Based on the user reviews, here are three cons and pros of the Merge Chicken app: **Pros:** 1. "Easy to learn, engaging gameplay, and regular updates with new levels and features." 2. "Addictive puzzle game with increasing difficulty that keeps me coming back." 3. "Good time management and attention to detail required, making it a great brain teaser." **Cons:** 1. "Some levels too hard, frustrating at times, and frequent ads can be annoying." 2. "Not enough rewards or incentives for completing levels, losing interest quickly." 3. "Lack of customization options and limited ability to skip tricky levels is frustrating." Please note that these pros and cons are based on the general sentiment of user reviews and may not reflect individual opinions or experiences.