Vocabulary Flashcards: penguen

Master vocabulary in 26+ languages. Completely free, forever. No subscription. No ads. No paywalls. Ever.

penguen.io uses science-backed spaced repetition to show every word exactly when you are about to forget it.

WHY PENGUEN.IO?
While other apps charge monthly fees or hide features behind paywalls, penguen.io gives you everything free. That is not a trial. That is how it works.

6 WAYS TO LEARN
- Flashcards: spaced repetition schedules reviews at the perfect moment
- Multiple Choice: instant-feedback quizzes
- Fill the Letters: master spelling letter by letter
- Match the Pairs: connect words to meanings
- Dictation: hear the word, write it down
- Listen and Choose: recognise words in real audio

READY FOR YOUR EXAM
- IELTS: Academic and General word lists, Band 6-8
- TOEFL: High-frequency academic vocabulary
- Cambridge FCE/CAE/CPE: level word sets
- PTE Academic: Pearson test vocabulary
- Duolingo English Test: DET high-frequency words

644+ CURATED COLLECTIONS
A1 Beginner through C1 Advanced. Business, Academic, Travel, Daily conversations. Build your own and share with the community.

WHO IT IS FOR
- ESL learners building vocabulary from their native language
- Students preparing for IELTS, TOEFL, Cambridge, PTE, DET
- Anyone who tried Anki and wanted something cleaner and free
- Anyone who hit the Quizlet paywall

Join 50,000+ learners every day. Completely free.