KeyBoy – AI Translate Keyboard
KeyBoy - 英語/韓国語を学ぶ高速AI翻訳キーボード
KeyBoy – AI Translate Keyboard is #95 in Reference Grossing in Japan and charting in 1 of 30 countries we track.
Updated 25 Oct 2026 · rankings refresh through the day
DeveloperYuta Kuchiba
CategoryReference
PriceFree
Released
Rating★ 4.9 (13)
Version1.3
Age rating17+
First seen by us
24 Oct 2026
24 Oct 2026Installs (est.)500+ worldwide
Rating
4.9 ★
13 ratings
Measured
Best rank now
#95
Reference GrossingMeasured
KeyBoy – AI Translate Keyboard on the App Store
App details
App ID
6748154672
Publisher
Yuta Kuchiba
On the store since
Jul 2025
1 year on the store
Minimum OS
iOS 18.0+
iPhone XS and later
Devices
iPhone · iPad
Universal purchase
Content rating
17+
1 content note below
Languages
2
EN JA
Size
117 MB
Also listed in
Education
Content notesUnrestricted Web Access
KeyBoy – AI Translate Keyboard downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | ReferenceGrossing | #95 |
Apps near KeyBoy – AI Translate Keyboard on the chart
Reference Grossing, around #95.
Ratings
App Store, worldwide.
Rating
4.9 ★
13 ratings
Measured
Ratings
13
Measured
About KeyBoy – AI Translate Keyboard
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.
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 updates
1.3
Bug fixes and performance improvements.
