Based on the reviews from the Apple App Store, here are three cons and three pros for the "Hammer Merge" app: **Cons:** 1. Some users found the game frustratingly slow-paced, leading to boredom and frustration. 2. Users struggled with poor design choices, such as confusing layout and misleading ads. 3. Several users experienced technical issues, like frequent crashes and glitches, ruining gameplay. **Pros:** 1. Reviewers praised the game's innovative merge mechanic, finding it challenging yet addictive. 2. Many users appreciated the game's relaxing atmosphere and calming music. 3. Players enjoyed the sense of progression and satisfaction from upgrading their tools and workshop. Please note that these are general summaries based on the reviews, and actual experiences may vary.