Apps like KnownCalls - Whitelist calls

Here are some great alternatives to KnownCalls - Whitelist calls by Felenasoft Ltd. :
AntiSpam: Call Blocker
AntiSpam: Call Blocker
★4.4
Call Block: Filter and Blocker
Call Block: Filter and Blocker
★4.4
Spam Call Blocker
Spam Call Blocker
★3.5
Call Blocker - Phone - ID
Call Blocker - Phone - ID
★4.4
Call Blocker & Caller ID
Call Blocker & Caller ID
★4.4
Stop Spam Call Blocker
Stop Spam Call Blocker
★4.4
tellows - Caller ID & Block
tellows - Caller ID & Block
★3.8
Call Blocker: Unwanted & Spam
Call Blocker: Unwanted & Spam
★3.5
Call Blocker - Block Numbers
Call Blocker - Block Numbers
★4.0
Spam Call Blocker - telGuarder
Spam Call Blocker - telGuarder
★4.1
Caller ID, Phone Number Lookup
Caller ID, Phone Number Lookup
★4.2
Calls: Call Blocker & Phone ID
Calls: Call Blocker & Phone ID
★4.2
CallApp: Caller ID & Block
CallApp: Caller ID & Block
★4.3
Call Blocker
Call Blocker
★3.6
Simple Call Blocker
Simple Call Blocker
★3.7
Call Blocker:Caller ID & Block
Call Blocker:Caller ID & Block
★4.5