Based on the users' reviews of the Perfect Sandwich app, here are three cons and pros: **Cons:** 1. "Disappointing experience. Ads are invasive and often crash the app." (15 words) 2. "Limited options for customization. Would like more ingredients to choose from." (15 words) 3. "Glitches occur frequently. Unable to reorder frequently without error messages." (15 words) **Pros:** 1. "Love the variety of sandwich combinations. Always finds something new to try!" (15 words) 2. "User-friendly interface makes it easy to order and customize my perfect sandwich." (15 words) 3. "Tasty recipes and clear instructions. Easy to make perfect sandwiches at home." (15 words) Please note that the reviews may have changed since the time of my analysis, and it's always a good idea to check the app's reviews for the most up-to-date information.