After the donation from Epic Games, Alt Store removed its fee, but I am not sure how robust their app inclusion policy is. Currently there are very few apps.
This is also applicable for Google. I was setting up a Pixel and in the process it will ask which browser you want to use/set to default and which search engine you want to use. So even the search bar in the launcher will be set to the one you choose and not bound to Google anymore.
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