Based on the users' reviews of the app, here are the three cons and pros: Cons: * Limited functionality: "This app is useful, but it's very limited in what it can do." (7/10) * Poor navigation: "The design is confusing, and it's hard to find what you're looking for." (6/10) * Lack of customization: "There's no option to customize the app to my needs, which is frustrating." (6/10) Pros: * Intuitive design: "The app is easy to use, even for someone who isn't tech-savvy." (8/10) * Helpful information: "The app provides very helpful information and tips about the Russian language." (8/10) * Real-world applications: "The app has many real-world applications, such as translation and grammar exercises." (8/10) Note: The ratings (7/10, 6/10, 8/10, etc.) are arbitrary and based on my interpretation of the users' reviews.