Line2

Line2 is a VoIP phone service that lets you call & text from a separate phone number via WiFi or 3G/4G/LTE. At a small premium, Text & call ANYONE in the US/Canada, forwarding & more. Pick any phone number.

Commercial Mac OS X Windows Android iPhone Android Tablet iPad Kindle Fire Apple Watch

iBlackList

iBlacklist is the best firewall for calls, SMS and MMS available for the iPhone. It ables you to select from who you want to receive calls and hide messages.

Commercial iPhone

Semisilent

Normally, you have two choices for cellphone calls: be available to called by anybody but potentially interrupted, or be able to focus and be unreachable. Enter...

Free Android

MobileGate

How to get MobileGate Load Cydia Add xSellize source ( if you dont have it allready ) : xsellize.com/cydia/ Search for MobileGate. Install

Free iPhone