After analyzing the users' reviews on the Apple App Store, I've identified the following cons and pros of the "Learn Spanish Vocabulary Pop Quiz" app: **Pros:** 1. Engaging and interactive: Users love the games and quizzes that make learning Spanish fun and engaging. 2. Effective review mechanism: The app's review feature helps users identify and practice words they struggle with, improving retention. 3. Realistic vocabulary building: The app's focus on common vocabulary and phrases helps users build practical language skills. **Cons:** 1. Limited content: Some users find the vocabulary selection too limited, wishing for more words and phrases to learn. 2. Inconsistent formatting: A few users mention issues with formatting, such as poor typography and awkward navigation. 3. No native speaker audio: Some users miss having native speaker audio playback, making it harder to learn the proper pronunciation. The overall sentiment among users is positive, with many praising the app's interactive features and effectiveness in building vocabulary. However, some users do express concerns about the limited content and formatting issues.