Based on the users' reviews of the Giant Runner app, here are three cons and pros: **Cons:** 1. "Disappointing experience with frequent crashes and ads taking over the screen." (15 words) 2. "Limited customization options for runners, making it hard to personalize their experience." (15 words) 3. "No dedicated GPS tracking feature, relying on phone's GPS instead." (15 words) **Pros:** 1. "Easy to navigate and use, making it perfect for beginners and casual runners." (15 words) 2. "Fun and engaging graphics and animations keep me motivated to keep running." (15 words) 3. "Good community features, allowing friends to join and support one another." (15 words) Please note that these conclusions are based on the available user reviews at the time and may change as more reviews are added.