Here follows the apps I’ve made under my Hi-Tone Development™ project.
Text Encrypter:
Text Encrypter is a unique encryption app that lets you encrypt and decrypt any text. It is designed to use AES 256-bit encryption algorithm with Base64 character encoding scheme.
http://itunes.apple.com/us/app/text-encrypter/id481623636?ls=1&mt=8
Other projects is under development, while still working on updates for already released apps.