Purpose: spam phone calls are annoying (understatement). It seems it would be somewhat trivial to have an app on your phone which behaves similar to AdBlock.
Most spam block calls are like a version of AdBlock where you have to first see all ads. I would like to have a spam block app which is similarly proactive to AdBlock.
- Maintain list of "spam numbers" which is subscribed to a central database (a list unique to me is basically meaningless)
- I want it to be more proactive than "mark this call as spam" which many apps do, I normally don't get double calls from the same spammers
- When receiving an incoming call from a number on the spam list, does either "spam call incoming" or "blocked spam call" notifications or somehow clearly shows it's a spam number.
Really, that's essentially it. Other features are bonus.