Based on the user reviews, here are three pros and cons of the app: **Pros:** 1. Convenient tool for calculations and conversions, users praise ease of use. 2. Accurate results and reliable formulae make it a trusted app. 3. Simple and intuitive interface makes it accessible to all users. **Cons:** 1. Limited features and equations may not satisfy advanced users' needs. 2. Some users find the ads and promotions intrusive and distracting. 3. Lack of export options for calculations and conversions is a drawback.