Based on the user reviews, here are three cons and three pros of the Dexcom G6 Simulator app: **Cons:** 1. "Fake and useless" - Many users found the simulation inaccurate and unrealistic. 2. "Limited features" - Some users were disappointed with the limited functionality of the app. 3. "Too complicated" - A few users found the app's interface and operations too confusing. **Pros:** 1. "Realistic simulation" - Users appreciated the app's realistic simulation of glucose levels and trends. 2. "Helpful for education" - Many users found the app useful for teaching others about diabetes management. 3. "Constant improvements" - Users praised the developer's efforts to regularly update and improve the app. Please note that the reviews are subjective and may vary depending on individual experiences with the app.