After analyzing the user reviews, here are three cons and three pros of the Call Blocker app: **Cons:** 1. **Inconsistent block results**: Users report inconsistent results, with some calls still getting through despite being blocked. 2. **Lack of customization options**: Reviewers feel that the app lacks customization options to tailor block lists and alert settings to their needs. 3. **Occasional battery drain**: Some users experience occasional battery drain issues, possibly due to the app's constant running in the background. **Pros:** 1. **Effective call blocking**: Many reviewers praise the app's effectiveness in blocking unwanted calls, citing significant reductions in spam and telemarketing calls. 2. **Easy setup and use**: Users find the app easy to set up and use, with a simple and intuitive interface. 3. **Real-time updates**: Reviewers appreciate the app's ability to provide real-time updates on blocked calls, allowing them to track and manage their block list.