Based on the user reviews of the 3M Peak Assessment Tool app, here are three pros and three cons: **Pros:** 1. Accurate assessments: Users praise the app's ability to provide accurate and reliable assessments of their peak flow rates. 2. Easy to use: Many reviewers find the app simple and easy to navigate, with a user-friendly interface. 3. Helpful for tracking progress: Users appreciate the app's ability to track their progress over time, helping them identify patterns and trends. **Cons:** 1. Limited features: Some users feel that the app lacks additional features, such as customizable settings or advanced analytics. 2. Technical issues: A few reviewers have experienced technical issues, such as app crashes or connectivity problems. 3. Limited data storage: Some users wish the app had more storage capacity for storing and tracking data over a longer period.