Holy Bible in Japanese and English. You can learn the bible by contrast.
And the app has Japanese and English mp3 audio for holy bible.
And you can search keywords in the app.
And the app has Child bible with mp3 audio.
And the app has Character checkup with mp3 audio.
And the audio can play in background.
And you can download audio files to iPhone, so when you have no network , you can still listen audio bibles.