This site contains a huge number of lessons, complete with texts, vocabulary, audio, exercises and much more. And it's all free. Note that if you want to get the intermediate and advanced material,... Read more.
Olle Linge – almost 8 years
Finally, Duolingo added a En->ZH course. As Duolingo is the most popular gamification learning app, the learning experience is relatively streamlined and tested. The monetarization aspect leads to ... Read more.
stefanwienert – over 4 years
Description provided by OptiLingo (I have not yet tried this service myself):
"OptiLingo is a hands-free language learning app that prioritizes learning Chinese through speaking rather than typi... Read more.
Olle Linge – about 2 years