Intermediate Japanese: Nothing to see here
I was looking forward to this course and as I don't have iOS device, I've had to wait for the Android app which was released today. I would describe myself as an intermediate Japanese speaker and I think it's a fair assessment.
It was disappointing. I tested through the course in probably less than an hour. I don't like the way it pronounces は when it's a particle. It is pronounced "ha" when it should be pronounced "wa".
I don't know what it's like for beginners as I didn't do the early stages but maybe it's OK. I guess it's back to iKnow for me for Japanese.
But I'll continue doing the Spanish, here. It's a lot of fun.
It is a beta so the pronunciations could be fixed, and Duolingo did say the course will help you pass JLPT N5, so it's clear the course is for beginners and won't take you that far.
I'm a beginner who just recently started learning kana, so the Duolingo Japanese course is just about right for me. It's helped me remember the difference between similar hiragana such as sa and chi. I'm learning some new vocabulary and learning how to spell words that I already recognize aurally.
Have you tried the reverse course - English for Japanese speakers? I'm intermediate-ish in Spanish and French. The reverse tree was more interesting and challenging for me in those languages as you have to answer in the language you are learning. Answering in English is relatively easy for English speakers.
Yesterday I tried out this course on the Android app too. I agree that it's too easy on the app for people who've already learnt a bit of Japanese.
However, I think you might appreciate this course when it eventually comes to web browser. On this account I've been doing it solely on web browser for over a month. I've found the web version reasonably good for low-intermediate Japanese sentence practice.
Since I always have the audio switched off on Duolingo as I'm listening to music anyway, I'm therefore not affected by the pronunciations being incorrect. :P
So have a go again when the web version of this course comes out ("should be available on Web at some point this year"...)
In the meantime, the English from Japanese course as a reverse tree works really well. It is a little too easy again on the app, but on the web browser it seems pretty decent for intermediate level. Just make sure to turn off the speaking and listening exercises if you try it as those don't involve any Japanese... I've been using the reverse tree on web for a long time on my other account. ^^