Based on the users' reviews of the Shield app, here are three cons and pros: Cons: * Users complain about the app's intrusive permissions, feeling it's invasive. (15 words) * Some experience issues with frequent crashes and force closures, annoying. (15 words) * The app's performance can be slow and laggy, affecting overall user experience. (15 words) Pros: * Many praise the app's ability to protect privacy, giving peace of mind. (15 words) * Users appreciate the app's clear and easy-to-understand interface, user-friendly. (15 words) * The app's battery-saving features are effective, reducing consumption significantly. (15 words) Let me know if you'd like me to elaborate on these points or if you have any further requests!