Problems with the app
The reading of some of the kanji was wrong.
Yes, JLPT is completely free and it doesn't have any in-app purchases or subscriptions.
Not enough reviews to make a reliable assessment. The app needs more user feedback.
JLPT is free.
To get estimated revenue of JLPT app and other AppStore insights you can sign up to AppTail Mobile Analytics Platform.
The reading of some of the kanji was wrong.
Too many interruptions