Based on the user reviews, here are three cons and pros of the app "Frontline Blood Strike Attack": **Cons:** 1. "In-app purchases getting ridiculous, forcing users to spend more for better gameplay." 2. " Constant server errors and crashes, frustrating and disappointing experience." 3. "Too many ads, disrupting the flow of gameplay and compromising overall experience." **Pros:** 1. "Engaging and intense gameplay, keeping me hooked for hours on end." 2. "Love the concept of real-time strategy and co-op mode, so much fun with friends." 3. "Regular updates with new content and events, keeping the game fresh and exciting." (Note: The reviews may have changed since I last checked, but these are based on the reviews available at the time of my knowledge cutoff.)