Vocabuo

Vocabuo is a vocabulary-focused language learning app for learners studying English, Spanish, French, German, Italian, or Swedish, from beginner to C1 and beyond, on iOS, Android, and a web app (beta).

Key capabilities include:

• Spaced repetition (SRS) flashcards with dynamic card types, including sentences, dialogs, audio, and definitions, plus practice by typing, speaking, or tap-to-reveal, with adjustable repetition intervals
• Learn from real-world content by pulling words from YouTube videos, any website (website reader), and eBooks/texts, then turning them into review cards
• Ready-made word lists, including official A1, A2, B1, and B2 lists, CEFR-level lists, and lists from songs and books, with the option to skip words you already know
• AI tutor and word help with AI explanations, the built-in Vocabuo dictionary, example sentences, grammar cards, and detailed progress statistics

Pricing: Freemium. Vocabuo is free to download and use indefinitely, with core features such as flashcards, spaced repetition, and the content reader; an optional Premium in-app subscription unlocks additional features.

Notable for its focus on SRS-driven vocabulary acquisition from content you enjoy (video, web, and eBooks) paired with AI-assisted explanations, with 150,000+ downloads and a 4.7 average rating across the App Store and Google Play.