You can hardly hear the listening…
You can hardly hear the listening exercises despite full volume on your phone. The lessons remain simplistic so you don't acquire knowledge to build on as you remain at the same level regardless of the high number of lessons. They have a difficult, unwieldy process of cancelling a subscription. In my case I got trapped into paying an additional 3 months subscription I have no interest or reason to use. **Update They did eventually refund the subscription.