Dr. Moku Hiragana Katakana is a free mobile application that teaches you how to read and write Japanese Hiragana, Katakana, and Kanji in just one hour. The app uses mnemonics to help you memorize the characters effortlessly. It is perfect for beginners or those struggling to memorize the complex Japanese writing system.

The app features an introductory guide to learning Japanese, including video and pictorial examples. It has two learning modes: Manual, which allows you to learn at your own pace, and Autoplay, which plays each symbol and audio clip sequentially. Additionally, there are four quiz types: Visual Recognition, Audio Recognition, Writing Quiz, and Reading Practice.

Dr. Moku Hiragana Katakana includes 25% of both Hiragana and Katakana for free, allowing you to read basic words. The in-app purchase unlocks the entire learning system, along with more features such as Audio Charts and complex Quiz and Practice modes. Overall, Dr. Moku Hiragana Katakana is a fun and effective way to learn Japanese writing.