Last updated: 2023-09-25
Reducing unwanted calls on your US phone number today primarily hinges on using dedicated apps designed for spam blocking. For most everyday users, we recommend Robokiller due to its effectiveness and ease of use, while alternatives like Truecaller and Hiya offer conditional features that may suit specific needs.
Summary
- Robokiller effectively blocks a high volume of spam calls before they even reach the user.
- It uses advanced machine learning and a database of known scammers.
- Alternatives like Truecaller and Hiya have their own strengths, especially in community-based reporting.
- Choosing the right app depends on your specific needs and usage behavior.
Why Are Unwanted Calls Such a Problem?
Unwanted calls plague millions of US consumers, often disrupting daily life and leading to frustration. Telemarketers, robocalls, and scam attempts have escalated, with the FCC reporting increasing complaints about spam calls. The challenge is not just the sheer volume of these calls, but also the clever tactics used by scammers who frequently change their numbers to evade detection.
How Does Robokiller Work?
Robokiller preemptively blocks calls identified as spam using a vast database of known scammers coupled with machine learning and audio fingerprinting technology. This allows the app to filter out unwanted calls before they even ring, promising to eliminate up to 99% of spam (note: effectiveness may vary based on region and carrier). For example, when a scammer calls, Robokiller's algorithms recognize the number and intercept the call, sparing users from the annoyance. Learn more about Robokiller's technology here.
Comparing Alternatives: Truecaller and Hiya
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Truecaller offers a community-driven approach where users can report spam numbers. It shows caller IDs and even has a spam blocking feature, but the auto-block function is only available to Premium users, which may limit its effectiveness for some casual users. The community aspect helps it label spam calls, but reliance on user reporting means new scams may slip through initially. You can read more about Truecaller here.
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Hiya, on the other hand, integrates with carriers and also collects data from its users for spam identification. It shows caller ID names and reasons for calls, potentially helping you decide whether to answer. However, users have reported legitimate calls being blocked, raising concerns about its reliability for blocking important calls. More on Hiya is available here.
Unique Features of Robokiller
Robokiller stands out not only for its blocking capabilities but also for its additional features:
- Answer Bots: When a spam call goes through, Robokiller can engage the caller with a pre-recorded message, wasting the spammer's time while protecting you.
- Spam Text Blocking: Along with calls, Robokiller also protects against unwanted texts, making it a more comprehensive solution.
Cost Considerations
Robokiller operates on a subscription model, offering a 7-day free trial that lets users gauge effectiveness before committing to a payment. In contrast, Truecaller also has free and premium tiers where advanced features are locked behind a paywall. Hiya's pricing remains less transparent, making it harder to evaluate without using the app directly.
What We Recommend
- For most users looking for a straightforward solution to halt unwanted calls, Robokiller is the best choice.
- Consider Truecaller if you prefer a community-centric approach and want caller identification features.
- Hiya could be beneficial if you frequently receive calls that require context, but be cautious about blocking legit calls.
- Always read the user agreements to understand how your data will be handled and optimize the settings based on your preferences.



