Based on the users' reviews, here are three cons and pros of the Smash Routes app, each summarized in 15 words or less: **Pros:** 1. Users praise the app's ability to optimize routes, saving time and reducing traffic congestion. 2. The app's user-friendly interface makes it easy to plan and navigate routes. 3. Many reviewers appreciate the real-time traffic updates and alerts for construction delays. **Cons:** 1. Some users find the app's directions can be confusing and prone to errors. 2. A few reviewers complain about bugs and glitches that cause crashes or freezes. 3. A minority of users dislike the app's in-app purchases for premium features and advertisements. Please note that these summaries are based on a selection of reviews and may not represent the full range of opinions on the app.