Callblock is the first app that lets you stop telemarketing phone calls in iOS (https://techcrunch.com/2016/09/07/callblocks-new-ios-app-will-block-calls-from-over-2-million-telemarketers/), with the worlds biggest directory of telemarketers now over 3,000,000 classified entries from over 100 countries!
The app is able to identify 86.7 percent of telemarketing calls correctly with only 1.7 percent false positives on average.
You love your iPhone except sometimes the phone part and, in particular, the telemarketers often on the other end of the line. Telemarketers make 148 million annoying, time-wasting calls per day according to consumer group Private Citizen and do-not-call lists (where available) do not work (and werent even meant to for many types of telemarketers) according to governments themselves. Callblock helps prevent these calls.
The app blocks unwanted telephone calls not iMessage, SMS, or MMS messages. To allow Callblock to block calls:
1. press the Home button on your iPhone,
2. tap the Settings app,
3. tap Phone > (under Calls) Call Blocking & Identification, then
4. toggle the Callblock switch on.
To unblock calls, navigate to the Callblock app. To add or remove a missing or misclassified caller, tap the Add caller button.
Enabling Callblock or making changes in the app may take up to a minute to take effect.
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Callblock was created and is maintained by Rocketship, an award-winning app studio whose mission is to design and develop the finest mobile and web experiences.