Based on the reviews of the "Shield Master" app on the App Store, here are three cons and pros in English, each limited to 15 words: **Cons:** 1. In-app purchases and subscriptions can be frustrating for some users. 2. Some users experience bugs and glitches that affect app performance. 3. Limited customer support options can lead to disappointment and frustration. **Pros:** 1. Shield Master offers a simple and user-friendly interface for all users. 2. The app provides effective protection against identity theft and scams. 3. Regular updates with new features and improvements keep users engaged.