NguyenKey
New Type Vietnamese Keyboard
$2.99 · Designed for iPad. Not verified for macOS.
In iPhone Portrait mode, the keys that were 8 rows were changed to 7 rows, making the keys bigger and easier to tap.
1. Introduction
NguyenKey is a new type keyboard that inputs Vietnamese in consonants, vowels, and tone marks, not in letters. This has simplified the input of vowels with symbols, which was previously difficult. In addition, you can enter Vietnamese rhythmically by judging the types of consonants and vowels, and automatically switching between consonants and vowels screens.
2. Features
(1) Since Vietnamese is entered in consonants and vowels, not in letters, the number of taps is reduced.
(2) Consonants and vowels are on separate screens, making it easy to select letters.
(3)NguyenKey guesses whether the consonant is the Initial consonant or the final consonant. Determine whether the vowel is a single vowel, a diphthong, a semivowel, or a final consonant vowel with the pressed key, and the screen switching of consonants and vowels is almost automated.
(4) By pressing one of the six tone shift keys before entering vowels, all 21 vowel keys will have tone symbols, making it easier to enter vowels with tone marks and symbols.
(5) There are five input modes: consonants, vowels, numbers, symbols, and English characters. You can type Vietnamese sentences without switching to another keyboard.
(6) You can add phonetic symbols of consonants and vowels on top of the keys, which is convenient for Vietnamese learners.
(7) You can use the one-handed keyboard with the LCR key on the consonant screen. (iPhone)
3. Compatible models and OS [2025.10]
(1) Compatible models
[iPhone] - iPhone SE2 to iPhone 17 series
[iPad] - iPad from the 5th generation to iPad A16
*iPhone includes Pro, Pro Max, Air, etc.
*iPad includes Pro, Air, mini, etc.
(2) Compatible OS
・iOS15 to iOS18.X and iOS26.X
・iPadOS15 to iPadOS18.X and iPadOS26.X
4. Initial settings
The following two settings are required to be able to use NguyenKey.
Additional keyboard settings
(1) Tap the "Settings" icon from the iOS home screen
(2) Go to [General] - [Keyboard] and select "Add a new keyboard"
(3) Tap “NguyenKey"
Setting to add sound when key tapping (allow full access to the keyboard)
(1) Select [Settings] - [Accessibility] - [Keyboard and Input]
(2) On the screen that appears, tap [Full Keyboard Access]
(3) Turn on the "Full Keyboard Access" switch on the screen
*If you make this setting, you can turn the tapping sound on and off with the tapping sound switch in the containing app.
5. Example
Example of entering the most common name "Nguyễn" in Vietnam
(1) First, check the structure of the word. In this case, the Initial consonant (Ng), the semivowel (u), the main vowel is diphthong (yê) and the final consonant (n), and the second character of the diphthong is added the tone mark of the wave symbol.
(2) Since the first letter of the Initial consonant is only a capital letter (Ng), so tap the white arrow shift key. →Then, only the first character of all consonants on the consonant screen will be capitalized.
(3) Tap (Ng). →Then (Ng) is entered, and the screen is automatically replaced by a vowel screen.
(4) Next, tap the semivowel (~u~) key. →The screen does not switch.
(5) Next, tap the tone shift key of the wave symbol. →Then all vowel keys on the vowel screen will have a tone symbol.
(6) Tap(yễ). →Then (yễ) is entered and automatically switches to the consonant screen.
(7) Enter the final consonant (n). →Entering the final consonant the screen don’t switch to the vowel screen. This is because NguyenKey infers that the consonant to be tapped next is the Initial consonant.
― That's it.
6. About the Creator
- Name: Takayuki Imai (今井 隆行)
- Email address: snowysap@gmail.com
Support site: https://superscript.sakura.ne.jp/
7. Privacy Policy
(1) The content entered by the user from the keyboard is not transferred to others via the Internet.
(2) We will not disclose or sell personal information such as the user's name and email address, as well as the contents of communication with us without permission.
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.
The developer, Takayuki Imai, 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 Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Takayuki Imai
- Size
- 1.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 15 or later.
- iPhone
Requires iOS 15 or later. - iPad
Requires iPadOS 15 or later. - iPod touch
Requires iOS 15 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 and Japanese
- Age Rating
4+
- 4+
- Copyright
- © 2018 Takayuki IMAI
