Language flashcards that live on your Lock Screen.
The passive alternative to 500-card Anki drilling queues.
Flashcard decks work through active recall, but review queues quickly pile up into overwhelming backlogs. VocabPin re-imagines flashcards as ambient widgets, spreading recall micro-moments throughout your normal daily routine.
Crafted for pure glanceable learning
No 30-minute daily cram sessions. No broken streaks. Just effortless exposure right where your eyes already land.
Pick your pair & level
Learn between 16 languages in any mutual combination. Choose your exact CEFR level from A1 beginner to C1, JLPT, or HSK.
Authentic human voice audio
Studio 24kHz pronunciation recorded by real native speakers. Click any voice below to hear natural cadence and tone.
Pin to screen & glance to learn
Pin minimal widgets to your Lock Screen or Home Screen. Unlock 80+ times a day for effortless passive reinforcement.
Pick your pair & level
Learn between 16 languages in any mutual combination. Choose your exact CEFR level from A1 beginner to C1, JLPT, or HSK.
Why flashcard app burnout is real
The cognitive burden of digital flashcard decks.
Spaced Repetition Systems (SRS) are mathematically proven to boost memory retention. However, traditional SRS apps like Anki suffer from a massive flaw: attrition. If you skip two days, your review queue balloons out of control.
VocabPin applies the core principle of spaced retrieval—distributed interval exposure—without the punishing workload. By embedding the card onto your Lock Screen, you engage in low-effort micro-retrievals without opening an app.
How ambient flashcards conquer the Ebbinghaus Forgetting Curve
Reinforce memories before they decay.
German psychologist Hermann Ebbinghaus discovered that human memory decays exponentially within 24 hours of first learning new information.
VocabPin interrupts this decay curve right at the critical moment. Because the word appears on your phone screen repeatedly during the first 24 hours, your synaptic pathways are continually refreshed, cementing the term into long-term memory.
Set up on your iPhone in under 30 seconds
Works natively across iOS 17 to iOS 27 with zero complicated setup.
Long-press your screen
Touch and hold your Lock Screen or Home Screen until the edit jiggle mode or 'Customize' prompt appears.
Select VocabPin
Tap the widget tray under the clock (Lock Screen) or tap the '+' in the top corner (Home Screen), then find VocabPin.
Choose Level & Language
Pick your target language and refresh interval (e.g. every 4 hours or daily). Tap Done. Words now rotate automatically.
Supported Languages for this Widget
Every language includes authentic typography, native audio pronunciation, and curated CEFR/JLPT/HSK levels.
Frequently Asked Questions
In-Depth Guides & Science
How to Learn New Words Without Doing Traditional Flashcards
Why traditional flashcard drilling causes burnout, and how modern ambient systems, comprehensible input, and micro-retrieval offer a calmer path to fluency.
Why You Forget Words (and How Ambient Glances Fix the Forgetting Curve)
Human memory decays exponentially within 24 hours of first encountering a new word. Discover how ambient micro-glances interrupt this decay curve before memory traces vanish.
The 7 Best Vocabulary Widget Apps for iPhone in 2026
An in-depth, hands-on comparison of the best iOS vocabulary widget apps. We test widget refresh reliability, battery efficiency, design aesthetics, and audio capabilities.