When comparing Mr. Number-Block calls & spam vs Call Control - Call Blocker, the Slant community recommends Mr. Number-Block calls & spam for most people. In the question“What are the best Android apps for blocking spam callers?” Mr. Number-Block calls & spam is ranked 1st while Call Control - Call Blocker is ranked 2nd. The most important reason people chose Mr. Number-Block calls & spam is:
You can block individual numbers, or whole area codes.
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Pros
Pro Block calls and SMS from locations
You can block individual numbers, or whole area codes.
Pro Spam score
The spam score of numbers is determined by how often other people report numbers as spam. This helps show which numbers are very likely spam, or just probably spam.
Pro Crowdsourced
There are 12 million users reporting spam numbers, and together they have formed a large database of spam numbers
Pro Blocks common scams
The IRS scam, Microsoft Tech scam, Grandparent scam and many others are blocked by Call Control
Pro Free Reverse Phone Lookup
Pro Blacklist anyone
You can set who to blacklist, and you can blacklist any number
Cons
Con Ad blocks the service
Con Reverse Loopup costs money
It's cheap though - 99 cents will allow you to use Reverse Lookup 20 times.
Con Tampers with signal to block calls
Numerous users are reporting that the app turns off cell signal to drop calls, leaving the device disconnected from the network for a few minutes after each dropped call.