Fed up with cold calls on your mobile then give this app a try.
TPS Protect is available for Android and iOS and has been developed by the creators of the Telephone Preference Service, which lets users opt out of cold-calling databases. The app makes it easy to identify incoming calls from scammers, marketers and charity fundraisers. Incoming calls are give a trust score, a number from 1 -5 indicating how trustworthy the caller is.
Read more about it here https://tpsprotect.org.uk/ or download TPS Protect from your app store.