A Cloud Guru

The app very often freezes after few videos, which is especially frustrating if you are trying to listen lectures when driving a car. Also I would appreciate a "voice only" option (no video).

UX is terrible. When i accidentaly hit timestamp somewhere at the end of the lecture instead of fullscreen its impossible for me to stop playing the lecture. Navigation for getting to previous lecture ( or some future lectures as well ) is making me write this comment. It also misses some highlight of where are you at the moment and you always have to scroll from the top once you go back from your current lecture screen.

App itself looks really nice and easy to navigate. Unfortunately, it can not be seen that I have already subscribed and want me to pay again. Thus, I need to use it via mobile browser.