500 Mondai - Learning Japanese is an educational app designed to assist Japanese learners in their journey towards mastering the language. Developed by Vu Ngoc, this app is available exclusively for iPhone users.

The app offers three different levels of difficulty: N1, N2, and N3, catering to learners at various stages of their Japanese language proficiency. Each level consists of 500 Mondai, providing learners with ample opportunities to practice and reinforce their knowledge.

After completing each lesson, users can engage in a friendly quiz to test their understanding of the material. This interactive exercise helps learners assess their progress and identify areas that may require further attention.

The app also includes a helpful "Favorite" feature, allowing users to save specific examples or lessons for future reference. Additionally, a search function is available to aid in the understanding and exploration of kanji used in each example.

Overall, 500 Mondai - Learning Japanese is a valuable tool for Japanese learners aiming to pass JLPT N3 to N1. Its comprehensive content, interactive quizzes, and user-friendly features make it a worthy companion in the journey towards mastering the Japanese language.