📚 Learn words from the content you actually enjoy.
FluentBoo: Vocabulary Builder helps you capture, understand, practice, and remember vocabulary from your own content instead of memorizing random word lists.
Whenever you discover a useful word, phrase, quote, sentence, or expression, FluentBoo helps you save it quickly, learn it in context, and review it through powerful learn and test modes.
⚡ Quick Add Vocabulary
With Quick Add from notifications, you can add new words without breaking your flow. While reading, studying, watching videos, listening to content, chatting, or browsing, you can save vocabulary fast and turn everyday moments into long-term language growth.
No more losing useful words in screenshots, random notes, translations, or browser tabs.
📥 Learn From Your Own Content
Import and organize content from Kindle highlights, Readwise, Notion, Google Docs, Google Sheets, Microsoft Excel, Microsoft Word, and your own saved content.
Bring your books, notes, documents, highlights, quotes, and learning material into one smart vocabulary system.
✨ Why FluentBoo?
Most language learning apps give everyone the same generic exercises. FluentBoo is different.
Build vocabulary from your own content, then learn through AI explanations, examples, stories, quotes, pronunciation training, and AI chat.
Learn English, German, Spanish, French, Italian, and more while understanding words in real context and using them with confidence.
🎓 4 Learn Modes
🃏 Flashcards
Review saved words with focused cards for fast recall and daily vocabulary practice.
📖 Story Mode
Turn selected words into short stories so you can understand meaning, usage, grammar, and context naturally.
💬 Quotes Mode
Learn vocabulary through meaningful quotes, examples, and real language patterns.
🎙️ Shadowing Mode
Practice listening, pronunciation, rhythm, and speaking by repeating words and sentences out loud.
🧠 4 Test Modes
✅ Multiple Choice
Test word meanings with quick vocabulary quizzes.
🧩 Sentence Builder
Build sentences using your saved words and improve grammar, structure, and active recall.
⌨️ Typing Speed
Train fast recall by typing words and meanings quickly and accurately.
🔗 Matching
Match words with meanings to strengthen recognition and memory.
🤖 AI-Powered Language Practice
Use AI to explain difficult words, create examples, generate stories, build practice exercises, support AI conversation, and help you understand vocabulary deeply.
Instead of only translating words, FluentBoo helps you learn how words are used in sentences, conversations, books, documents, and real-life content.
📌 Import Options
Import or organize vocabulary from:
• Kindle
• Readwise
• Notion
• Google Docs
• Google Sheets
• Microsoft Excel
• Microsoft Word
• Your own notes and saved content
🚀 Features
• Quick Add vocabulary from notifications
• Learn words from your own content
• Import from Kindle, Readwise, Notion, Docs, Sheets, Excel, and Word
• Practice with 4 Learn Modes
• Test yourself with 4 Test Modes
• AI chat and AI-generated examples, stories, and explanations
• Flashcards, quizzes, matching, typing, and sentence practice
• Learn through quotes, stories, context, and real examples
• Practice pronunciation, listening, and shadowing
• Save and review important words
• Build personalized vocabulary lists
• Study English, German, Spanish, French, Italian, and more
• Learn through context instead of random memorization
🌍 Built for Real Language Learners
Designed for students, language learners, readers, professionals, and anyone who wants to build vocabulary from meaningful content.
Save words faster. Learn from your content. Practice with AI. Build vocabulary from what you love.