The PDF File Reader app provides a range of features to enhance document viewing and editing. Users can open and view PDF files, annotate documents with comments and highlights, fill out forms, and perform text searches. It also offers bookmarking and a night mode for comfortable reading in low-light conditions.

The app has both free and premium versions. The free version includes basic functions like viewing and annotating PDFs. To access advanced features such as cloud storage integration, an ad-free experience, and additional editing tools, users need to upgrade to the premium version via in-app purchase.

Designed for ease of use, the app features an intuitive interface that simplifies navigation and document management. It includes tutorials and a help section to assist new users. Its straightforward design makes it suitable for both beginners and experienced users.

Yes, users can access PDFs offline once files are downloaded to their device. This allows viewing and reading without an internet connection, which is especially useful for on-the-go access to important documents without relying on Wi-Fi or mobile data.

The app is available for both Android and iOS devices, ensuring compatibility across a variety of smartphones and tablets. It also supports syncing across devices when connected to the internet, keeping files consistent and up-to-date wherever users are.