Best of all keyboards
Makes typing as easy as writing. Worth the low cost and time effort to write grammatically correct Vietnamese words.
Do not buy
The keyboard is so difficult to use, wasted my money !!

This keyboard simplifies Vietnamese input by using consonants, vowels, and tone marks instead of individual letters. It automates screen switching and offers phonetic symbols for learners. Supports one-handed typing on iPhone.
4.0
October 14, 2025
What’s New in Ver4.0 (1) The key layout has been improved. (2) Now compatible with iPhone 17 series. (3) The select SW of the southern and northern dialects of the phonetic symbols on the key has been moved to the containing app.
MoreTo use NguyenKey, you need to add it as an additional keyboard in your iOS settings under General > Keyboard > Add New Keyboard. You also need to enable Full Keyboard Access in Accessibility settings to manage typing sounds.
NguyenKey is compatible with iPhone SE2 through the iPhone 17 series, and iPads from the 5th generation to iPad A16. It supports iOS and iPadOS versions 15 through 18.X and 26.X.
No, NguyenKey does not contain advertisements. It is a paid application that offers an ad-free typing experience.
NguyenKey is available for a one-time purchase price of $2.99.
NguyenKey simplifies typing by inputting Vietnamese using consonants, vowels, and tone marks directly, rather than individual letters. It intelligently guesses consonant types and automates vowel screen switching.
Yes, NguyenKey can assist Vietnamese learners by displaying phonetic symbols for consonants and vowels directly on the keys, making it easier to understand and input the correct sounds.
The latest version of NguyenKey is 4.0, last updated on October 14, 2025. Updates typically occur to ensure compatibility with newer OS versions and device models.
Based on the provided data, NguyenKey has a rating of 3.0 stars from 2 ratings. This suggests a mixed to neutral user reception.