Based on the users' reviews on the App Store, here are three cons and pros for the "Brain Training" app: **Cons:** 1. Some users found the app too easy or repetitive, lacking challenge and engagement. 2. A few reviewers experienced glitches and bugs, ruining their brain-training experience. 3. A couple of users felt the app didn't provide sufficient feedback or tracking of progress. **Pros:** 1. Many users praised the app for its engaging and fun brain-teasing exercises, promoting cognitive improvement. 2. Reviewers appreciated the app's gentle learning curve, making it accessible to users of all skill levels. 3. Some users reported improved memory, attention, and cognitive function after using the app regularly. Please note that these summaries are based on a limited number of reviews and may not represent the entire user base.