Phone

DuoCards - Vocabulary Builder

Education • DuoCards • ⭐ 4.50 • 5,000,000+

Version 1.20.15 Everyone

Screenshots

DuoCards - Vocabulary Builder screenshot

Permissions Explained 9 permissions requested View details

This app requests 9 permissions. The table below explains what each permission may allow and what users should review before installing.

Status	Permission	What it means	Why it may be used	User safety note
ℹ️ Review	Find Accounts On The Device find accounts on the device	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Record Audio record audio	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	View Network Connections view network connections	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Full Network Access full network access	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Use Accounts On The Device use accounts on the device	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Control Vibration control vibration	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Prevent Device From Sleeping prevent device from sleeping	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Google Play License Check Google Play license check	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.
ℹ️ Review	Receive Data From Internet receive data from Internet	This is an Android permission or app-specific permission requested by the app.	The app may use this permission for features related to its category, device support, background behavior, storage, connectivity, or system integration.	Review this permission before installing, especially if it does not match the app’s expected purpose.

About DuoCards - Vocabulary Builder

Master vocabulary and learn languages fast with DuoCards – the #1 duocards app for Spanish flash cards, English words, AI-powered vocab builder, and more! 🔹 DuoCards Language Flashcards Swipe, sort and study with our spaced-repetition algorithm. Build your vocabulary with duo cards app precision: English vocabulary, Spanish vocabulary, French flashcards, German words, Korean vocab, Japanese kanji, Russian language, Italian vocabulary, Portuguese phrases, and 50+ languages. 🔹 Vocabulary Builder & AI Tutor Use our vocabulary AI builder to discover new words, phrases, and sentences. Whether you’re improving English learning, mastering Spanish vocabulary, or expanding your French vocab, this AI tutor adapts to your level. A free vocabulary builder app and vocab builder for learners of all levels. 🔹 Tinycards & Memorise fun DuoCards app brings you flashcards fun with extra power: built-in translator, offline mode, and shareable decks. 🔹 Video Language Courses & Articles Watch YouTube videos with subtitles, tap unknown words to pause, translate, and save to your duo cards decks. Read foreign language articles to strengthen your bilingual skills and vocabulary building apps routine. 🔹 Progress Analytics & Performance Tracker See your learning streaks, known vs unknown words, and dashboard heatmaps. Track your English vocabulary growth, Spanish flash cards mastered, and total words learned. 🔹 Social & Sharing Features Collaborate with friends on duocards language decks or share your favorite English learning app resources. Join a community of language learners. ✔️ Free language learning apps for English, Spanish, French, German, Russian, Italian, and more ✔️ Learn a language with flashcards, games, and AI-powered vocabulary games ✔️ Bilingual support, educational content, vocabulary building apps, and promo offers ✔️ No subscription required—learn English, learn Spanish free, learn languages anytime, anywhere Download DuoCards today and transform your language learning! Improve vocabulary, conquer English words, master Spanish flash cards, and speak like a native—your ultimate language app.

What DuoCards - Vocabulary Builder Is Used For

DuoCards - Vocabulary Builder appears to be an education app focused on language learning through flashcards and vocabulary practice. Based on the metadata, people commonly use it to study words, phrases, and sentences across multiple languages, with support for spaced repetition and progress tracking. It may be useful for learners who want a structured way to review vocabulary on a phone without relying only on textbooks or static word lists.

The app also appears to support a broader language-learning workflow. Its metadata mentions an AI-powered vocabulary builder, a built-in translator, offline mode, and shareable decks, so it may be used to create or study custom word sets and review them in short sessions. References to video-based lessons, subtitles, and article reading suggest it can also fit learners who want to practice words in context rather than only memorizing cards.

Relevant permissions such as network access and recording audio may support online content, syncing, or voice-related learning features, while the app’s phone format makes it suitable for on-the-go study. Since it includes ads and in-app purchases, users may encounter optional monetized features while using it for language practice.

Common uses

Flashcard study for vocabulary review
Spaced-repetition learning sessions
Practice words and phrases in multiple languages
Use AI-assisted vocabulary building tools
Review translated words and save deck items
Track learning progress and streaks
Study on a phone during short daily sessions

Best for:

language learners flashcard study vocabulary practice phone app self-paced learning

Related tags

App Details

Package:
com.duocards.app

Category:
Education

Developer:
DuoCards

Version:
1.20.15

Updated:
Jan 21, 2026

Min Android:
7.0

Age Rating:
Everyone

Contains Ads:
Yes

In-App Purchases:
Yes

Official Listing

Official listing available on Google Play
Package name: com.duocards.app
Age rating: Everyone

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How to Download DuoCards - Vocabulary Builder

If this app is not hosted directly on APKApps official link, then for the safest and most up-to-date version, install it from its official Google Play listing.