Telegram
There are many instant messengers available for Android, but only a few of them are secure and guard your privacy during online chat sessions.
Telegram is one of the best choices when you are considering an open source chat application with strong security against all possible attacks. Telegram focuses on speed and security. Unlike the prominent messaging app WhatsApp, this one has many cool features for its users, such as: 1. Secret chats 2. Self-destructing messages 3. Support for almost every known file type 4. Groups can have 200 members and can upgrade to super
groups with a membership count of 1,000 members 5. There are many channels as well as bots available for telegrams, which can be added to your telegram app You can increase the security of the app by setting up a pass code, which is required when you are launching the app.