There is one workaround that sort of lets you block iPhone calls for free. This won’t actually block the calls to your iPhone, but it will reduce the annoyance by up to 50 percent, depending on how often you have your phone on vibrate. Here’s how it works:

Step One

Create a new contact in your iPhone that’s dedicated to nuisance callers—telemarketers, ex-girlfriends, addled drug addicts, etc. You can assign multiple numbers to the same contact. Call it something like “SPAM” or “WRONG NUMBER.”  The best way to do this is to pull it up from your recent calls list and hit Add to Existing Contact.

Step Two

Download this silent iPhone ringtone and sync it to your phone.

Step Three

Assign the silent ringtone to your SPAM contact. Now, when that caller calls, your phone will still light up, but you won’t hear anything. Now, this isn’t a true blocked call, which is why I said it’ll only reduce the annoyance factor by 50 percent. The phone will still vibrate when the ringer is off, and it’ll still interrupt your apps and/or music when they call. But it’s better than nothing, and it’s the only free method you can use without jailbreaking your iPhone. I know this isn’t a completely satisfying solution, but until someone makes an app for blocking calls, this is what we’re stuck with. But assigning the wrong number to a specific contact will at least let you know which calls to ignore. In my case, there’s this dude who keeps calling me at least once every two days even though I keep telling him it’s the wrong number. I’ve figured out his name (it’s Jerome) and now I greet him by name each time and tell him to stop calling for the love of God. Or I just pick up the phone and start singing at the top of my lungs. It’s kind of like a reverse crank call. Anyway, if you can figure out a way to disable vibrate for specific iPhone contacts, you win the prize. With that, this solution will be 45 percent better. Note: If you want to prevent unwanted calls from stalkers/exes/telemarketers down the road, I recommend getting a Google Voice account, since you can easily block individual callers with Google Voice. Comment

Δ