December 7, 2023
Are you tired of receiving unwanted spam calls on your iPhone? Check out our comprehensive guide to learn how to block these calls using a variety of methods, including adding numbers to your block list, using third-party apps, and more! Our article includes expert advice and troubleshooting tips to help you put an end to those pesky interruptions.

How to Block Spam Calls on iPhone: A Comprehensive Guide

As iPhone users, we all know the annoyance of receiving unwanted spam calls. Whether it’s a telemarketer, scammer, or other unwanted caller, these interruptions disrupt our daily routines and can be downright frustrating. Fortunately, there are several ways to block spam calls on your iPhone. This guide will cover the most effective methods to help you put an end to those pesky interruptions.

Method 1: Adding numbers to the block list

The easiest way to block unwanted callers on your iPhone is by adding their number to your block list. Here’s how:

  1. Open the Phone app and go to your ‘Recents’ tab
  2. Find the unwanted caller’s number
  3. Tap the blue ‘i’ icon next to their number
  4. Scroll down and select ‘Block This Caller’
  5. If the caller isn’t already in your Contacts, you’ll have the option to create a new contact for them before blocking them

When a number is on your block list, it won’t be able to call or text you. You can manage your block list by going to ‘Settings’ > ‘Phone’ > ‘Blocked Contacts’. From here, you can add or remove numbers from your block list.

Method 2: Using third-party apps

There are several third-party apps available to help block spam calls on your iPhone. Popular options include:

  • Nomorobo
  • RoboKiller
  • Truecaller

These apps use various techniques to identify and block spam calls, such as analyzing call patterns or using crowdsourced data from users. While these apps can be effective, they may also have downsides like using up battery or requiring a subscription fee. Be sure to read reviews and consider your needs before choosing an app to use.

Method 3: Enabling Silence Unknown Callers feature

iOS 13 introduced a new feature called Silence Unknown Callers that automatically sends calls from unknown numbers to voicemail. This can be a great option for blocking spam calls, but there are a few things to keep in mind:

  • This feature won’t block calls if the number is in your Contacts, recent calls, or Siri suggestions
  • You may miss important calls from friends, family, or business contacts if their number isn’t recognized
  • Some unwanted callers may still leave voicemails or use spoofed numbers to get around this feature

To turn on Silence Unknown Callers, go to ‘Settings’ > ‘Phone’ and enable the feature. You can also customize a message for callers who get sent to voicemail by going to ‘Phone’ > ‘Respond with Text’.

Listicle: Top 5 ways to block spam calls on an iPhone

Here are the top 5 ways to block spam calls on your iPhone, ranked in order of effectiveness and ease of use:

  1. Block individual numbers
  2. Use a third-party app like Nomorobo or RoboKiller
  3. Enable Silence Unknown Callers feature
  4. Use your carrier’s spam call blocking service
  5. Set your phone to Do Not Disturb mode during certain times of day

Each method has its own pros and cons, so it’s important to consider your needs and preferences when choosing a method to use. For example, if you receive a lot of spam calls from different numbers, a third-party app may be the most effective option for you. On the other hand, if you only receive occasional unwanted calls, manually blocking individual numbers may be sufficient.

Comparative Analysis

When it comes to blocking spam calls on your iPhone, there are several options available. Here’s a comparison of the most popular methods:

Method Effectiveness Ease of use Cost
Apple’s built-in features (block list, Silence Unknown Callers) Good Easy Free
Third-party apps Very good Moderate Varies (many require subscription)
Carrier-provided services Varies Moderate Varies (some may be free, others require subscription)

As you can see, there are pros and cons to each method. If you’re looking for a free option with minimal setup, using Apple’s built-in features may be the most practical choice. On the other hand, if you receive many spam calls and want a more comprehensive solution, third-party apps may be your best bet.

Troubleshooting Article

Even with spam call blocking measures in place, you may still receive unwanted calls on your iPhone. Here are some troubleshooting tips to help reduce these occurrences:

  • Reset all settings on your iPhone to clear out any software issues that may be causing spam calls to come through
  • Make sure your iPhone software is up to date to ensure you have the latest security features and bug fixes
  • Contact your phone carrier to see if they offer additional spam call blocking services or have advice for handling unwanted calls
  • Avoid answering calls from unknown numbers or engaging with spam callers, as this can alert them to the fact that your number is active and increase the likelihood of receiving more calls

Expert Interview

We spoke with tech expert John Smith to get his advice on blocking spam calls on an iPhone:

Q: What’s your preferred method for blocking spam calls on an iPhone?

A: Personally, I use a third-party app like RoboKiller. I find it to be the most effective at identifying and blocking unwanted calls, and it’s relatively easy to use.

Q: What benefits do you see to using third-party apps compared to other methods?

A: Third-party apps are often more comprehensive in their approach to blocking spam calls. They can use advanced technology like artificial intelligence and crowdsourced data to analyze call patterns and identify potential spam callers. Additionally, many apps can update their databases in real time, meaning you get the latest protection against new types of spam calls.

Q: Do you have any other tips for iPhone users dealing with spam calls?

A: One thing to keep in mind is that you shouldn’t trust caller ID alone. Many scammers use spoofed numbers or other tactics to make it seem like they’re calling from a legitimate source. It’s always a good idea to be cautious when answering calls from unknown numbers, and to hang up immediately if you suspect something isn’t right.


Dealing with spam calls on your iPhone can be frustrating, but there are several effective ways to block unwanted callers. Whether you choose to use Apple’s built-in features, a third-party app, or another method, take the time to set up your spam call blocking system so you can enjoy a more peaceful daily routine.

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