Tsukiji - Kanji JLPT app is an offline app. You can use it anywhere, even without an internet connection. You don't have to worry about installing anything. It's all done for you.

It will be of great help for you if you want to train your vocabulary before taking the JLPT.

This app will help you improve your Japanese language proficiency test score.

With this app, you can take a test to make sure you know every kanji in the Japanese language. You will be able to select every kanji you know, and then take a quiz to check if you know them.