PPI Guru is utility to calculate display's PPI (Pixels Per Inch) of Phones, Pads or Laptops, even Monitors.

爱糗事是一个糗事百科网站的 iOS 客户端，支持 iPhone、iPod touch 以及 iPad。

Chattie is a Twitter client for iPhone and iPod touch which supports multiple authentication methods and API types.

MessageGo is an powerful contacts’ group manager and a group text sender for iPhone, iPod touch and iPad.