JBChartView : iOS Charting Library
JBChartView is a charting library for iOS that lets you create line and bar charts. The library is easy to use and also highly customizable. It features drop-in UIView subclass that is supported across all devices, sports easy to use protocols modeled after a UITableView and has support for expand and collapse animation. A demo application is included in the project repo that shows the use of both line and bar charts and various customization options.