Jillian Wood discusses the integration of qualitative user feedback and quantitative A/B testing data in mobile app development, emphasizing that using both can lead to more engaging and successful apps. Mobile product managers often face challenges in balancing limited direct user feedback and abundant raw data, but combining these approaches can accelerate app improvements, prioritize product roadmaps, and enhance feedback quality. A/B testing helps to quickly address UI/UX issues, prioritize feature releases, and ensure successful new product launches by testing changes with specific user segments. It also optimizes feedback collection by experimenting with timing, content, and methods, making the app development process more predictable. The insights, based on Taplytics Enterprise Services Team's experiences, suggest that a collaborative effort between research, product, engineering, and marketing teams can leverage these strategies for better app optimization.