Keitame — Japanese Translator
Dictionary & Learning Tool
Only for iPhone
Free · In‑App Purchases · Designed for iPhone. Not verified for macOS.
iPhone
A translator that turns your text into natural Japanese with the exact tone for the situation.
Most translators overlook tone and context, which can make polite moments sound too casual or friendly chats feel too stiff. Keitame uses AI to shape phrasing so you sound appropriate with teachers, clients, friends, and strangers. Translate into Japanese from 30+ languages and pick the tone that fits the moment.
※ Tones you can choose
Casual
Polite
Business
Slang
Kansai dialect
Youth or internet
Playful
Old fashioned
※ What makes it different
AI tuned for tone and context, not just word matching.
Outputs phrasing that respects Japanese levels of formality.
Helps learners practice how language changes by audience and setting.
※ What you can do
Translate from 30+ languages into natural Japanese.
Expand a result for clearer detail and alternatives.
Show romaji under Japanese for quick pronunciation.
Text to speech with selectable voices, including higher quality options where available.
One tap copy to paste anywhere.
Save results and browse your history.
Personalize with alternate app icons and a custom tint color.
Fast, clean, fully native iOS design.
※ Who it is for
Learners practicing formality with teachers, classmates, friends, and family.
Travelers who need clear, respectful messages for bookings or directions.
Professionals writing with the right level of respect for clients and colleagues.
Friends who want slang or playful phrasing when it fits.
※ How it works
Type or paste your text
Choose a tone
Get a natural Japanese translation
Show romaji if you want
Play the audio, copy it, save it, or expand it for more detail
※ Privacy friendly
No account required.
Purchases handled by Apple.
Non personal diagnostics may be used to improve reliability.
Translation and speech features may use trusted third party services to process your request.
Casual and Polite tones are free to use. Additional tones, advanced voices, and personalization options are available with in-app purchase.
Made with love in Tokyo.
Privacy Policy:
https://www.keitame.app/privacy
Terms of Service:
https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
Thanks for using Keitame! In this update, we improved the UI and fixed bugs so you can use it more smoothly and comfortably.
The developer, Yugi Motta, 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 Linked to You
The following data may be collected but it is not linked to your identity:
- Purchases
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Yugi Motta
- Size
- 64.5 MB
- Category
- Education
- Compatibility
Requires iOS 18.0 or later.
- iPhone
Requires iOS 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 9 more
- English, French, German, Italian, Japanese, Korean, Portuguese, Simplified Chinese, Spanish, Traditional Chinese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Plus Monthly $4.99
- Plus Yearly $39.99
- Plus Weekly $2.99
- Plus Lifetime $99.99
- Copyright
- © Christian Skorobogatow, Yugi Motta