價格：免費
檔案大小：58.5 MB
版本需求：需要 iOS 9.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Loon is the app that allows you to see your friend's immediate reaction to your messages -videos, pics and even texts.
Every time you send them a message, you'll get to see what they look like, where they are and how they feel about your messages.
支援平台：iPhone