It looks and works the way other apps do, so there is no need to “learn XMPP” or even care what it is. Notable features: - Open Source - No Ads! Strong focus on privacy. Does not phone home and does not have "metrics" software - Does not read any personal information. - With a direct connection to your server, your password and all other info is never sent to a third party. - OMEMO encrypted chat - Will work with corporate XMPP servers that require VPN - MUC multi user chat Implements XMPP certain extensions intended to improve mobile communication. - XEP-0357: Push Notifications - XEP-0280: Message Carbons keep messages in synch between clients. - XEP-0198: Stream Management to quickly reconnect. - XEP-0199: XMPP Ping to maintain connections. - XEP-0313: Message Archive Management to download chat history. - XEP-0352: Client State Indication for dramatic reduction on power use. - XEP-0363: HTTP File Upload to send images in conversations.