Based on the users' reviews, here are three pros and three cons of the Cement Gun app: **Pros:** 1. "Love the concept of mixing cement and water with precision, saves time and effort." 2. "Accurate measurements and calculations make it easy to get the right mix every time." 3. "Intuitive interface and user-friendly design make it easy to use on-the-go." **Cons:** 1. "Sometimes struggles to calculate the correct amount of water, leading to messy mistakes." 2. "Lack of customization options for different types of cement and aggregate materials." 3. "Occasional glitches and crashes require frequent restarting of the app." Please note that these are based on the reviews available on the App Store at the time of my knowledge cutoff, and may not reflect the full range of opinions or experiences with the app.