Based on the reviews of Steel Wheels Online on the App Store, here are three pros and cons: **Pros:** 1. Engaging gameplay with challenging levels and relaxing music. 2. Excellent graphics and realistic train simulations. 3. Plenty of upgrade options and customization choices. **Cons:** 1. Frequent crashes and bugs disrupt gameplay experience. 2. Limited offline playability with constant internet connection required. 3. In-app purchases can be expensive and feel overpriced. Let me know if you'd like me to help with anything else!