After analyzing the reviews, here are three cons and pros for the Grandparent Book Viewer app: **Pros:** 1. "Easy to use and intuitive interface, suitable for seniors with limited tech skills." 2. "App allows distant grandparents to connect with their loved ones through shared stories." 3. "Scanning and sharing books with grandparents who live far away is seamless and enjoyable." **Cons:** 1. "Occasional lag and slow loading times, causing frustration and disappointment." 2. "Limited customization options for book covers and layouts, which can be limiting." 3. "No direct messaging feature, forcing users to send separate messages via email or phone." Note that the reviews are generally positive, with many users praising the app's ease of use and ability to connect loved ones. However, there are some minor issues that some users have experienced, which are summarized above.