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Vietnoi

See your voice, hear the tones
Remi Georges Nicolas Desgranges · Education
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App info

Developer
Remi Georges Nicolas Desgranges
Category
Education, Entertainment
Released
Sep 23, 2026
Version
1.1.0 (Oct 18, 2026)
Price
Free
Size
121.8 MB
Requires
iOS 16.4
Age rating
4+
Languages
English and French

In-app purchases

Lifetime$199.99
Annual$79.99
Monthly$9.99
Current prices, App Store US.
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About Vietnoi

Vietnamese rests on six tones. Get one wrong and you have said another word: ma, mà, má, mả, mã and mạ are six different words. Vietnoi teaches you to read the tones before you say them — then it draws your voice next to a reference Vietnamese voice, so you can see whether you got there. Nobody hears their own voice the way others do. A curve shows it. WHAT’S INSIDE • The six tones: read them, hear them, say them, with your pitch traced on screen • Reading Vietnamese: every letter, vowel and ending, from the first lesson • Listening to real sentences, slowed down when you need it • Who you are talking to: anh, chị, em, ông, bà… the pronouns that change with every person • Everyday grammar, vocabulary, Sino-Vietnamese roots and flashcards • Typing Vietnamese on any keyboard • Northern (Hanoi) pronunciation, with the Southern differences explained HOW IT WORKS 202 chapters, never asking…
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