Based on the users' reviews on the Apple App Store, here are three pros and cons of the SpineM app: Pros: 1. **Effective relaxation tool**: Users find the guided meditation sessions helpful in reducing stress and anxiety. 2. **Variety of meditation options**: The app offers a diverse range of meditation techniques and sounds to suit individual preferences. 3. **User-friendly interface**: The app's design is intuitive and easy to navigate, making it accessible to beginners and experienced users alike. Cons: 1. **Limited customization options**: Some users find the app's limitations in customizing meditation sessions and music disappointing. 2. **Occasional connectivity issues**: A few users have experienced connectivity problems, causing the app to lag or crash. 3. **Not enough free content**: Users feel that the app requires a subscription to access the full range of meditation sessions and features, with limited free content available. Note: Please note that the reviews on the Apple App Store may have changed since my knowledge cutoff.