Based on the user reviews of the "Run Stack" app, here are three pros and three cons, each in 15 words or less: **Pros:** 1. Accurate tracking and recording of running routes and pace helps improve performance. 2. Intuitive interface and simple navigation make it easy to use on the go. 3. Social features allow users to join challenges and compete with friends for motivation. **Cons:** 1. Some users find the app's battery drain and constant notifications frustrating. 2. Limited map accuracy and occasional glitches with GPS tracking can be frustrating. 3. Lack of customization options for tracking and reporting data feels restrictive.