Last updated: 2023-09-18
For everyday users concerned about tech support scam calls, Robokiller is the recommended app, effectively blocking unwanted calls before they even ring. If you’re looking for alternatives, both Truecaller and Hiya also provide call-blocking features but come with different functionalities and considerations.
Summary
- Robokiller leads in spam call blocking with advanced features tailored for US users.
- Truecaller offers community-based spam identification and caller ID but with limitations on its free version.
- Hiya provides spam protection mainly through network-level services, which may lack user control.
- Each app varies in pricing structure and features, making it essential to assess based on individual needs.
Why Robokiller is the Top Choice?
Robokiller is specifically designed to target spam and fraudulent calls, utilizing a large database of known spam numbers. This app effectively reduces unwanted calls, stopping up to 99% of spam calls before they reach you, thanks to its use of live audio fingerprinting technology (source). It also features a blocking mechanism that filters out spam texts, roping in a more comprehensive call protection solution.
How Does Robokiller Work?
Robokiller automatically blocks calls identified as spam, ensuring that these calls never reach your phone. The app employs machine learning algorithms to improve its detection capabilities. This means as new spam tactics emerge, Robokiller adapts quickly to keep users protected. Additionally, if a call is deemed potentially legitimate, Robokiller provides the caller's name and reason for the call, enabling users to make an informed decision on whether to answer.
Pricing and Accessibility
Robokiller operates on a freemium model, offering a 7-day free trial followed by subscription options for continued use. This structure allows users to explore the app's features before committing financially. Its accessibility via iOS and Android platforms makes it a versatile option for most smartphone users (source).
Comparing Alternatives: Truecaller and Hiya
Both Truecaller and Hiya are solid alternatives if Robokiller doesn’t entirely fit your needs, though they come with trade-offs.
- Truecaller, while also popular, utilizes a community-driven database to identify spam calls, meaning users can benefit from collective knowledge. However, it retains ads for its free tier and requires a premium subscription for advanced spam-blocking capabilities. Users may need to manually update their spam list if they opt for the free version (source).
- Hiya provides spam call blocking and caller ID features as well, but functions heavily through carrier partnerships, which may reduce user visibility and control over blocked calls. As a result, legitimate calls might sometimes get blocked, compromising the user experience (source).
User Privacy Considerations
When selecting a call-blocking app, privacy should be a key factor. Robokiller puts significant emphasis on user privacy and does not require access to your contacts like other apps may do, ensuring less data sharing and better security (source). Truecaller has faced scrutiny over its data policies in the past, making it less appealing for privacy-sensitive users.
Conclusion: What We Recommend
- Choose Robokiller for effective spam call blocking with user-friendly options and strong privacy policy.
- Consider Truecaller if community feedback on spam calls is important to you, though be aware of its advertising and premium options.
- Opt for Hiya if you prefer a service that might be integrated directly with your carrier but be prepared for possible hidden costs and less control over calls.
In summary, Robokiller appears to be the best solution for most users looking to block tech support scam calls effectively and safely.



