Based on the user reviews, here are three cons and pros for the "Wow Merge" app: **Pros:** 1. Users praise the app's engaging gameplay, finding it addictive and fun to merge and collect items. 2. Many users appreciate the simplicity and ease of use, making it a great time-killer. 3. Some users enjoy the variety of levels and challenges, keeping the game fresh and exciting. **Cons:** 1. Some users find the app's ads overly intrusive, interrupting gameplay and being annoying. 2. A few users experience lag or freezing issues, which can hinder the gaming experience. 3. Some users feel that the app's in-app purchases are misleading or overly aggressive, leading to frustration. Please note that these points are based on a general analysis of the user reviews and may not reflect the opinions of all users.