Its an Instant messaging service including :-
 Voice Calling
ADIOS Messenger supports the fastest and most secure Audio Calling feature ever created.
 Cloud-based messaging
ADIOS delivers messages with light speed across all devices.
 Unbreakable encryption
Your messages can't be hacked, intercepted or be stolen. Your data is very safe and encrypted
 File and media sharing
Quickly share large videos, documents (.doc, .ppt, .zip, etc.), and send an unlimited amount of photos to your friends.
 Stickers, emoji, hashtags
Express yourself with custom sticker sets and funny emojis. Use #hashtags to easily find related messages and media.
 Group chats and channels
You can create group chats with up to 5000 users and broadcast your ideas and thought to your whole world.
 Nichability
Add your existing group or channel to ADIOS Messenger to start growing your audience of members.
 Bots
Bots make your chatting fun and unique. Play games right in chat window or learn something new from trivia bots