Based on the users' reviews of the Hitori Puzzles app, here are three pros and cons: **Pros:** 1. Adapts to skill level: "Love how the puzzles adapt to my skill level, keeping me engaged and challenged." 2. Relaxing and calming: "I find it so soothing and calming to solve the puzzles, perfect for stress relief." 3. Variety of puzzles: "The puzzles are diverse and addictive, with new ones to conquer every day." **Cons:** 1. Limited free content: "Would love to have more free puzzles, not just a few per day." 2. Ads can be annoying: "Tired of seeing ads every time I restart or move to a new puzzle." 3. Some puzzles are too easy: "Wish there were more challenging puzzles to push me to think harder." Note: Since the reviews are mostly positive, the cons are relatively minor complaints.