Learn 5 new words a day by speaking: explain meanings, make sentences out loud, and lock them in with spaced review and frequency-based guidance.
Fufive helps you build practical English vocabulary by using it—out loud. Every day, you learn five new words, practice explaining what they mean, make your own sentences, and review them on a personalized schedule designed to beat forgetting.
Practice real output—explanations and sentences—so words become usable, not passive.
Your reviews are scheduled at the right time, based on the forgetting curve and your performance.
Zipf-based frequency levels guide you toward high-impact words and phrases first.
AI generates a short article based on your learning history.
Type your list, select from the article, or let Fufive recommend.
Say what it means in your own words. Fufive checks understanding instantly.
Use the word naturally. Fufive corrects usage, grammar, and clarity.
Old items return at the right time—so you remember without cramming.
See what you've learned, what's mastered, and what's next.
Small enough to stay consistent, big enough to compound. Built on active recall and spaced repetition, designed for real speaking.
Explaining and producing sentences forces real retrieval—how fluency is built.
Timing beats cramming. Reviews happen right before forgetting.
High-frequency words unlock a large part of everyday English.