Apple introduces peer group benchmarks analytics

Developers now could compare their app performance with similar apps on App Store. App Store Connect is updated to provide these metrics.

Similar apps are determined by category, business model, and number of downloads.

Metrics include conversion rate, retention rate on various durations, crash rate, and app proceedings.

Apple Developer:

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Apple adds more metrics to App Analytics on App Store Connect

Apple adds metrics on downloads, updates and others.

App Analytics in App Store Connect helps you see how people discover and engage with your app. Now you can view powerful new transaction metrics, including redownloads, total downloads, proceeds, pre-orders, and updates. Each metric can be displayed by territory, source type, device, and more, helping you understand what drives your app's growth and success.
In addition, as of September 20, 2021, all sales metrics include data from Apple School Manager and Apple Business Manager, and from devices running iOS 7, macOS 10.14, tvOS 8, and earlier.

Apple Developer