Based on the users' reviews, here are three pros and three cons for the MathCards X app: Pros: 1. Effective learning tool: Users praised the app's ability to help them retain math concepts and formulas. 2. Engaging gameplay: Reviewers enjoyed the app's gamification approach, making learning math fun and competitive. 3. Customizable content: Users appreciated the ability to create their own decks and focus on specific math topics. Cons: 1. Limited practice options: Some users felt the app's practice exercises were too restrictive and didn't provide enough variety. 2. Lack of clarity: A few reviewers criticized the app's unclear instructions and unclear explanations of math concepts. 3. Inconsistent difficulty level: Some users reported that the app's difficulty level was inconsistent, making it frustrating to progress. Note: The word limit for each item is 15 words.