Scam calls are a persistent nuisance, with Americans receiving over 52.5 billion robocalls in 2025 alone, averaging 13–15 spam calls per person each month. (antivirus.com) To combat this, several apps have emerged to help users block unwanted calls.
What Are the Best Apps to Block Scam Calls?
Several applications are designed to identify and block scam calls effectively:
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RoboKiller: This app not only blocks spam calls but also answers them with pre-recorded "answer bots," wasting the scammer's time and reducing their capacity to target other users. (claritycheck.com)
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Truecaller: With a vast database of known spammers and telemarketers, Truecaller identifies and blocks unwanted calls, providing real-time caller ID and reverse phone lookup features. (claritycheck.com)
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Hiya: Hiya offers spam detection and call blocking, utilizing a large database to identify suspicious numbers and providing reverse phone lookup capabilities. (claritycheck.com)
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Nomorobo: Specializing in blocking automated robocalls and telemarketing systems, Nomorobo uses a constantly updated list of known robocall systems to detect and block unwanted calls. (geekchamp.com)
How Does RoboKiller Stand Out?
RoboKiller distinguishes itself by not only blocking scam calls but also engaging them with pre-recorded "answer bots," effectively wasting the scammer's time and reducing their capacity to target other users. (claritycheck.com) This unique approach has led to RoboKiller being recognized as a market leader in call-blocking technology.
Are There Free Options Available?
Yes, some apps offer free versions with basic features:
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Truecaller: Provides a free version with ads and basic caller ID features. (claritycheck.com)
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Hiya: Offers a free tier with basic features, supported by ads. (claritycheck.com)
However, for enhanced protection and additional features, premium versions are available.
How Do These Apps Protect My Privacy?
Privacy considerations vary among apps:
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RoboKiller: Focuses on blocking scam calls without accessing or storing your personal contacts, ensuring your privacy is maintained. (claritycheck.com)
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Truecaller: Requires access to your contacts, which has raised privacy concerns among some users. (claritycheck.com)
How Do I Choose the Right App for Me?
Consider the following factors when selecting a call-blocking app:
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Features: Determine which features are most important to you, such as spam detection, call blocking, or reverse phone lookup.
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Privacy: Review the app's privacy policy to understand how your data will be used and protected.
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Cost: Evaluate whether the free version meets your needs or if the premium version offers additional value.
By carefully considering these aspects, you can choose an app that best fits your requirements and effectively protects you from scam calls.
Highlights:
- Android now warns before you open banking apps during risky calls, Published on Wednesday, December 03
- What is NordVPN's new Scam Call Protection feature?, Published on Thursday, July 31
- Say goodbye to spam calls - NordVPN launches new spam call protection, Published on Tuesday, July 29



