Apps like Block Unknown Callers

Here are some great alternatives to Block Unknown Callers by Life Software Lab :
Caller ID: Phone Call Blocker
Caller ID: Phone Call Blocker
★4.1
Calls Blocker
Calls Blocker
★4.3
Unknown Call & Contact Blocker
Unknown Call & Contact Blocker
★4.2
Unknown Call Blocker
Unknown Call Blocker
★4.1
iCall Screen - Phone Dialer
iCall Screen - Phone Dialer
★4.1
Call Blocker: Unwanted & Spam
Call Blocker: Unwanted & Spam
★3.4
Call Blocker & Caller ID
Call Blocker & Caller ID
★4.4
Spokeo - Identify Unknown Call
Spokeo - Identify Unknown Call
★4.1
Call Block for WP: Audio Video
Call Block for WP: Audio Video
★4.8
AntiSpam: Call Blocker
AntiSpam: Call Blocker
★4.4
Block-Spam
Block-Spam
★4.5
Phone Dialer
Phone Dialer
★4.4
180 - Caller ID & Block
180 - Caller ID & Block
★3.3
UpCall- Unknown Caller ID
UpCall- Unknown Caller ID
★3.8
Call Filter
Call Filter
★4.7
Calls Blacklist - Call Blocker
Calls Blacklist - Call Blocker
★4.1