Build your japanese vocabulary with quizzes created from popular culture.
The quizzes are carefully built by applying smart answer sets to fully challenge your knowledge.
Haru no Tonari lyrics. Song used for the Yuru Camp anime ED.
Collection of na-adjectives from the JLPT N5 list of words.
The deck contains words from the classic folk-tale of Momotaro vocabulary.
What is Kotoba Boost - Japanese Vocabulary?
Kotoba Boost - Japanese Vocabulary is the result of years of learning Japanese and developing Android applications. The members of Lusil are always trying to think of methods and tools to make language learning fun and build our japanese skills.
The idea of this tool is to take the most common words of the subject and help you learn in a quiz type format. Subject will generally be topics that interest you so knowledge can be immediately applied. Topics will be things like Manga, Anime, Songs, Geography, Educational Material and basically anything we might come across.
How much does it cost?
Kotoba Boost - Japanese Vocabulary is completely free to use, and all flashcard decks are free with ads — no hidden fees or subscriptions required. Want an ad-free experience and the added benefit of cloud backup for your account progress? You can choose to purchase decks individually for a seamless, upgraded learning experience. Learn your way, your pace, your choice.
How does the difficulty system work?
The Flashcard App features a three-tier difficulty system designed to match your learning pace:
You're in control—switch between levels anytime to tailor your study experience as you grow.
What data do you collect?
This application falls under the Lusil umbrella so you can refer to the Privacy Policy for a detailed explanation.
You keep saying we. I heard Lusil is just one person?
You heard correct but it's always fun to pretend.
How can we contact you?
At this point the only way to reach us is through email via our About Us. Feel free to provide and comments and suggestions there.