Based on the user reviews of Road Shaper app, here are the three cons and pros: **Pros:** 1. "Easy to use, clear interface, love the routing feature for my road trips!" 2. "Accurate traffic updates and real-time routing keep me on track!" 3. "Love the trip planner, customizable routes, and nice UI!" **Cons:** 1. "Occasional connectivity issues and glitches, frustrating when driving!" 2. "Some routes are not optimized, took me on a detour, what a waste!" 3. "Not enough customization options for my specific route preferences!"