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DuoCards – Vocabulary Builder

DuoCards – Vocabulary Builder

Android Education DuoCards
4.6 Popularity

Addictive vocab builder with flashcards

System Requirements

Updated
July 25, 2025
Category
Age Rating
Everyone
Developer
Android
Android 7.0++
Package Name
com.duocards.app

So here's my honest take on DuoCards - Vocabulary Builder. I've tested a bunch of vocabulary and language learning apps, and this one's pretty solid. The flashcard system works well, and the AI-powered vocab builder is a nice touch that helps you discover new words tailored to your level. It's got a ton of language options too, so you can use it for multiple languages. The only real downside is the ads, which can get a little intrusive if you don't pay for the premium version. But overall, it's a great free option for building your vocabulary.

Manya Lyalya
AUTHOR: Manya Lyalya Editor, Grand Screen

Pros

  • Tons of languages to choose from - Spanish, French, German, and more
  • Flashcards with spaced repetition algorithm help you learn words efficiently
  • AI-powered vocab builder suggests new words based on your level
  • Free to use, don't have to spend money to get the full experience

Cons

  • Ads can be annoying if you don't pay for the premium version
  • Repetitive after using it for a while
  • Takes some time to get the hang of the different features
GOOGLE PLAY SCORE
4.6 /5
based on 47,740 reviews
Generally Favorable
91
MY SCORE
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Description

Been using DuoCards – Vocabulary Builder for a couple months now. It’s basically an app that helps you learn new words and build your vocabulary, with different language options like Spanish, French, German, and more. Pretty solid if you’re trying to expand your language skills.

Here’s what you do – you get these digital flashcards with words and phrases, and you can swipe through them, sort them, and study them using the app’s spaced repetition algorithm. And there’s also an AI-powered vocab builder feature that suggests new words for you to learn based on your level. It’s got a ton of languages to choose from, so it’s pretty useful for language learners.

Look, if you’re into building your vocabulary and learning new languages, you’ll probably like this app. It’s not perfect – the ads can get a little annoying if you don’t pay – but overall it does the job. Worth checking out if you want to improve your language skills.

User Reviews

Sarah Dickson October 16, 2025

Honestly, this is the best flashcard app I've found for Bengali. It has been hard to learn Bengali because there is not a lot of resources available but this app...

Michael Franklin October 16, 2025

I wanted to review my "learned" cards. I'm not sure how the app decided I'd learned them but I had forgotten many of them and would have liked to have...

Jordan Skinner October 16, 2025

Really well-designed app. It's exactly what I was looking for to help broaden my Spanish vocabulary. However, the free mode is a little too restrictive. You cannot add ANY more...

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