金刚经经典版 is an educational book app designed specifically for iPhone users. Developed by 云飞 张, this app provides users with a classic version of the Diamond Sutra, a Buddhist scripture.

The app offers various versions of the Diamond Sutra, including the original text with annotations for easy reading, a version with complete pinyin pronunciation, and a translation in modern Chinese. Users can also listen to a narration of the Diamond Sutra by renowned Chinese singer Wang Fei.

One of the key features of 金刚经经典版 is the ability to track the number of times users have listened to the narration, providing a sense of encouragement and progress. The app is designed to be user-friendly, with a focus on comfortable reading, listening, and viewing experiences.

The app also includes features such as bookmarking the last read page, realistic page-turning animations, and the ability to adjust font size and style. Users can choose from different fonts such as Kai and Li, and customize the text size according to their preferences.

Overall, 金刚经经典版 is a comprehensive book app that caters to the reading, listening, and viewing habits of iPhone users. With its meticulous attention to detail and commitment to accuracy, this app aims to provide a truly classic experience of the Diamond Sutra.