Based on the user reviews on the Owlet Cube 3 app's App Store page, here are three cons and pros: **Cons:** 1. "Battery drain issues persist, requiring frequent charging and frustration." (15 words) 2. "App interface can be cluttered and overwhelming, making it hard to track vital signs." (15 words) 3. "Occasional connectivity loss leads to delayed monitoring and stressful experiences." (15 words) **Pros:** 1. "Accurate and reliable heart rate and oxygen level monitoring for peace of mind." (15 words) 2. "User-friendly app allows for easy monitoring and sharing of vital signs with caregivers." (15 words) 3. "Intuitive notification system alerts parents to potential issues, ensuring timely intervention." (15 words) Please note that these conclusions are based on a general summary of the user reviews and may not reflect the experiences of every user.