According to Zerodium [1] it would be up to 2 million USD in this case.

[1] http://zerodium.com/program.html

Interesting that android FCPs are worth more than iOS counterparts. Does that mean android is more secure?

Perhaps more users?

0-click for iphone up to around 10 million

other 0-days for iphone up to around 2 million

Probably seven figures

8 figures. easily.

Apple itself pays $1-million for bug bounties of this type.

https://security.apple.com/bounty/categories/

And worth every penny of that to avoid the PR that ensues with one of these in the wild.