Google Maps and Apple Maps refuse to offer a way for users to port their data from one platform to the other. So I did it myself.

Google is apparently working on better integrating Android with iOS and macOS. Quick Share is to be used for this.

Keep both iPhones near each other and connected to power. Wait for the transfer to complete — this may take time depending on data size. Transfers everything: photos, apps, settings, messages, etc.

How to share your Wi-Fi password from iPhone to another Apple device Apple has built-in functionality to simplify Wi-Fi sharing between its own devices that was introduced in iOS 11.