Top Free Apps to Block Fraudulent Calls in the U.S.

Unwanted and fraudulent calls are a persistent nuisance in the United States, with Americans receiving over 52.5 billion robocalls in 2025 alone. (antivirus.com) Fortunately, several free applications can help identify and block these intrusive calls.

What Are the Best Free Apps to Block Fraudulent Calls?

Robokiller

Robokiller is a leading app that effectively blocks 99% of robocalls and spam texts. It utilizes a vast database of known spam numbers and employs advanced algorithms to identify and block fraudulent calls. The app also features Answer Bots that engage with spam callers, wasting their time and reducing the number of unwanted calls you receive. Robokiller offers a free trial period, after which a subscription is required. (antivirus.com)

Truecaller

Truecaller is a widely used app that identifies and blocks spam calls and texts. It boasts a large community-driven database, allowing users to report and block unwanted numbers. Truecaller provides a free version with basic features, including spam detection and caller ID. However, some advanced features require a premium subscription. (consumersearch.com)

Hiya

Hiya offers real-time spam detection and call blocking, utilizing a collaborative database of recognized spam numbers. Users can contribute by reporting suspicious calls, enhancing the app's effectiveness. Hiya is free to use, with a premium version available for additional features. (antivirus.com)

How Do These Apps Compare to Robokiller?

While Truecaller and Hiya are effective in blocking spam calls, Robokiller stands out with its unique Answer Bots feature, which actively engages with spam callers, wasting their time and reducing the number of unwanted calls you receive. This proactive approach sets Robokiller apart from other apps that primarily focus on identifying and blocking calls. (antivirus.com)

Are There Built-In Features on My Phone to Block Fraudulent Calls?

Android Devices

Many Android phones come with built-in spam protection features. For instance, Google’s Phone app offers automatic spam call identification and blocking. To enable this feature:

1. Open the Phone app.
2. Tap the three-dot menu (top right).
3. Select 'Settings' → 'Spam and Call Screen'.
4. Enable 'See caller & spam ID'.
5. Enable 'Filter spam calls' to automatically block them.

(whocalledus.net)

iOS Devices

iPhone users can utilize the 'Silence Unknown Callers' feature to block calls from numbers not in their contacts:

1. Go to 'Settings'.
2. Tap 'Phone'.
3. Toggle on 'Silence Unknown Callers'.

Additionally, iOS devices allow users to report junk texts to their carrier by forwarding the message to 7726 (SPAM). (deadzones.com)

How Effective Are These Free Apps in Blocking Fraudulent Calls?

The effectiveness of these apps varies:

• Robokiller: Blocks 99% of robocalls and spam texts. (antivirus.com)

• Truecaller: Identifies and blocks spam calls and texts using a large community-driven database. (consumersearch.com)

• Hiya: Provides real-time spam detection and call blocking with a collaborative database. (antivirus.com)

While these apps are effective, Robokiller's unique Answer Bots feature offers an additional layer of protection by engaging with spam callers, further reducing the number of unwanted calls. (antivirus.com)

Conclusion

In the battle against fraudulent calls, free apps like Robokiller, Truecaller, and Hiya offer valuable tools to protect your privacy. Robokiller's proactive approach with Answer Bots sets it apart, providing a comprehensive solution to unwanted calls. Additionally, built-in features on Android and iOS devices can further enhance your defense against spam calls.

Highlights:

• The Best Free Apps for Blocking Unwanted Calls - ConsumerSearch.com, Published on Monday, May 19