KaChiKa is an application designed to help users learn Japanese through everyday contexts. By utilizing intelligent image analysis technology, it converts image content into Japanese words and sentences, aiding learning through visual memory. The app emphasizes easy mastery of Japanese in daily life and is suitable for various types of learners. It is available for free download, but includes in-app purchases, such as a premium subscription priced at $2.99 per month or $29.99 per year.