TransApp Japan - iPhone/Andoid translation services for Japanese market



TransApp handles not only translation but post-translation promotion. We promote via Japanese media, and work to acquire new users for your app.*Promotional services are optional.

The iPhone/Android App Translation Team combines a network of over 500 professional translators with experienced app development engineers.


Translation and LocalizationTranslation and Localization

Apps are localized in order to readily appeal to target Japanese users, with reference to the application’s features, in-game environment, target audience and so on.

We are also developers!We are also developers!

A full lineup of million-hit apps! 3rd place in Top Charts--Top Free apps on Japan’s App Store

pict71,200,000 Download !
kimodameshi2,500,000 Download !
bbs1,000,000 Download !

Leave Promotion in Japan to Us Leave Promotion in Japan to Us

After translating your app, we can carry out promotion in Japanese media, helping you to attract users. *Promotion service is separate from translation. Please inquire for details.

Translation Service



English→ Japanese

 0.21 USD/word

Chinese → Japanese

 0.11 USD/character

Korean → Japanese

 0.11 USD/character

Portuguese → Japanese

 0.11 USD/character

Spanish → Japanese

  0.31 USD/word

Italian → Japanese

  0.31 USD/word

German→ Japanese

  0.32 USD/word

French → Japanese

  0.31 USD/word

*Please contact us regarding other languages.

Submitting to Japanese Review Sites

Rates *Translation fee for posting to Japanese review sites is a flat 260 USD.


Number of sites


iphone App


150 USD

Android App


150 USD

We can handle submissions to approximately 80 app review sites in Japan. Translation and application takes about five business days following receipt of the completed request form.


*Note: Site listings cannot be guaranteed.


ASO, Mobile Ad Networks, CPA programs, PPC, Video Promotion, PR & Guest blogging, community management, and even more.


For inquiries regarding TransApp, please contact us at