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Education apps: what reviewers complain about

OneStar has 4 public reports on 3 education apps, and the report shown for each app read 6,239 reviews in all. Missing feature is the top complaint for every app. Babbel has the highest complain share: 69% of the reviewers its report read name a problem, and Missing feature makes up 28% of those complaints. Duolingo has the lowest, at 29%. Over the last 30 days of each report, the average star rating fell for 2 and rose for 1 of the 3 apps with enough recent reviews to compare; it fell furthest for Duolingo, down 0.37 to 4.04 stars. The newest report was updated on October 26, 2026.

3 apps, most complained firstMore filters in the gallery
Duolingo: Language LessonsDuolingo, Inc · App Store + Play
By OneStar

Did Duolingo's AI-first turn change what learners complain about?

Natural mix · 2024-10-01 to 2026-09-25 · 1,668 reviewsNatural mix · 2024-10-01 to 2026-09-25 · 1,668

Top praise: easy to use and content variety and depth. Top complaint: missing feature (in 32% of complaints), then content quality.

Missing feature31%

Watch out for crashes and bugs: raised in 4% of written reviews, store score 4.7.

Rating, 30 days 4.04 −0.37Updated Sep 25

Also on Duolingo: Language Lessons: 1 more

Head to head: Duolingo vs Babbel vs Busuu · Babbel vs Duolingo

Babbel - Language LearningBabbel GmbH · App Store + Play
By OneStar

Duolingo vs Babbel vs Busuu: which language app do learners fault?

Natural mix · last year · 2,299 reviews · refreshed weeklyNatural mix · last year · 2,299 · weekly

Top praise: easy to use, then content variety and depth. Top complaint: missing feature (28% of complaints, mentioned in 30%), then pricing and fees.

Missing feature28%

Watch out for pricing and fees: raised in 16% of written reviews, store score 4.6.

Rating, 30 days 2.86 +0.19Updated Oct 26

Head to head: Duolingo vs Babbel vs Busuu · Babbel vs Duolingo

Babbel vs DuolingoApp Store + Play

Babbel vs Duolingo

Fewer Duolingo reviewers complain: 44% against 71% for Babbel.

Duolingo leads on 5 of 6 measures, Babbel on 1.

Compare with careUpdated Oct 6
Busuu: Language Learning AppBusuu Limited · App Store + Play
By OneStar

Duolingo vs Babbel vs Busuu: which language app do learners fault?

Natural mix · last year · 2,272 reviews · refreshed weeklyNatural mix · last year · 2,272 · weekly

Top praise: easy to use, then community and social. Top complaint: missing feature (27% of complaints, mentioned in 28%), then ads.

Missing feature27%

Watch out for ads: raised in 7% of written reviews, store score 4.7.

Rating, 30 days 4.42 −0.03Updated Oct 26

Head to head: Duolingo vs Babbel vs Busuu