If you have a Mac, then this tool exists in Photos on your Mac, it's called Retouch.
I'm not at my Mac right now so can't test it, but from the feature description online this seems to me a tool that allows you to manually remove objects by copying stuff from elsewhere?
If so that's not the same kind of feature at all. With Magic Eraser you just circle the thing you want gone and the tool figures out how to best fill the area.
Edit: After checking it out on YouTube it's actually closer to what Google does than I thought. No idea how well it performs in practice and the examples I've seen seemed underwhelming, but good to know it exists. Would still be great if Apple incorporated an improved version in iOS.
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