitive interface designed for rapid workflows. Data Sovereignty: 100% offline processing. No cloud, no servers, no tracking. Your keys are derived locally on your device. TECHNICAL SPECIFICATIONS: For those who demand to know what happens to their data: Carrier Format: RIFF WAVE (16-bit PCM). Steganography Method: LSB (Least Significant Byte modification of 16-bit samples). Key Derivation: HKDF-SHA256 with a unique salt constant. Cipher: AES-GCM (Galois/Counter Mode) for high-performance, authenticated encryption. Payload Structure: Length Header (32-bit Little Endian) + Encrypted Payload. IDEAL FOR: Secure Data Transport: Move sensitive documents across borders inside music playlists. Intellectual Property: Watermark audio assets with hidden ownership metadata. Private Archiving: Store backup keys or seed phrases inside your music library. PREMIUM MODEL Pocket Steganography is a one-time purchase for professional utility. No subscriptions, no ads, no data collection. Secure your data by making it invisible. Download Pocket Steganography today.