The best alternatives to Callblock are Hello, Unlined, and Truecaller. If these 3 options don't work for you, we've listed a few more alternatives below.
What do you think of Callblock?
AssemblyAIโ Speech-to-Text API with superhuman accuracy
Unlined filters incoming calls to your phone number and ๐ค checks who the caller is ๐ checks your availability based on your calendar This way you will only get calls from people you allow and only when you are available ๐ More info @ https://unlined.app
Identify and block spam calls or SMS, search for unknown numbers, call and chat with friends. With a community-based spam list from over 250 million users, Truecaller is the only phone app youโll ever need.
Truecaller respects your right to privacy. Your phonebook is never made searchable or public.
AVOID ANNOYING SPAM CALLS & SMS
Credo360 is an open reputation system, where your score is based on ratings and reviews you get from people you deal with. It works like reputation systems on eBay or Airbnb - but Credo reputation belongs to you as a person. Use Credo when you need to deal with someone you donโt know. This will help you keep your privacy and avoid scams.