ChmPlus Lite: CHMEPUB Reader, developed by 兰桂 吴, is a comprehensive CHM (Microsoft Compiled HTML Help) document and EPUB reader for iPhone and iPad users. This feature-rich app supports various functionalities such as highlighting, bookmarking, and annotations. Users can efficiently search within documents, open CHM files instantly, and even navigate through extensive files with ease. The application also offers night mode for comfortable reading in low-light environments and supports multiple file types including MS Office, PDF, and various archive formats.

ChmPlus Lite provides robust file management capabilities, allowing users to transfer files via Wi-Fi, create and manage folders, and even secure documents with a passcode lock feature. Users can also interact with images within documents by saving them to the photo album or copying them to the clipboard. With support for various file types and extensive file management features, ChmPlus Lite is a versatile tool for reading and managing documents on iOS devices.