Based on the user reviews on the Apple App Store, here are three cons and pros in English, 15 words limited for each item: **Cons:** 1. "Too many ads and in-app purchases, frustrating experience overall." (11 words) 2. "Gamification is weak, not engaging enough to keep me playing." (13 words) 3. "Limited levels and lack of variety make the game repetitive." (14 words) **Pros:** 1. "Love the concept of combining math skills with snake gameplay." (13 words) 2. "Challenges are well-designed and suitable for both beginners and experts." (14 words) 3. "The app is easy to navigate and has a clean, visually appealing design." (13 words) Please note that these conclusions are based on a snapshot of the user reviews at a particular point in time and may not reflect the entire range of opinions on the app.