If you're looking for a free, fun way to learn Japanese, the Bunpo app is for you. It offers thousands of Japanese grammar questions and explanations, and it's completely free to use!

All of these are presented to you in an easy-to-understand format and are accompanied by interactive animations to help you understand the concepts better. The questions are divided into different levels, and you can choose to study in either hiragana or katakana.

Bunpo Plus is the premium version of Bunpo, and it offers a lot more than the basic version. You will be able to access hundreds of additional courses, with more and more being added every day. You will also be able to create your own courses and share them with your friends.