Full Stack Shuffle
Decide what you know. Revisit what you don’t.
Work through a focused stack of word cards, mark your recall, and keep difficult language in rotation.
- Written pronunciation
- Clear, concise definitions
- Save any word for later

A sharper vocabulary, one session at a time
Learn 4,000+ advanced words from philosophy, theology, rhetoric, and history with flashcards, a synonym game, and a daily word. No ads. For iPhone and Android.


Speak with confidence
Grow your vocabulary daily
Become more articulate
Practice that asks more of your memory
Two fast practice modes move words from “I know that” to “I can use that.”
Full Stack Shuffle
Work through a focused stack of word cards, mark your recall, and keep difficult language in rotation.

Synonym Game
Pick the most accurate synonym and strengthen the fine distinctions that make expression clear.

tolerant
TOL-er-unt
Willing to accept opinions or behaviour one disagrees with.
A habit small enough to keep
Open to a fresh word, complete a short round, and move on with your day. Power Vocab keeps progress visible without turning study into a spectacle.
Start with one word and follow your curiosity.
Every interaction is built around language and recall.
Streaks and saved words make the practice tangible.
Language with a point of view
Study vocabulary in context with focused packs spanning argument, history, philosophy, rhetoric, and religious traditions.

Power Vocab is a vocabulary app for iPhone and Android that teaches 4,000+ advanced English words through flashcards, a synonym game, and a daily word.
Power Vocab combines flashcards, synonym matching, saved favorites, and a Word of the Day for daily vocabulary practice.
Full-Stack Shuffle: Browse every word in your library with swipeable flashcards.
Synonym Game: Test your knowledge by matching words to the correct synonym.
Favorites: Save important words for quick review and long-term retention.
Power Vocab is free to download.
Power Vocab Pro: $4.99/month or $44.99/year
Introductory price: $27.99/year.