價格：免費
檔案大小：9.2 MB
版本需求：需要 iOS 8.4 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Test your color vision! It's simple: try to identify the square with a different color. How far can you get without losing? Have fun and share with your friends! You should also try out the Apple Watch app and play on the go without ever needing to pull out your iPhone!
支援平台：iPhone