Have been using the app to learn a new language and refresh a language I learned a long time ago. I really want to love this app and for building habits it is great. Unfortunately, they only hint at grammar rules by the practice they do but for many learning styles the need to just tell you the damn rule. Also, for some reason speaking questions completely stopped working. Mic never even turns on and just counts as errors which you can never clear. Unbelievably frustrating!