Based on the users' reviews, here are three cons and pros of the "Ball Crash" app, each in 15 words or less: **Cons:** 1. Some users find the ads extremely intrusive and frustrating to watch. 2. The app's graphics and sound effects are not as impressive as expected. 3. The game's difficulty spikes suddenly, making it hard to progress. **Pros:** 1. Most players praise the app's simple yet engaging gameplay mechanics. 2. The app offers a decent variety of levels and game modes to keep users entertained. 3. The in-app purchases are reasonable, and the rewards are fair and achievable. Please note that these are general conclusions based on a snapshot of user reviews at a particular time, and individual experiences may vary.