tacticalgoose

Not sure if it works on IPhone but on android I've had very good luck / experience with "Truecaller: Caller ID, SMS spam blocking & Dialer". It doesn't catch them all, but it did decrease the amount of spam call / text I get within a month from 23 to 1. So that is nice.

I could imagine this article caters to the less experienced on the linux gaming subject. Haven't used Arch linux my self, but I've heard that it requires tinkering to get it to run like a shelf OS. Which is something that can be daunting for someone with no experience in linux