FluentBoo

The Ultimate Vocabulary Builder

The most powerful way to capture, learn, and master new words from any app, screenshot, or real-world object—all in one place.

What else can FluentBoo do?

Review smarter with Spaced Repetition flashcards.

Our intelligent SRS system shows you the right card at the right time. Rate your confidence and let the algorithm schedule your reviews to maximize long-term retention with minimal effort.

Generate custom stories from your vocabulary.

Turn your newly saved words into immersive, personalized stories. Read and listen to contextually relevant tales designed by AI to cement your learning.

Chat naturally with your AI Tutor.

Interactive text chat designed to practice your target language. Get instant translations, grammar explanations, and response suggestions as you type.

Listen, repeat, and get real-time feedback.

Master pronunciation with Shadowing Mode. Speak along with native speakers, record your pronunciation, and get instant feedback.

Extract words from photos and real life.

Point your camera or upload screenshots to instantly recognize text with advanced OCR, or let the AI identify objects in your images to expand your vocabulary.

Learn words from history's greatest minds.

Review quotes from famous figures all over history, old and modern. Learn about their quotes, acquire new words, and read a brief history on each historical figure.

Test your knowledge with Multiple Choice.

Challenge yourself with multiple-choice questions crafted from your saved vocabulary. Choose the correct translation, meaning, or usage to reinforce what you've learned.

Match words to their meanings fast.

Race against the clock to pair words with their correct translations or definitions. A fun, engaging way to solidify vocabulary recall through active recognition.

Spell it out to make it stick.

Type the correct translation or spelling from memory. Typing practice is one of the most effective methods for deep vocabulary retention and spelling accuracy.

Arrange words to build sentences.

Drag and drop words into the correct order to form grammatically correct sentences. This mode strengthens your understanding of sentence structure and word usage in context.

Simple, transparent pricing

No credit card required to start.

Frequently asked questions

How does Fluentboo work?

Fluentboo captures words from photos, screenshots, and text you paste in. It helps you translate, understand context with the AI tutor, and review with smart flashcards.

Is Fluentboo free to use?

Yes. You can start free and upgrade anytime if you want unlimited AI tutor help and advanced features.

What languages are supported?

Fluentboo is designed to support many languages for translation and vocabulary capture, including major world languages.

Do I need an account?

You can start without an account. Creating one later helps you sync progress across devices.

Can I use it offline?

Some features require an internet connection (like AI tutor). Capture and review can be designed to work offline depending on your setup.

What about privacy?

You’re in control of what you import. The app is designed to be transparent about permissions and what data is used for learning.

The last vocab app you'll ever need.

Stop just scrolling. Start mastering every word you encounter.