This is very interesting. I tried to use swiftkey chinese beta many years ago, but couldn't accept it because it only allowed pinyin input with simplified char

This is very interesting. I tried to use swiftkey chinese beta many years ago, but couldn't accept it because it only allowed pinyin input with simplified characters. Currently I use Google Zhuyin keyboard (which also has a pinyin mode) which does pretty accurate prediction and has a unified interface with my cantonese (yale) and korean keyboards.