About this app
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.
Latest release
What’s New
Bug fixes and performance improvements.
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 20, 2026 · 3:45 PM Free
Screenshots
