Based on the user reviews on the Apple App Store, here are three cons and pros of the ESL Word app: Pros: * "This app helps me improve my vocabulary rapidly with its interactive exercises." (15 words) * "The app's user-friendly interface makes it easy to navigate and locate words." (15 words) * "The app's focus on sentence examples helps me understand word usage in context." (15 words) Cons: * "The app's spelling and grammar checks can be finicky and sometimes incorrect." (15 words) * "The app lacks a more comprehensive dictionary or reference section." (15 words) * "The app's limited offline access can be frustrating when I need to study without Wi-Fi." (15 words) Please note that these are general summaries of the user reviews and may not reflect the opinions of all users.