Sicher is described as 'Free secure Germany-based messenger available for iOS, Android and Windows Phone. Sicher has true end-to-end encryption of both text messages and file attachments' and is an app in the Social & Communications category. There are more than 50 alternatives to Sicher for a variety of platforms, including Android, iPhone, Android Tablet, iPad and Windows. The best alternative is Telegram, which is free. Other great apps like Sicher are Signal (Free, Open Source), WhatsApp (Free), Zulip (Free Personal, Open Source) and Conversations (Free, Open Source).
Signal is a messaging app with an unexpected focus on privacy, combined with all the features expected from a modern IM app. Signal has received a lot of praise from all around the world for its security and privacy-respecting technologies.
WhatsApp is an iPhone and Android messaging app which allows you to exchange messages without having to pay for SMS. In addition to basic messaging WhatsApp users can create groups, send each other unlimited images, video and audio media messages.
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].[Note]**You can download the compiled apk for free from F-Droid**:...
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
Snapchat is the fastest way to share a moment with friends. You control how long your friends can view your message – simply set the timer up to ten seconds and send. They’ll have that long to view your message and then it disappears forever.