See VocabNinja in action
Flashcards, spaced repetition and playful training – all in one app. Learn smarter, not harder.
Download on the App Store
Create and organize your vocabulary in clear flashcard sets. Import and export included.
Our intelligent algorithm shows you vocabulary exactly when you're about to forget it.
Quiz modes, writing exercises and challenges make learning varied and motivating.
Learn vocabulary in as many languages as you like – from English to Spanish to Japanese.
Keep track of your progress with detailed statistics and learning streaks.
Your learning data is stored on your device by default, with no account required. Only AI analyses or exports you explicitly start share selected content with the service you choose.