I personally use weechat and weechat-android (https://github.com/ubergeek42/weechat-android https://github.com/ubergeek42/weechat-android) and it's the best And

I personally use weechat and weechat-android (https://github.com/ubergeek42/weechat-android https://github.com/ubergeek42/weechat-android) and it's the best Android client I've tried. It does require some technical set-up, though. You can plug Glowing Bear into it too, if you want a web interface.