KeyBoy – AI Translate Keyboard
Learn English, Korean, Chinese
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Turn your daily typing into language learning.
With KeyBoy, simply replace your iOS keyboard and every sentence you type is instantly translated into English, Korean, Chinese, and more.
Don’t know a word? Just tap once to see the meaning. Whether you’re chatting, scrolling social media, writing emails, or searching maps, you’ll be building your language skills naturally—while using the apps you already love.
Key Features
- Real-time translation: Instantly convert Japanese into foreign languages as you type.
- Professional translations: Choose from casual, formal, British English, and more.
- Dictionary pop-up: Check word meanings on the spot.
- Insert translated text: Chat smoothly in foreign languages.
- Privacy-first: Your input data is only used for translation, nothing else.
- Free plan: Unlimited access to fast direct translations.
- Premium plan: Near-unlimited access to professional translations.
With KeyBoy, every app becomes a practical language lesson.
Start your own “Keyboard Study Abroad” today.
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Bug fixes and performance improvements.
The developer, Yuta Kuchiba, 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
- Yuta Kuchiba
- Size
- 117.1 MB
- Category
- Reference
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 18.0 or later. - iPad
Requires iPadOS 18.0 or later. - Mac
Requires macOS 15.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 2.0 or later.
- iPhone
- Languages
- English and Japanese
- Age Rating
16+
- 16+
- Contains
Unrestricted Web Access
- Copyright
- © 2025 Yuta Kuchiba