This is ChinesePod's recommended app for learning pinyin, made to help you easily get a grasp on Chinese pronunciation. The app has two modes: a "Learn" mode and a "Table" mode. You can use the "Learn" mode to study pinyin step-by-step, or use the "Table" mode to browse. The app covers the four tones with audio of both male and female voices. It's an indispensable companion for the beginning Chinese learner.