Supported Features
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VoiceOver
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Voice Control
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Larger Text
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Dark Interface
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Differentiate Without Color Alone
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Sufficient Contrast
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Reduced Motion
penguen.io: Vocabulary Cards
Free Language Flashcards
Free · Designed for iPad. Not verified for macOS.
Master vocabulary in 26+ languages — completely free.
No subscriptions. No ads. No paywalls. Ever.
penguen.io is the smarter way to build lasting vocabulary using science-backed spaced repetition.
WHY PENGUEN.IO?
While other flashcard apps charge $35 or hide their best features behind subscriptions, penguen.io gives you everything for free. That's not a trial. That's just how it works.
6 WAYS TO LEARN
Flashcards — classic spaced repetition that schedules reviews exactly when you're about to forget
Multiple Choice — test your knowledge with instant-feedback quizzes
Fill the Letters — master spelling by reconstructing words letter by letter
Match the Pairs — connect words to meanings in a fast-paced pairing game
Dictation — hear the word, write it down, build listening and writing at once
Listen & Choose — train your ear to recognize words in natural audio
STUDY IN YOUR LANGUAGE
penguen.io supports 26+ languages. Whether you're learning English from Turkish, Spanish from Japanese, or French from Arabic — select your native language and study vocabulary the way your brain naturally processes it. No awkward English-only interfaces.
READY FOR YOUR EXAM
Dedicated vocabulary collections for IELTS, TOEFL, PTE, Cambridge, and the Duolingo English Test. Built by language specialists, organized by topic and difficulty level. Stop guessing what to study.
644+ CURATED COLLECTIONS
Browse collections built for every level — A1 Beginner through C1 Advanced. Business English, Academic English, Travel vocabulary, everyday conversations, and more. Or build your own collection and share it with the community.
TRACK YOUR PROGRESS
Daily learning heatmap shows your study consistency at a glance. Streak tracking keeps you motivated. Detailed accuracy stats for every collection so you know exactly which words need more work.
COMPETE AND CLIMB
Join the global leaderboard. Weekly and all-time rankings let you see where you stand against learners worldwide. Friendly competition is one of the most effective motivators for daily practice.
STUDY ANYWHERE
Full offline support — download your collections and study on the plane, underground, or anywhere without signal. Dark mode included for late-night sessions.
Download penguen.io and start building vocabulary that actually sticks. Free today. Free always.
Ratings & Reviews
Fixed missing language options.
Improved sound effect in flashcard sections.
Added text size adjustment options to improve accessibility and readability.
Enhanced Apple VoiceOver support for better screen-reader accessibility.
The developer, FIRAT Kaya, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Linked to You
The following data may be collected and linked to your identity:
- Identifiers
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Contact Info
The developer indicated that this app supports the following accessibility features. Learn More
For more information, visit the developer’s accessibility website .
Information
- Seller
- FIRAT Kaya
- Size
- 29.8 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
13+
- 13+
- Frequent
Contests
Contains
User-Generated Content
Health or Wellness Topics
- Copyright
- © 2025 Penguen.io