Based on the user reviews of the "Heli Attack" app, here are three cons and three pros in 15 words or less per item: **Cons:** 1. "Too many ads ruin the gaming experience with constant interruptions." 2. "Lack of challenge and repetition in later levels becomes boring." 3. "Graphics and sound effects are mediocre and underwhelming." **Pros:** 1. "Addictive gameplay with increasing difficulty keeps players engaged." 2. "Responsive controls and smooth animation make for a seamless experience." 3. "Variety of levels and enemies keeps the game fresh and exciting." Note: The user reviews on the App Store are subject to change over time, and this analysis is based on a snapshot of the reviews at a particular point in time.