MaruReader
iPhone & iPad · Free & open source

A Japanese reader & dictionary

Read more. Learn more.

MaruReader is a free, open-source app for learning Japanese on iPhone and iPad. Read books, manga, and websites with a dictionary close at hand.

Download on the App Store Source on GitHub

A look inside

Select a screenshot to view it at a larger size.

iPhone

iPhone: Read with a dictionary. Look up a word without leaving your book.
Read with a dictionaryLook up a word without leaving your book.
iPhone: Look up manga text. Recognize text on the page and explore unfamiliar words.
Look up manga textRecognize text on the page and explore unfamiliar words.
iPhone: Read Japanese websites. Keep a dictionary beside the page you are reading.
Read Japanese websitesKeep a dictionary beside the page you are reading.
iPhone: Set up Anki. Choose how vocabulary becomes a flashcard.
Set up AnkiChoose how vocabulary becomes a flashcard.
iPhone: Make it your dictionary. Choose and organize the dictionaries you read with.
Make it your dictionaryChoose and organize the dictionaries you read with.

iPad

iPad: Read with a dictionary. Look up a word without leaving your book.
Read with a dictionaryLook up a word without leaving your book.
iPad: Look up manga text. Recognize text on the page and explore unfamiliar words.
Look up manga textRecognize text on the page and explore unfamiliar words.
iPad: Read Japanese websites. Keep a dictionary beside the page you are reading.
Read Japanese websitesKeep a dictionary beside the page you are reading.
iPad: Set up Anki. Choose how vocabulary becomes a flashcard.
Set up AnkiChoose how vocabulary becomes a flashcard.
iPad: Make it your dictionary. Choose and organize the dictionaries you read with.
Make it your dictionaryChoose and organize the dictionaries you read with.

Manga: Give My Regards to Black Jack by SHUHO SATO. Used under the terms on the author’s website.

Need a hand?

For dictionaries, supported files, Anki, and more, start with the FAQ. You can also ask a question in GitHub Discussions.