4 Smartphone Apps That Aggressively Block Spam Calls

Inundated with junk calls? Stop pesky robo-dialers with these anti-spam apps

I miss my phone. Oh, I still have it—I just can’t remember the last time I picked up a call. When I do, it’s always some robot under the illusion that it works for the IRS, a chatty guy who wants to forgive my student loans, or a woman offering “free” cruises.

Odds are you’re feeling inundated with telephonic spam, too: Last year, the FTC got more than 7 million complaints about rip-off calls. Adding your number to the national Do Not Call Registry is—as they say in the South—as useless as a screen door on a submarine. Blocking...