Basically a transaction receipt is all the app gets. It’s up to the app developer to associate this purchase transaction with any app related user identity info

Basically a transaction receipt is all the app gets. It’s up to the app developer to associate this purchase transaction with any app related user identity information. RevenueCat had a decent explanation for this considering this is their main product: https://www.revenuecat.com/blog/managing-cross-platform-subscriptions https://www.revenuecat.com/blog/managing-cross-platform-subs... Disclaimer: not at all associated with revenuecat, just in the process of evaluating their product myself.