Based on the users' reviews, here are three pros and cons of the app: Pros: 1. "Practical and efficient": Many users praise the app's simple and intuitive design, making it easy to use. 2. "Effective communication": Users appreciate the app's ability to facilitate real-time communication with friends and family during trips. 3. "Useful navigation": Reviewers commend the app's clear and accurate navigation, helping them navigate unfamiliar places. Cons: 1. "Limited international coverage": Some users report difficulty accessing the app's features or having limited coverage outside of China. 2. "Occasional connectivity issues": A few reviewers mention experiencing connectivity problems or lag, disrupting their experience. 3. "Lack of offline support": Some users express frustration that the app requires an internet connection, making it inaccessible during offline periods.