Learn Vietnamese with an iPhone Lock Screen Widget.
Chữ Quốc Ngữ, six tone diacritics, and practical Vietnamese words.

Vietnamese combines Latin script (Chữ Quốc Ngữ) with six tonal variations that alter meaning. VocabPin features tone-marked vocabulary cards that make tone recognition second nature on your iPhone.

Authentic Vietnamese Typography & Phonetics
Engineered with native Apple typography rules tailored specifically for Vietnamese.
Script & Orthography
Latin-based Chữ Quốc Ngữ with tone diacritics (sắc, huyền, hỏi, ngã, nặng, ngang) and modified vowels (ă, â, đ, ê, ô, ơ, ư).
Pronunciation & Audio Support
Tone direction visual hints and regional differences between Northern and Southern pronunciation.
Sample Vietnamese Vocabulary in VocabPin
Click any word below to preview it on the Lock Screen widget above and hear its native pronunciation.
Why passive widgets excel for learning Vietnamese
Visual tone markers must be associated instantly with word meanings. Seeing them repeated on your Lock Screen builds intuitive, subconscious tonal retention.
Also Popular with Vietnamese Learners
Vietnamese Widget FAQ
In-Depth Guides & Science
How to Learn Vocabulary Passively: The Science of Ambient Exposure
Discover the cognitive psychology behind passive language acquisition. Learn why seeing a foreign word 80 times a day on your iPhone Lock Screen builds stronger recall than grueling 30-minute flashcard sessions.
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.
How Often Do iPhone Widgets Update? iOS Timeline Explained
Ever wondered why some iOS widgets freeze while others update smoothly? Dive into Apple's WidgetKit architecture, timeline budgets, and how VocabPin ensures reliable offline rotation.