Based on the users' reviews of the "Learn Korean" app on the Google Play Store, here are three cons and three pros in 15 words or less: Cons: 1. Limited vocabulary: Users report that the app's vocabulary is limited, making it less useful for advanced learners. 2. Outdated content: Some users have noticed that the content is outdated, with older grammar and sentence structures. 3. Ad interruptions: Users complain about frequent ad interruptions during lesson videos, disrupting their learning experience. Pros: 1. User-friendly interface: Reviewers praise the app's easy-to-use interface, making it accessible for beginners. 2. Valuable lessons: Users appreciate the app's well-structured lessons, covering various aspects of Korean language and culture. 3. Offline access: The app allows users to download lessons for offline access, making it convenient for travel or areas with poor internet connectivity.