DangDai APP book 2 is released now!
If you have already downloaded the DangDai Chinese app, please go to APP Store to update the app.
The most professional app to learn Mandarin Chinese!
Now get DangDai to study Chinese on your iPhone/iPad.
Learn the first three lessons FREE and fully functional.
You can simply use keywords "DangDai Chinese" search in APP store.
Download here: https://itunes.apple.com/app/id1256852400