Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, media files and documents in both private and group chats. Developed by SHAPE GmbH
License: Commercial
Sicher offers strong security features with end-to-end encryption and self-destructing messages, making it ideal for privacy-focused users. In contrast, Google Allo, which has been discontinued, provided integration with Google services and smart reply features, appealing to users who prioritize convenience and connectivity.