Based on the user reviews, here are three cons and three pros, with 15 words or less for each: **Cons:** 1. **Frustrating experience**: Some users found it difficult to navigate and find the correct differences. 2. **Limited level progression**: Users felt that the levels were too similar and didn't provide enough variety or challenge. 3. **Glitches and freezing**: A few users reported technical issues, such as freezing or crashing, during gameplay. **Pros:** 1. **Engaging and addictive**: Many users found the app to be entertaining and difficult to put down. 2. **Variety of images**: Users appreciated the diverse range of images used in the game, making it more interesting. 3. **Great for developing attention to detail**: Players enjoyed the challenge of identifying small differences and improving their observation skills. Please note that these conclusions are based on a snapshot of user reviews at the time of my knowledge cutoff, and opinions may have changed since then.