Based on the users' reviews, here are three cons and pros of the Happy Grave app: **Pros:** 1. "Very helpful app for tracking and remembering loved ones' passing anniversaries and birthdays." (15 words) 2. "The app is well-designed and easy to use, making it a joy to work with." (15 words) 3. "The Memorial Book feature is a beautiful way to keep memories alive and organized." (15 words) **Cons:** 1. "The free version has limited features and is too restrictive, hindering its usefulness." (15 words) 2. "Some users reported issues with syncing data across devices and experiencing bugs." (15 words) 3. "More customization options are needed to make the app truly personalized for each user." (15 words) Please note that these conclusions are based on a limited number of reviews and may not represent the majority opinion or the full range of user experiences with the app.