CrypTon offers you Public key cryptography, or asymmetric cryptography. Send encrypted messages by E-mail, iMessage, Viber, WhatsApp, Telegram, ICQ or any other messenger, send encrypted file attachments by e-mail or share encrypted confidential photos and videos using DropBox or other cloud services and be sure that they can be opened only by the person, whose key you used. Some features require monthly or annual PREMIUM PLUS subscription with 1 week free trial. Built-in iMessage extension lets you encrypt and decrypt messages with one click. It can also help you exchange your public keys. Other features: - generate PGP keys - use multi PGP keys encryption - encrypt, sign, decrypt and verify files right from the app - import PGP public and private keys from a text file - export PGP keys to a text file or clipboard - transfer Public keys using QR-codes - store your private keys on Apple Watch and use them straight from your hand Terms of use: https://www.photonyz.com/crypton/TermsOfUse.html Privacy policy: https://www.photonyz.com/crypton/PrivacyPolicy.html iOS 14 +