Based on the user reviews of Simple Simoo, here are three pros and three cons: **Pros:** 1. Easy to use: Users praised the app's user-friendly interface, with many finding it simple to navigate. 2. Effective tracking: Reviewers reported successfully tracking their SIM cards and managing their phone numbers. 3. Reliably updates: Many users appreciated that the app keeps their SIM card information up-to-date and accurate. **Cons:** 1. Limited features: Some users felt that the app lacks advanced features or customization options. 2. Customer service issues: A few reviewers experienced poor customer service, citing unhelpful support or long response times. 3. Inconsistencies: A few users reported encountering bugs or experiencing inconsistent performance while using the app.