User experience (UX) design is a crucial aspect of any app development process, as it determines how users will interact with the product and whether or not they will find it useful and enjoyable. Conducting user interviews is one of the best ways to gather information about user needs, preferences, and behaviors, and to validate design ideas. Here are the top five questions to ask during a UX design interview with potential app users:

1. Can you describe your current process for [task related to the app]? This question helps you understand the user's current behavior and the pain points they experience in their existing process. It gives you a sense of their needs and the areas where your app could potentially provide value.
2. What are the most important things you look for in a [type of app related to your product]? This question allows you to understand the user's priorities and the features they value most in similar apps. This information can be used to guide the development of your app and prioritize features.
3. Can you walk me through a recent experience you had with [type of app related to your product]? This question provides valuable insight into the user's real-life experiences with similar products, and can help identify areas for improvement in your app. It also gives you an understanding of the user's expectations and what they consider a positive or negative experience.
4. How do you think [problem addressed by your app] could be solved more effectively? This question allows you to gather feedback on potential solutions to the problem your app is addressing. It also helps you understand the user's perspective and the types of solutions they find most valuable.
5. What do you think would be the biggest challenge for you in using a [type of app related to your product]? This question helps you anticipate any potential roadblocks users may face when using your app, and gives you an opportunity to address these challenges in your design. It also helps you identify areas where you can provide additional support or resources to ensure a positive user experience.

By asking these questions during a UX design interview, you can gather valuable insights into user needs, behaviors, and preferences. This information can be used to inform the design of your app and ensure that it meets the needs and expectations of your target users.

In conclusion, user experience design is a critical component of app development and conducting user interviews is an effective way to gather information about user needs and preferences. The five questions outlined above provide a good starting point for your UX design interviews, and can help you gather the information you need to create an app that provides a positive and useful experience for your users.

‍