Vocabuo - The vocabulary app

Learn vocabulary from content you love with spaced repetition flashcards

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Added Jul 2026

vocabuo.com

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What is Vocabuo?

Vocabuo is a vocabulary learning app that uses spaced repetition flashcards to help learners progress from conversational to C1 level. It pulls vocabulary from content you enjoy - books, articles, YouTube videos, and websites - turning them into personalized lessons. The app supports six languages (English, Spanish, French, German, Italian, Swedish) with CEFR-aligned word lists and features dynamic card types, sentence examples, and an AI tutor for grammar assistance.

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Key Features of Vocabuo

Spaced Repetition Algorithm
Word Lists from CEFR A1-C2 Levels
Sentence Examples for Context
Dynamic Card Types (sentences, dialogs, audio, definitions)
Website Reader
YouTube Player Integration
eBook Support
AI Tutor
Grammar Cards
Progress Tracking
Multiple Learning Styles (type, pronounce, tap to reveal)
Word Explanations with Built-in Dictionaries
Ready-made Vocabulary Lists

Who Should Use Vocabuo?

Learn English, Spanish, French, German, Italian, or Swedish

Prepare for CEFR level exams

Improve vocabulary from books and articles you enjoy

Learn words directly from YouTube videos

Supplement language learning with grammar practice

Vocabuo: Pros & Cons

✓Pros

150,000+ downloads with 4.7 average rating
Includes rare C2 level vocabulary
Smooth, easy-to-use interface
Multiple learning modalities (typing, speaking, tapping)
Seamless integration with eBook reader, text analyzer, browser, and YouTube viewer
AI tutor for personalized feedback
Customizable spaced repetition intervals
Good for both beginners and intermediate learners

✕Cons

Some format problems with text analyzer (noted as actively under development)
Occasional issues with sample sentence quality

Frequently Asked Questions about Vocabuo

What languages does Vocabuo support?

Vocabuo supports six languages: English, Spanish, French, German, Italian, and Swedish.

How does the spaced repetition algorithm work?

Cards you find easy are shown less frequently, while difficult ones appear more often. You can set repetition intervals yourself or use the default algorithm.

Can I learn from content I already enjoy?

Yes, you can extract vocabulary from websites, YouTube videos, eBooks, and other texts to turn into personalized flashcards.

What are the different card types available?

Vocabuo offers multiple card types including sentences, dialogs, audio, definitions, and grammar cards.

Is there an AI tutor feature?

Yes, Vocabuo includes an AI tutor that provides learning assistance, feedback, and help with grammar improvement.