An LLM-Based Approach to Review Summarization on the App Store

Ratings and reviews are an invaluable resource for users exploring an app on the App Store, providing insights into how others have experienced the app. With review summaries now available in iOS 18.4, users can quickly get a high-level overview of what other users think about an app, while still having the option to dive into individual reviews for more detail. This feature is powered by a novel, multi-step LLM-based system that periodically summarizes user reviews.
Our goal in producing review summaries is to ensure they are inclusive, balanced, and accurately reflect the user’s voice. To…