Grumpy Old Geeks Products Wide Protect Product Wide Protect 2 mentions in 1 episode An iOS app a listener recommends for blocking robocalls by number prefix. Mentions 354: Viva Le Libra! Jun 19, 2019 1:12:27 I'm a big fan of the app Wide Protect to stop robocalls. 1:13:00 It's a $2.99 app for iOS.