My dad learns Japanese and he really likes "human Japanese" which is on the app store, from what I understand, there is a basic free version and an intermediate paid version. 

On this blog, these is a column dedicated to Japanese Learning Resources. You might find what you need. 

<a href="https://www.tofugu.com/series/japanese-learning-resources/">https://www.tofugu.com/series/japanese-learning-resources/</a>;

Good luck on Japanese learning! :)