Babel Reader is a useful tool designed for iPhone users looking to read foreign language PDFs with ease. The program allows users to translate the current page of text-format PDFs instantly while reading, enhancing the overall reading experience. It's a handy solution for those dealing with multilingual documents or texts, offering convenience and efficiency in language translation tasks.

With Babel Reader, users can seamlessly switch between languages within their PDFs, making it a practical choice for individuals working with diverse language materials. While focusing solely on text-format PDFs and not supporting scanned PDFs in image format, Babel Reader excels in providing a straightforward and effective solution for on-the-go translation needs.