價格：免費
檔案大小：6.1 MB
版本需求：系統需求：iOS 12.2 或以後版本。相容裝置：iPhone、iPad、iPod touch。
支援語言：英語
Draw a shape as you want and press play to hear how the shape sounds like. Touch the squares to paint them, touch one more time to erase them. Zoom in to make more accurate patterns, zoom out to see the big picture. Choose how fast you want the music to play. Quickly reset squares with the x button.
支援平台：iPhone, iPad