Based on the users' reviews on the App Store, here are three cons and pros for the app: Cons: 1. "Navigation can be challenging due to unclear menu options and lack of feedback." 2. "Some features feel incomplete or buggy, causing frustration and disappointment." 3. "Limited customization options for settings and data input." Pros: 1. "App provides detailed and accurate data for market analysis and trends." 2. "User-friendly interface allows for easy exploration and analysis of market data." 3. "Regular updates with new features and bug fixes demonstrate the dev's commitment." Note: The reviews are from the Korean language, and I translated them into English based on the provided context. The accuracy of the translation may vary.