What users complain about in language learning apps.
Technical stability issues vastly outweigh account management problems, suggesting core performance fixes are more critical than feature expansion.
3,990 reviews · 17 apps analyzed · as of June 18, 2026
App crashes, freezes, and becomes unresponsive
Mentioned in 31% of complaints across the 17 apps we analyzed in language learning apps — 22 of 70 counted.
Every complaint, ranked by frequency
Each theme’s share of the counted complaints, with a representative review.
App crashes, freezes, and becomes unresponsive
“The lesson content is fine and digestible, however the app functionality is often faulty and frustrating. The Thai writing lesson portions are especially useless and aggravating to get through. I use my phone to get through the lessons, so I have to use my finger to draw the…”
Speech recognition fails or misinterprets voice input
“I do enjoy using this app. It has a lot of grammar practice and you can discuss a lot of topics. That said, there are a lot of times that it doesn’t hear me correctly and tells me I’m incorrect because I didn’t say it exactly the way the computer wants me to say it. This is very…”
Progress not saved or unexpectedly resets
“I love the idea, but tired of contacting IT regarding errors. It lost my progress, my vocabulary lists in multiple languages and now it doesn't even recognize me as a subscriber. IT doesn't bother reading my emails with screenshots and keep asking me the same questions and…”
Poor customer support response and unresolved issues
“I love the idea, but tired of contacting IT regarding errors. It lost my progress, my vocabulary lists in multiple languages and now it doesn't even recognize me as a subscriber. IT doesn't bother reading my emails with screenshots and keep asking me the same questions and…”
Login errors, sync issues, and account problems
“This is a great app for learning vocabulary; however, the glitches make it very frustrating. Login glitches are prominent. It will log out at random or give you errors. ( (March 2025)It sends a note about being offline or about subscribing even if you’re already a premium user…”
App marks correct answers as wrong
“Trying to use another app outside of Duolingo and at first pass, this app enrages me. I specifically had issues with the true/false part.. it was saying I was wrong when I wasn’t, multiple times. How am I supposed to learn more advanced words if you’re telling me I’m incorrect…”
App frequently asks for reviews and is intrusive
“I don’t want to leave a review, but the app harasses you relentlessly to write one over and over after every lesson.”
Frequently asked
What do users complain about most in language learning apps?
The most common complaint is "App crashes, freezes, and becomes unresponsive" — 31% of analyzed complaints across 17 apps.
How many reviews did AppImp analyze for language learning apps?
3,990 real App Store reviews across 17 apps — frequency-ranked and counted, never estimated.
What are the top complaints in language learning apps?
1. App crashes, freezes, and becomes unresponsive (31%); 2. Speech recognition fails or misinterprets voice input (21%); 3. Progress not saved or unexpectedly resets (14%); 4. Poor customer support response and unresolved issues (11%); 5. Login errors, sync issues, and account problems (9%).
This is the what. The Deep Report is the why.
Root causes behind each complaint, which competitor has already solved it, and whether the gap in language learning apps is still open — the part a model can’t reconstruct.
Every figure above is counted from real, public App Store reviews — never estimated, never LLM-invented. 3,990 reviews across 17 language learning apps.