To design a tool to collect customer or user feedback on an app, there are several key steps to consider: 1. Determine the goals of the feedback collection: Before designing the tool, it's important to understand what the goals are for collecting feedback. Are you looking to improve the app's usability? Address specific user pain points? Identify new features or opportunities? This information will help to guide the design of the feedback tool. 2. Choose the right feedback channels: There are a variety of channels through which users can provide feedback, including in-app feedback forms, email surveys, social media, and user testing sessions. Consider which channels will be most effective for the goals of the feedback collection, as well as for the user base of the app. 3. Design the feedback form or survey: The design of the feedback form or survey should be user-friendly and easy to complete. It's important to ask questions that will elicit meaningful feedback and to avoid overwhelming users with too many questions. 4. Incorporate feedback into product development: Once feedback has been collected, it's important to analyze it and incorporate it into the product development process. This may involve prioritizing certain features or addressing user pain points. Overall, designing a tool to collect customer or user feedback on an app requires a thoughtful and strategic approach. By understanding the goals of the feedback collection, choosing the right channels, designing an effective feedback form or survey, and incorporating feedback into product development, product managers can gather valuable insights and improve the user experience of their app.