What users hate. Clustered.

1- and 2-star reviews fed into NVIDIA NIM gpt-oss-120b, grouped into themes with verbatim examples. Each cluster is a wedge a competitor could exploit.

10 reviews·5 themes

Login and authentication failures
Users consistently report issues with logging in, including infinite loading spinners, failure to authenticate via Google or email, and being unable to sign in at all.
4
reviews
- “Every time I try to login, it just sits there and spins. I have to close the app and reopen it and then it shows me as logged”
- “Progress not saved — Every time I try to login, either with Google or using email code, screen gets stuck “loading” and it never signs me in.”
- “I was excited to see the mobile app, because my best place to learn is on the phone on the train. It’s very discouraging to not be able to finish the first lesson without “hint you appear to be using a browser extension that is modifying th”
Video playback errors
Multiple users report that video lessons fail to load or play, rendering a core learning feature unusable.
2
reviews
- “All of the video lessons give an error message so you’re unable to watch them.”
- “Everything except the web design sections is broken”
App crashes or white screen on launch
Specific reports of the app failing to start properly, showing only a blank white screen, particularly on certain devices like iPhone 12 Pro.
2
reviews
- “is there any problem on the new update? it doesn’t work on iPhone 12 pro Just a white screen come up ⁉️”
- “two clients of this platform (web browser & ipados) are unusable — I'm trying to pursue my courses on Safari/Edge/Chrome; they are very hit & miss on whether or not the page will completely load for you to submit your entries. So I download this app, first the course I was attempting wasnt available and I”
Progress not saved or sync issues
Users experience loss of progress, with completed tasks not registering or requiring repeated attempts.
2
reviews
- “Progress not saved — Every time I try to login, either with Google or using email code, screen gets stuck “loading” and it never signs me in.”
- “Tried the first couple trainings on my phone and iPad. When I hit to check mark to complete it, it just spins and spins and never loads.”
Poor UI/UX and app quality
Users criticize the app's outdated appearance, lack of polish, and overall poor design, suggesting it feels hastily built.
2
reviews
- “Why is the app like this ? Through all the videos you guys upload, you clearly have the skill to make a great looking application this looks like someone just threw it to the wall hoping it would stick.. there’s a ton of information between courses and it’s just one”
- “Are You Dumb?!? You keep telling me stuff to do when I already Did It. FIX IT NOW!”

First load takes ~60–120s. Cached after.