Language Errors in Language Learning Apps
Users are experiencing significant frustration with language learning apps due to issues such as incorrect language prompts and technical errors that disrupt their learning process. Additionally, there are complaints about lack of communication regarding subscription changes and poor customer service responses.
16 people in 16 posts across 1 source · demand low, pain low, competition low
The pain
shares of 16 quoted postsWhat goes wrong, and for whom
- Who
- 16 people using Duolingo: Language & Chess
- What goes wrong
- Doesn't work19% of posts
- How bad
- 81% of posts are complaints · pain score low (28/100)
- Since
- 13 Sept 2026 → 19 Sept 2026
Is this a startup idea?
Not directly. These are complaints about a product or service people already use — the fix belongs first to that provider.
- Complaints are about
- Duolingo: Language & Chess
- Looking for something else
- 0% want an alternative · 19% ask the provider for a feature
- What the numbers say
- Almost nobody is looking for a different product — people want this provider to fix it, not a new option.
The pain — what people say
Their asks, who is writing, and the posts themselves
What people were doing
Every post behind this page, by what its author was doing — and when each one was written
- Complaint1381%
- Request319%
Sources
16 signals · 1 sources
Evidence
Raw public posts behind this opportunity — click through to the original. 3 posts were held back as off-topic; all 16 still count toward the score.
…i App xuất hiện lỗi bị đơ ko vào học được, mất mấy hôm mới vào được. Ngoài ra còn bị lỗi lẫn ngôn ngữ khác vào bài học khi ko phải ngôn ngữ đang học.
Doesn't workDuolingo: Language & Chess — Lỗi phần giải thích đáp án sai Khi làm sai ấn vào giải thích thì bảo lỗi ko kết nối được máy chủ, mặc dù tôi đã đổi mạng hoặc bấm nhiều lần vẫn ko đc
Doesn't workDuolingo: Language & Chess — … Kêu là sẽ thông báo trc khi đăng ký gói super mà ko có thông báo , xong tự động trừ tiền
Duolingo: Language & Chess — bị lỗi — đã gửi phản hồi nhưng không khắc phục
Doesn't workDuolingo: Language & Chess — Tự động gia hạn gói plus, không gởi mail thông báo, gởi phản hồi yêu cầu hoàn tiền không xử lý Tự động gia hạn gói plus, không gởi mail thông báo, gởi phản hồi yêu cầu hoàn tiền không xử lý
Market and score
Products already there, how the score moved, and what it is made of
Opportunity history
Every score change is stored as a snapshot — click a sub-score to overlay it
Not enough history yet
Why did it move?
Needs at least two snapshots
No movement recorded yet
A second snapshot is needed to explain a change.
How the score was measured38 measured values behind the seven sub-scores · each shows the value, then the points it earned out of 100Show ↓Hide ↑
Questions about this idea
- Is Language Errors in Language Learning Apps a startup idea?
- Not directly. These are complaints about a product or service people already use, and the fix belongs first to that provider. The page shows what is frustrating users and how badly — not an open market to start a company in.
- How many people have this problem?
- 16 different people described it independently, in 16 mentions, the earliest from 13 Sept 2026 and the most recent from 19 Sept 2026. The quotes, with dates and links to the originals, are in the Evidence section.
- Is this problem getting worse?
- Current status: emerging — newly appearing in the evidence. Momentum is 80/100, measured as how often it is mentioned recently compared with before.
Adjacent opportunities
Nearest neighbours by embedding similarity
Discussion
Written by readers. Not part of the evidence above and not counted in any score.
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If you have run into this problem, what did you try?