DuoCards - Vocabulary Builder
com.duocards.app
FreeContains adsIn-app purchasesEveryone
Key numbers
5M+Installs
4.5 / 59KRating
Apr 4, 2020Released
Aug 31, 2026Updated
Listing text
Build vocabulary with AI flashcards and video lessons
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 learners who want more than generic language lessons. You can discover useful words in real content, s…
Get this app from the API
curl -H "X-API-Key: $API_KEY" \ "https://apiplay.net/api/v1/app?id=com.duocards.app"
import requests
r = requests.get('https://apiplay.net/api/v1/app', params={'id': 'com.duocards.app'},
headers={'X-API-Key': API_KEY}, timeout=30)
data = r.json()const res = await fetch('https://apiplay.net/api/v1/app?id=com.duocards.app', {
headers: { 'X-API-Key': process.env.API_KEY },
});
const data = await res.json();$ch = curl_init('https://apiplay.net/api/v1/app?id=com.duocards.app');
curl_setopt_array($ch, [CURLOPT_RETURNTRANSFER => true,
CURLOPT_HTTPHEADER => ['X-API-Key: ' . getenv('API_KEY')]]);
$data = json_decode(curl_exec($ch), true);1,000 free credits a month, no card needed. API reference
Screenshots
Fields in the API response
| Package name | com.duocards.app |
|---|---|
| Developer | DuoCards |
| Developer website | duocards.com |
| Category | Education |
| Installs (exact) | 5,622,884 |
| Ratings | 58,556 |
| Reviews | 677 |
| Price | Free |
| In-app purchases | $6.70 - $108.33 per item |
| Ads | Yes |
| Content rating | Everyone |
| Current version | 1.20.18 |
| Requires Android | 7.0 |
| Released | Apr 4, 2020 |
| Last update | Aug 31, 2026 |
| Record refreshed | Oct 27, 2026 |
Rating breakdown
545K
47.4K
32.5K
2803
13.3K
