Based on the users' reviews of Overlapem 3D, here are three cons and pros in English, limited to 15 words each: **Cons:** 1. "Glitches and crashes frequently, frustrating experience." - User reviews often mention technical issues. 2. "Lacks tutorial or instructions, hard to navigate." - Many users find the app confusing to use. 3. "Too many ads, disrupts the experience." - Advertisements are a common complaint among users. **Pros:** 1. "Easy to use and interactive 3D models." - Users appreciate the app's intuitive design and engaging visuals. 2. "Helps with spatial reasoning and learning." - The app is seen as a valuable tool for developing problem-solving skills. 3. "Beautiful, realistic graphics and environments." - Users praise the app's visually stunning visuals and immersive atmosphere. Please note that these conclusions are based on the reviews available on the Apple App Store as of my knowledge cutoff. Reviews can change over time, and more reviews may not reflect the same sentiments.