Rhythmushi is a free iPhone app developed by Tsubasa Naruse. It falls under the category of Multimedia and specifically falls into the Music & Radio subcategory.

Rhythmushi is a simple yet engaging app that allows users to explore and play various musical instruments. The app features a wide range of instruments, including drums, guitars, pianos, and more. Each instrument comes with its own unique animation, adding a visually appealing element to the experience.

With Rhythmushi, users can easily tap on the instrument of their choice to produce music and enjoy the accompanying animation. The app provides a user-friendly interface, making it accessible to users of all ages and musical abilities. Whether you're a music enthusiast or simply looking for a fun way to pass the time, Rhythmushi offers a delightful musical experience right at your fingertips.