I use Hiya, with "Scam and fraud calls" set to "Block (send to voicemail)" in Call Settings. It's very effective in my experience: it's rare that a scammer make

I use Hiya, with "Scam and fraud calls" set to "Block (send to voicemail)" in Call Settings. It's very effective in my experience: it's rare that a scammer makes it through, and I haven't noticed any false positives.