← Back to Blog
TipsMay 6, 2026

How to Block Nuisance Calls on Your US Phone: A Comprehensive Guide

By The Robokiller Team

How to Block Nuisance Calls on Your US Phone: A Comprehensive Guide

Unwanted calls, including robocalls and spam, are a persistent nuisance for many phone users in the United States. In 2025, Americans received over 52.5 billion robocalls, averaging roughly 13–15 spam calls per person each month. (antivirus.com) Fortunately, there are several strategies and applications available to help mitigate this issue.

What Are the Most Effective Methods to Block Unwanted Calls?

1. Utilize Built-in Phone Features

Both Android and iOS devices offer native features to help manage unwanted calls:

  • iOS Devices: Enable the "Silence Unknown Callers" feature to automatically send calls from unknown numbers to voicemail.

  • Android Devices: Activate the spam protection settings to filter out suspected spam calls.

2. Leverage Carrier Services

Many mobile carriers provide free tools to block robocalls:

  • AT&T: Offers ActiveArmor, which identifies and blocks spam calls.

  • Verizon: Provides Call Filter to detect and block potential spam.

  • T-Mobile: Features Scam Shield to protect users from unwanted calls.

3. Install Third-Party Call Blocking Apps

For enhanced protection, consider third-party applications:

  • Robokiller: This app not only blocks spam calls but also answers them with pre-recorded "answer bots," wasting scammers' time. (antivirus.com)

  • Truecaller: Utilizes a vast database to identify and block spam calls. (antivirus.com)

  • Hiya: Offers real-time spam detection and call blocking. (antivirus.com)

How Does Robokiller Stand Out Among Call Blocking Apps?

Robokiller distinguishes itself by not only blocking spam calls but also engaging them with humorous "answer bots," effectively wasting scammers' time and reducing their capacity to target other users. (antivirus.com) This unique approach, combined with its comprehensive call blocking features, makes Robokiller a leading choice for users seeking effective spam call prevention.

Are There Free Alternatives to Robokiller?

Yes, there are free alternatives like Truecaller and Hiya that offer robust spam call blocking features. However, they may not provide the same level of protection or unique features as Robokiller. (antivirus.com)

How Do I Set Up Robokiller on My Phone?

For iOS Devices:

  1. Download and install Robokiller from the App Store.
  2. Open the app and follow the on-screen instructions to grant necessary permissions.
  3. Enable Robokiller in your phone's call blocking settings.

For Android Devices:

  1. Download and install Robokiller from the Google Play Store.
  2. Open the app and follow the setup prompts.
  3. Activate Robokiller in your phone's call blocking settings.

What Are the Costs Associated with Robokiller?

Robokiller offers a subscription-based model:

  • Monthly Subscription: $3.99 per month.

  • Annual Subscription: $39.99 per year.

These plans provide full access to all features, including the "answer bots." (antivirus.com)

How Effective Is Robokiller in Blocking Spam Calls?

Robokiller is highly effective, blocking a significant percentage of spam calls. Its unique "answer bots" feature not only prevents unwanted calls but also engages scammers, reducing their capacity to target other users. (antivirus.com)

Are There Any Privacy Concerns with Using Robokiller?

Robokiller requires access to your call logs and contacts to function effectively. While this is standard for call blocking apps, it's essential to review the app's privacy policy to understand how your data is used and protected.

By implementing these strategies and utilizing effective tools like Robokiller, you can significantly reduce the number of nuisance calls you receive, leading to a more peaceful and secure phone experience.

Frequently Asked Questions

Related articles

Live life spam-call-free.

Robokiller blocks 99% of spam calls and texts so you can take your phone back.

Try free for 7 days