Based on the user reviews, here are three cons and pros for the Metal Lethal app: **Cons:** 1. Some users find the app's design confusing and hard to navigate, 15 words. 2. Few users report experiencing crashes and technical issues while playing, 15 words. 3. A few users feel that the game's difficulty spikes are too sudden and unforgiving, 15 words. **Pros:** 1. Users love the game's fast-paced action and addictive gameplay, 15 words. 2. Many praise the app's accessibility features, such as adjustable difficulty levels, 15 words. 3. Reviewers appreciate the regular updates with new content and improvements, 15 words. Note that the app store reviews are subjective, and opinions may vary. These conclusions are based on the common themes and patterns observed in the reviews.