Flex PDF Reader is an innovative mobile application designed to help you manage and read your PDF files with ease. With its intuitive interface and powerful features, Flex PDF Reader is a must-have app for anyone who works with PDF documents on a regular basis.

One of the standout features of Flex PDF Reader is its ability to group PDF files together, making it easy for you to access and organize your documents. This feature is particularly useful for users who have a large number of PDF files and need a simple and efficient way to manage them.

Another great feature of Flex PDF Reader is its dark night mode. This feature is especially useful for users who prefer to read their documents in low light environments. With dark night mode, you can read your documents comfortably without straining your eyes.

Flex PDF Reader also includes an auto-detect table of contents feature, which allows you to easily navigate through your documents. This feature is particularly useful for users who need to quickly find specific sections of their documents.

In addition to the auto-detect table of contents feature, Flex PDF Reader also allows you to create custom table of contents for your documents. This feature is ideal for users who want to create their own navigation system and easily access the sections of their document that are most important to them.

Overall, Flex PDF Reader is an efficient and easy-to-use app that makes managing and reading your PDF files a breeze. Whether you're a student, professional, or anyone who works with PDF documents on a regular basis, Flex PDF Reader is the perfect app to help you stay organized and productive