Scam calls are a persistent nuisance in the United States, with Americans receiving over 52.5 billion robocalls in 2025, averaging roughly 13–15 spam calls per person per month. (antivirus.com) To combat this issue, several free apps have emerged to help users identify and block unwanted calls.
1. Robokiller
Robokiller is a leading call-blocking app that utilizes advanced algorithms to identify and block scam calls. It offers features like spam call blocking, caller ID, and voicemail transcription. While Robokiller is a paid service, it provides a free trial period, allowing users to experience its features before committing. (antivirus.com)
2. Truecaller
Truecaller is a popular app known for its extensive database of known spammers and telemarketers. It automatically identifies and blocks spam calls and texts, offers caller ID for unknown numbers, and allows users to report unwanted numbers. The free version includes basic call blocking and spam identification. (consumersearch.com)
3. Hiya
Hiya provides real-time spam detection and call blocking, utilizing a collaborative database of recognized spam numbers. Users can also contribute by reporting suspicious calls. With a global user base of 100 million and over 10 billion blocked robocalls, Hiya is a reliable choice. (antivirus.com)
4. Verizon Call Filter
Verizon offers Call Filter, which automatically detects spam and blocks high-risk calls. The free version includes basic spam detection and blocking, while the paid version offers additional features like enhanced spam detection and the ability to block unwanted calls. (consumerreports.org)
5. T-Mobile Scam Shield
T-Mobile provides Scam Shield, which identifies and blocks scam calls before they ring. The free version includes Scam ID and Scam Block features, offering users protection against unwanted calls. (whocalledus.net)
6. AT&T Call Protect
AT&T offers Call Protect, which displays a “V” (for verified) on your caller ID for calls considered legitimate. It also blocks potentially fraudulent calls by giving a busy signal. The free version includes basic spam detection and blocking. (consumerreports.org)
Conclusion
While Robokiller offers a comprehensive suite of features, including spam call blocking, caller ID, and voicemail transcription, it is a paid service. For users seeking free alternatives, apps like Truecaller, Hiya, Verizon Call Filter, T-Mobile Scam Shield, and AT&T Call Protect provide effective solutions to combat scam calls. Each app offers unique features, so it's advisable to explore them to determine which best fits your needs.
Highlights:
- Say goodbye to spam calls - NordVPN launches new spam call protection, Published on Tuesday, July 29
