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TipsMay 6, 2026

How to Block Unwanted Calls on Your iPhone: A Comprehensive Guide

By The Robokiller Team

How to Block Unwanted Calls on Your iPhone: A Comprehensive Guide

Unwanted calls, including robocalls and telemarketing, can disrupt your daily life. Fortunately, there are several effective methods to block these calls on your iPhone. This guide explores built-in features, carrier services, and top-rated third-party apps to help you regain control over your calls.

What Built-in Features Does iPhone Offer to Block Unwanted Calls?

iOS provides several native features to help manage and block unwanted calls:

  • Silence Unknown Callers: This feature silences calls from numbers not in your contacts, recent calls, or Siri Suggestions. To activate it:
  1. Go to Settings > Phone.
  2. Toggle on Silence Unknown Callers.
  • Call Blocking & Identification: This allows third-party apps to block calls and provide caller ID. To enable it:
  1. Install a call-blocking app from the App Store.
  2. Go to Settings > Phone > Call Blocking & Identification.
  3. Enable the app under Allow These Apps To Block Calls And Provide Caller ID.

How Can Carrier Services Help Block Unwanted Calls?

Many U.S. carriers offer built-in spam and scam call protection:

  • AT&T ActiveArmor®: Provides spam call blocking and fraud detection.
  • Verizon Call Filter: Identifies and blocks spam calls.
  • T-Mobile Scam Shield: Offers scam call blocking and caller ID.

To activate these services, download the respective app from the App Store and follow the setup instructions. (macobserver.com)

What Are the Top Third-Party Apps for Blocking Unwanted Calls?

Several third-party apps offer advanced features to block unwanted calls:

  • Robokiller: Blocks 99% of robocalls and texts, using answer bots to waste scammers' time. (appshunter.io)
  • Truecaller: Identifies unknown numbers and flags potential spam calls. (avnexo.com)
  • Hiya: Detects spoofed calls and updates spam lists automatically. (avnexo.com)

How Do These Apps Compare to Each Other?

When comparing these apps, consider the following:

  • Robokiller: Offers automatic spam blocking, customizable call filters, and fun anti-spam audio replies. (appshunter.io)
  • Truecaller: Provides real-time caller ID and spam protection, integrating with your iPhone's default Phone app. (avnexo.com)
  • Hiya: Focuses on detecting spoofed calls and automatically updating spam lists, with both free and premium versions available. (avnexo.com)

How Do I Set Up a Third-Party App to Block Unwanted Calls?

To set up a third-party app:

  1. Download the app from the App Store.
  2. Open the app and follow the in-app setup instructions.
  3. Go to Settings > Phone > Call Blocking & Identification.
  4. Enable the app under Allow These Apps To Block Calls And Provide Caller ID.

Are There Any Additional Tips to Reduce Unwanted Calls?

  • Register on the National Do Not Call Registry: This can reduce telemarketing calls. (macobserver.com)
  • Manually Block Numbers: If you receive repeated calls from the same number, you can block it directly from your iPhone.

By utilizing these built-in features, carrier services, and third-party apps, you can significantly reduce unwanted calls on your iPhone.

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