CryptoSeed

Local, user-controlled cryptography for your iPhone.

Encrypt and sign text and files, manage keys and identities, generate two-factor codes, and exchange keys over NFC, QR or a direct nearby transfer. Everything runs on your device with Apple CryptoKit, with no servers, no accounts and no analytics.

Coming soon to the App Store

Features

Encryption for text and files with symmetric keys and X25519 identities, plus post-quantum X-Wing on iOS 26.
Digital signatures with Ed25519 and ML-DSA-65.
Trusted contacts and public-key verification via QR codes and NFC tags.
Authenticator for offline TOTP / HOTP two-factor codes.
Private Transfer: direct, encrypted, nearby device-to-device exchange.
Shortcuts actions for automation.