JAccent is an offline Japanese accent dictionary for Japanese teachers and learners.
You can search for the Tokyo dialect accent, and you can also search for kanji's meaning.
Also, you can easily find opposite words, Japanese counter suffix, Japanese surname and so on.
Absolutely, you can use it daily for checking the meaning of the word.

※ Features:
　・Support English, Vietnamese, Chinese, Korean, Indonesian
　・Allow user to contribute for word's meaning, accent, and pronunciation
　・Over 180,000 accents
　・Over 5000 opposite words
　・Over 12,000 kanji's meaning, Onyomi, Kunyomi, writing etc.
　・Adjectives and verbs' forms
　・Japanese counter suffix, Japanese surname, Japanese place name, overseas place name
　・Audio listening
　・Kanji's handwriting recognition
　・Internet is not necessary (Except audio listening)

※ App's data referenced the following page:
- http://accent.u-biq.org/
- http://www.gavo.t.u-tokyo.ac.jp/ojad/
- http://kanjivg.tagaini.net/