← Back to Blog
TipsMay 6, 2026

Effective Alternatives to AT&T ActiveArmor for Blocking Unknown Calls

By The Robokiller Team

Effective Alternatives to AT&T ActiveArmor for Blocking Unknown Calls

Receiving unsolicited or unknown calls can be both disruptive and potentially harmful. While AT&T ActiveArmor offers robust protection, there are several effective alternatives available to safeguard your privacy.

What Are the Top Alternatives to AT&T ActiveArmor for Blocking Unknown Calls?

Robokiller

Robokiller is a leading call-blocking app that utilizes advanced AI technology to identify and block spam calls. It boasts a 99% success rate in blocking robocalls and offers unique features like AI-powered "Answer Bots" that engage scammers, wasting their time and reducing their capacity to target other users. The app is available for both iOS and Android devices. (robokiller.com)

Hiya

Hiya provides comprehensive spam protection by leveraging a vast database of known spam numbers. It offers real-time caller ID, spam detection, and call blocking features. Hiya powers AT&T's Call Protect and Samsung's built-in spam blocker, ensuring a high level of accuracy in identifying unwanted calls. The app is free to use, with a premium version available for additional features. (appvulture.com)

Carrier-Specific Tools

Many mobile carriers offer built-in tools to help block unknown or spam calls:

  • Verizon Call Filter: Automatically detects and blocks high-risk calls, labeling them as "Potential Spam." A free version is available, with a premium upgrade offering more advanced features. (consumerreports.org)

  • T-Mobile Scam Shield: Identifies and blocks robocalls across the network, providing Scam ID and Scam Block features. These tools are free and can be activated via the T-Life app. (consumerreports.org)

  • AT&T ActiveArmor: Offers spam and fraud blocking, nuisance call alerts, and device security alerts. The free plan includes many useful features, while the paid plan offers advanced features like Public Wi-Fi Protection and identity monitoring. (aura.com)

How Does Robokiller Compare to Other Call-Blocking Apps?

Robokiller stands out due to its unique approach of engaging scammers with AI-powered "Answer Bots," effectively wasting their time and reducing their capacity to target other users. This feature not only protects you but also contributes to the broader effort of reducing scam calls. Additionally, Robokiller has received multiple awards, including the Webby Award for Technical Achievement in 2019 and 2021, and the FTC Seal for the Robocalls Against Humanity Competition in 2015. (robokiller.com)

Are There Free Options Available for Blocking Unknown Calls?

Yes, several free options are available:

  • Built-in Phone Features: Both iOS and Android devices offer native features to block or silence unknown calls. For instance, iPhone users can enable "Silence Unknown Callers" in the settings, which sends calls from numbers not in your contacts directly to voicemail. (onlinethreatalerts.com)

  • Carrier Tools: As mentioned, carriers like Verizon and T-Mobile provide free tools such as Call Filter and Scam Shield, respectively, to help block unwanted calls. (consumerreports.org)

How Do I Choose the Best Call-Blocking Solution for My Needs?

When selecting a call-blocking solution, consider the following factors:

  • Effectiveness: Look for apps or services with high success rates in blocking spam calls.

  • Features: Consider additional features like real-time caller ID, spam detection, and the ability to block specific numbers.

  • Privacy: Ensure the app or service respects your privacy and does not misuse your data.

  • Cost: Determine whether a free version meets your needs or if a premium version offers valuable additional features.

By evaluating these factors, you can choose a call-blocking solution that best fits your requirements and effectively protects you from unwanted calls.

Highlights:

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