The best App to block those unwanted calls, even from a private number.
di you ever wanna to Block a Call, Not you can Block the way you want. Block calls from all numbers, Privates, unknown, you can even block by the first three digit of the number, you can block from contact, from call logs, you can add numbers to a whitelist to make sure those numbers never get blocked. you can block all calls, or not block calls at all, it is simply the best call blocker on the Play Store.
