Call Blocker is one of the most effective apps to prevent unwanted calls or texts. Advantages. Lightweight and easy to useLow power and CPU consumption. Features. > PREVENT UNNEEDED CALLS and messages- Multiple Blocking modes at your choice> BLACKLIST - Blacklist: You can add unwanted numbers to blacklist. WHITELIST - Whitelist: Add important phone numbers to your whitelist so they can always reach you. DETECT AND STOP ONE-RING PHONE SCAMPrevent possible phone scams. Additional featuresThree options to deal with prevented calls Notifications after blockingFollow NQ Mobile to get instant updates & productivity news. Facebook: www.facebook.com/NQLabThank you for your support.