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.

112 reviews·8 themes

Misleading Free Trial and Freemium Model
Users feel deceived by the app's free version, which offers minimal content, leading to frustration when they are forced to pay for basic functionality after a short trial.
34
reviews
- “I was excited to download, after seeing the average rating of 4.2 stars, but within minutes was disappointed. After less than five minutes playing, I was hit with a ‘subscribe’ demand.”
- “The app is free and it seems quite good, but if you’re expecting this to be a freemium-style app, don’t be fooled. There is no (useful) content available for free and it only offers a subscription payment model.”
- “You don’t get enough for free to actually tell if it’s worth paying for. Took 1 minute to go through the free module as it’s so basic”
Excessive Paywall and High Subscription Costs
Multiple users criticize the app's pricing structure, calling it exploitative, overpriced, and not justified by the content quality or depth.
28
reviews
- “I really wanted to like this app. I’ve been using it for the past 5 days and have made my way through the first section. As I got to the second section, the projects are now locked for me?? I signed up for the Pro service which is already r”
- “It says one month free and will notify before charging but charged me $118 right after installing😒😒”
- “To expensive for content you don’t need. I am a developer and much of the content is not needed depending on which skills you need. Why pay for all when you only need some.”
Lives/Hearts System Punishes Learning Mistakes
Users strongly object to the 'lives' or 'hearts' system that limits progress after mistakes, arguing it hinders learning and feels unfair.
12
reviews
- “If only you didnt have to pay $60 just to learn coding, i wanted to chill and learn but i have to come back every 3 hours to just lose the life on the same one.”
- “Why did you add lives I had 1 live left and forgot the answer then I failed and I have to wait another 4 hours it’s not fair and I am still on the basics”
- “Great app but you can’t skip the beginner content — I love the UX of this app but I’m going to uninstall, they don’t give you the option to skip the beginner content even though I put in that I was intermediate before I purchased the subscription and made an account.”
Poor Content Quality and Repetitiveness
Users report that later lessons are poorly explained, overly repetitive, and lack depth, especially in advanced topics like React or Python.
10
reviews
- “The later lessons are explained incredibly poorly. I get it, coding is tricky, and so explaining it in a simple way for beginners to understand can be very hard. But this is just ridiculous how poorly the later lessons are articulated.”
- “The study pace is extremely slow. Comparing with similar apps such as py and SoloLearn, its exercises are highly repetitive, which makes you get bored quickly.”
- “Nice idea not enough content — I like the idea but there just isn’t enough depth. There are loads of topics but just not enough content. For example the React lesson on looks at the very basics and that’s it?”
App Crashes and Technical Instability
Several users report that the app crashes on launch or during use, making it unusable despite positive initial impressions.
9
reviews
- “Keeps crashing cannot open it”
- “This app looks super good and I really want to use it but it keeps crashing when I open it please fix this”
- “Won't open — Crashes on open.”
Deceptive Pricing and Hidden Annual Charges
Users are frustrated by misleading pricing displays (e.g., showing monthly cost but forcing annual purchase), resulting in surprise charges.
11
reviews
- “It’s supposedly $7 per month for premium but in reality it’s $80 per year charged yearly. That’s a big difference in what’s stated compared to what’s actually charged”
- “Bait and switch — Did only one short lesson hit the payment wall. OK happy to risk a month to see if quality is consistent after the introduction. But when I touch the monthly subscription box it's the annual price that's applied.”
- “Only able to buy yearly subscription :( — Have seen others have had this issue... so please fix the link for the monthly subscription as I would like to learn more”
Forced Study Path and Lack of Customization
Users complain about being locked into a rigid, non-skippable curriculum that doesn’t accommodate prior knowledge or preferred learning paths.
8
reviews
- “New user and the app forces you into HTML from the get go. Back button doesn’t work. I wanted to launch Python and no where to be found. Annoying and deleted.”
- “Why can’t I jump ahead? — I want to love this app so badly. It has all the makings of a terrific learning app. My problem is that I have some prior experience with web development and want to jump ahead to some of the later sections on react etc but there’s no way t”
- “Great app but you can’t skip the beginner content — I love the UX of this app but I’m going to uninstall, they don’t give you the option to skip the beginner content even though I put in that I was intermediate before I purchased the subscription and made an account.”
Refund and Account Access Issues
Users report being unable to get refunds or restore purchases after paying, often citing poor customer support and lack of transparency.
7
reviews
- “Locked out for a few months but not been refunded :(”
- “I sent an email and haven’t got a reply......”
- “I bought the year subscription. It took my 44AUD and didn't give me anything for it. I have tried restoring purchases but it isn't giving me anything.”

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