What are some good call-block apps? The ones I've been using aren't great.?

I'm looking for a good call/text-blocking app for my phone. Samsung Galaxy Core Prime. It's a few years old and still works fine for the most part, but the block apps that I've been using don't totally stop calls from coming in, sometimes they get a few rings off before the apps kick in. If anyone... show more I'm looking for a good call/text-blocking app for my phone. Samsung Galaxy Core Prime. It's a few years old and still works fine for the most part, but the block apps that I've been using don't totally stop calls from coming in, sometimes they get a few rings off before the apps kick in. If anyone knows of apps that will fully block calls, please let me know. PS I've been using free apps so if I have to pay for a good one so be it.
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