價格：免費
檔案大小：117.3 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
HELLO FRIENDS! In this application we will learn with Ivy the vowels that are not composed by any mixture and do not derive from any other set of colors.
支援平台：iPhone, iPad