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.

6 reviews·4 themes

Missing Chinese language support
Users are requesting the addition of Simplified and Traditional Chinese language options to improve accessibility for Chinese speakers.
1
reviews
- “[1★] 请添加简体中文以及繁体中文！！ — 请添加简体中文、繁体中文，这样的话就会有更多中国人下载这个，我就是一个中国人”
Code input not working or invalid token errors
Users report that they cannot enter code into the app, or the app returns invalid token errors even on basic syntax like console.log("hello world").
2
reviews
- “[1★] Код не вводится — Одна звезда только потому что невозможно ввести код в приложении, исправьте пожалуйста и я изменю оценку”
- “[2★] Keyboard now works but now code returns invalid token. — Keyboard now works, but on the most basic of codes console.log(“hello world”) the test case is returning an invalid token.”
Keyboard not appearing or disappearing unexpectedly
Users experience issues where the keyboard fails to appear or closes immediately when trying to input code in challenges.
2
reviews
- “[2★] Keyboard — Want to love this app. I was excited to have an app to reinforce the code I am learning. BUT the keyboard will not come up for me to enter the value into the challenges. I have to use the computer to do it. Please fix this bug so I can buy”
- “[2★] Keyboard will not stay open — When trying to fill out response questions, the keyboard will not come up and stay open. Possible bug?”
Incorrect or misleading educational content
Users report that the app makes fundamental mistakes in basic programming concepts, especially in the Python path, undermining its credibility as a learning tool.
1
reviews
- “[1★] Good format, gets basic things wrong very quickly, ads — I'm not an expert programmer and was hoping to find some reinforcement from Coddy. Unfortunately, at least in the Python path, it gets some very basic things wrong very early on. Since they have a Rust path, I was hoping to, eventually, go”

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