價格：免費
檔案大小：9.3 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
Purpose is to collect data related to the user's feelings / experiences throughout the day. The information gathering is conducted by sending questionnaires to the user, according to the triggers that will be defined by the system administrator. For example, random time during the day, radius from a particular GPS point, social networking activity, etc. This information will be used by researchers to draw conclusions.
支援平台：iPhone