DuoCards - Vocabulary Builder

Name: DuoCards - Vocabulary Builder
Rating: 4.5165877 (58726 reviews)
Author: DuoCards

DuoCards

★ 4.5 (58,726 ratings)

⬇ 5,000,000+ downloads

Est. actual: 5,628,702

Free

Released: Apr 4, 2020

IAP: $6.70 - $108.33 per item

Contains ads

Rated: Everyone

Signals

4 this week · 1 positive · 1 warning All of this week's signals →

📈Last 7 days +17K installs — 59% slower than the week before (+43K) · 2.7K/day since Sep 26
🏆Among Education apps top 1% by installs gained this week (1752 peers growing)
⭐Rating steady at ★ 4.52 since Sep 26
🛠Updates quiet · updated 71 days ago

Installs since launch

+95,730 installs · +1,255 ratings since Sep 26

Update history

1.20.18 Aug 31, 2026 · seen Sep 26, 2026

Learn more wherever you are with reliable offline study and syncing. Create personalized card sets with AI, get detailed pronunciation feedback, and practice with richer roleplays and comprehension exercises. We also added language-level progress, mobile deck export, and easier set search—plus many fixes and performance improvements.

Only the current version so far — new entries appear as the app ships updates.

DuoCards - Vocabulary Builder screenshot

DuoCards - Vocabulary Builder is an education app by DuoCards with 5,000,000+ downloads (about 5.6M estimated). +17K installs in the last 7 days. Rated 4.5 from 59K ratings. Released Apr 4, 2020. Install growth, rank history, SDKs and ad networks.

From the store listing: “Build vocabulary and learn languages with DuoCards, a flexible vocabulary builder for English and 50+ languages. Save new words from videos, articles, subtitles, courses, then practice with AI flashcards, speaking exercises, listening practice, and spaced repetition so the words stay in memory. DuoCards is built for…”