Based on the users' reviews, here are three cons and pros for the app: **Cons:** 1. **Difficulty accessing e-textbooks**: Users report issues with downloading and accessing e-textbooks, causing frustration and wasted time. 2. **Inconsistent formatting and quality**: Some users complain about poor formatting, missing pages, and varying quality of e-textbooks, affecting reading experience. 3. **Limited features and functionality**: Users request more features, such as note-taking and highlighting capabilities, to enhance learning and organization. **Pros:** 1. **Accessible and portable learning**: Users praise the convenience of having e-textbooks on their devices, allowing for easy access and portability. 2. **Improved reading experience**: Many reviewers appreciate the app's clean layout, clear formatting, and easy navigation, enhancing overall reading experience. 3. **Cost-effective and environmentally friendly**: Users like that the app reduces the need for physical textbooks, making it a cost-effective and eco-friendly learning option.