Based on the user reviews, here are the conclusions: **Pros:** 1. Effective tracker blocker: Users praised Cookie Blocker's ability to block trackers and improve their online security. 2. Easy to use: Simple setup and user-friendly interface made it easy for users to start blocking cookies immediately. 3. Customizable: Users liked the option to customize blocker settings and choose which trackers to block or allow. **Cons:** 1. Resource-intensive: Some users experienced slowdowns or crashes due to the app's high system resource usage. 2. Limited features: Reviewers mentioned that the app lacked advanced features compared to other privacy tools on the market. 3. Inconsistent performance: A few users reported inconsistent blocking results, with some trackers still managing to evade the app's protection.