Pro

1. User-Friendly Interface: The All PDF Reader, PDF Viewer app offers an intuitive user interface, making it easy for users of all levels to navigate and access functions quickly.

2. Multi-Functional Features: It supports various functionalities like annotation, editing, converting, and merging PDFs, providing an all-in-one solution for managing PDF documents.

3. Fast and Lightweight: The application is optimized for rapid performance and low resource usage, ensuring smooth operation on a range of devices without significant lag or memory consumption.

Con

1. Frequent Ads: The All PDF Reader, PDF Viewer app is heavily loaded with ads, which can be intrusive and disrupt the user experience.

2. Limited Features: Compared to more comprehensive PDF readers, the app lacks advanced features like annotation tools and cloud integration.

3. Performance Issues: Users have reported occasional lagging and crashes, especially when handling larger PDF files.