I got tired of SMS spam from political campaigns. I found an app called Bouncer for iOS which lets you create your own filtering rules to move SMS into a junk folder, but that seemed like hard work.
So I tried various paid services that claimed they could stop SMS spam, some of which claimed they used AI. None of them worked as well as Bouncer plus a few rules I wrote myself. In addition, Bouncer runs entirely on the device, unlike several of the commercial systems, so your messages aren't sent to some random server somewhere.
Happily Bouncer can import and export rules as JSON, so here are mine. It has been several weeks since spam texts made it to my message inbox; the rules caught four on Thursday.
As an aside, SMS spam is supposed to be illegal without consent, and I've been careful never to give my number to any political campaign. But political campaigns get around the law by having banks of humans copy and paste the spam and s