CrystalChat: Secure Chat app for iPhone and iPad

Crystal Chats Features includes:
- Advanced online communication tools
- Fully encrypted messages to allow safer corporate communication
- Message and Voip Notifications
- End-to-end encryption messages

Privacy and encrypted messaging:
Crystal Chat protects you from unwanted ads, data mining and walled gardens. It also secures all your data, one-to-one video chats and voice communication through end-to-end encryption and cross-signed device verification.

Super secure:
Real end-to-end encryption (only those in the conversation can decrypt messages), and cross-signed device verification.