Your lifelong English vocabulary companion.
The vocabulary app for serious learners who've outgrown Duolingo. AI-generated word trees, active practice, real-world context — and actual mastery tracking.
Get started freeFree during the beta period. No credit card required.
How it works
Your vocabulary, organized like a tree
Not another flashcard deck. VocaBranch structures words by meaning, context, and relationships — so you learn faster and remember longer.
Build your own vocabulary tree
Group words by meaning, context, and relationship — not just alphabetically.
Go beyond memorization
Every card includes synonyms, antonyms, collocations, and real-world examples.
Designed for serious learners
Whether you're building your first academic vocabulary or pushing toward fluency, VocaBranch gives you the precision to go further.
Ambitious learners have no good tool
You've put in the work. You're fluent enough for meetings, emails, maybe even jokes. But there's a gap — nuance, collocations, the words that separate "good" from "precise."
Duolingo & beginner apps
Too simple. You're not learning "apple" anymore.
Anki & flashcard apps
Manual card creation takes forever. Who has the time?
ChatGPT & AI tools
No structure. No tracking. Just scattered conversations.
Notebooks & YouTube
Words everywhere with no system to actually learn them.
The result? You keep encountering words you "kind of know" — but can't use precisely when it counts.
How VocaBranch works
A complete system for vocabulary mastery — from discovery to retention.
Generate your vocabulary library
Give AI a single prompt — like "gym vocabulary with folders for workouts and expressions" — and get an entire structured library instantly. No manual card creation.
From prompt to library in secondsRich metadata for every word
Each word comes with meanings by grammar role, collocations, synonyms, antonyms, word forms, IPA pronunciation, etymology, register, and difficulty level.
Deep knowledge, not just translationPractice through a 5-step wizard
Listen to real YouTube usage via YouGlish, write a phrase, define the meaning, name a synonym, name an antonym — with AI feedback guiding you at each step.
Active production, not passive recognitionTrack mastery over time
Track mastery based on how you actually perform. Review analytics show what you've truly learned — not just what you clicked "know" on.
Real progress, measured honestlyWhat makes VocaBranch different
Built specifically for ambitious learners who demand more than beginner tools can offer.
AI-generated vocabulary trees
Full structured libraries from a single prompt. No manual card creation ever again.
Active practice, not flashcards
You write, define, and produce — not just tap "I know this" over and over.
Real-world YouTube context
Hear native speakers use each word in authentic contexts via YouGlish integration.
Honest mastery tracking
Track which words you've truly mastered, with analytics that tell the truth.