Based on the users' reviews of the Boostr app, here are three cons and pros: **Cons:** 1. "Disappointing experience. Ads are invasive, taking over the entire screen." (7/10) 2. "Crashes frequently, causing frustration and lost progress." (4/10) 3. "Limited content options, leading to boredom and disinterest." (5/10) **Pros:** 1. "Easy to use, with an intuitive interface and simple navigation." (8/10) 2. "Helpful support team, responding quickly to queries and issues." (9/10) 3. "Good learning experience, with informative and engaging content." (8/10) Let me know if you'd like me to make any changes!