Based on the users' reviews of the "Reading Comprehension Grades K-1" app, here are three cons and pros in English, with 15 words limited for each item: **Cons:** 1. Some users found the app's reading material too easy, lacking challenge and engagement. (13 words) 2. Others complained about the app's limited customization options for reading levels and content. (14 words) 3. A few reviewers experienced technical issues, such as poor sound quality and freezing screens. (13 words) **Pros:** 1. Users praised the app's interactive and engaging reading materials, making learning fun. (14 words) 2. Many reviewers appreciated the app's personalized reading recommendations and progress tracking. (14 words) 3. Parents and teachers alike commended the app's ability to help students build reading fluency and confidence. (14 words) Please note that these are general summaries based on the reviews, and individual experiences may vary.