84,700 CEFR-tagged English words. Import any YouTube video — learn only the words above your level. Built for people who outgrew Duolingo.
Most apps cap your vocabulary at 3,000 words. Fluent English needs 10,000–15,000. WordStudy gives you the next 7,000+, sorted by CEFR difficulty.
Paste any video link. We scan the subtitles, filter out what you already know, and surface only the words worth learning. Works with TED, interviews, documentaries.
Flashcards, translation quiz, matching, spelling, context. Each word goes through all five before it's marked mastered. No shortcuts, no fake progress.
UI and word translations in EN, RU, TR, RO, UK, KO, ES, PT, ID, JA, AR, HI, VI, TH, FR, UZ, AZ. Pick yours during onboarding.
100 questions, 15 minutes. Find out where you actually are on the A1–C2 scale.
YouTube link, themed collection, or paste your own list. App keeps only what's above your level.
Cards → quiz → matching → spelling → context. Spaced repetition decides when each word resurfaces.
Retake the CEFR test monthly. Track which collections you've mastered. Real vocabulary, measurable progress.
Try free. Upgrade only when you've decided this is for you.
4 starter collections, 100 YouTube words/month, CEFR levels A1–B2, free level test, 2 exercise stages. No credit card required.
Learners at B1 level or above who want to reach B2/C1, prep for IELTS/TOEFL, or work professionally in English. Not for absolute beginners — try Duolingo or Babbel for that.
Paste any YouTube URL. The app pulls the subtitles, filters out words below your current level, and gives you only the new vocabulary worth learning.
Every word in our 84,700-word dictionary has a CEFR level: A1 (beginner) through C2 (mastery). When you import a YouTube video, you only get words above your current level.
Yes. Free tier includes 4 collections, 100 YouTube words per month, CEFR levels A1–B2, and the level test.
One payment of $99, no subscription. All premium features forever including future updates. No auto-renewal.
Yes. The dictionary and your word list are stored locally on your device. Sync happens in the background when you reconnect.
Anki is a flashcard engine — you bring your own content. WordStudy ships with 84,700 ready-to-learn English words, CEFR levels, and a YouTube importer.
Monthly and annual subscriptions cancel anytime through your Apple ID or Google Play settings. Lifetime is a one-time purchase, nothing to cancel.
Two ways: in-app (Profile → Settings → Delete account), or via web at wordsstudy.com/delete-account. Both permanently delete your data.
Free to try. CEFR test takes 15 minutes. Premium when you're sure.