Based on the users' reviews, here are three cons and three pros of the "English Exercise" app: **Cons:** 1. Some users find the app's grammar exercises too simplistic and not challenging enough. 2. A few reviewers complain about bugs and glitches that cause the app to crash or freeze. 3. A few users experience difficulty navigating the app's menu and finding specific exercises. **Pros:** 1. Most users praise the app's ability to improve their English vocabulary and grammar skills. 2. Several reviewers appreciate the app's variety of exercise types, including reading comprehension and listening exercises. 3. Many users find the app's interactive features, such as timed exercises and score tracking, engaging and motivating. Note: The reviews on the app store are subject to change over time, and this feedback is based on a snapshot of reviews at the time of my knowledge cutoff.