Last updated: 2023-09-12
If you keep receiving unwanted calls with no caller ID, using a reliable spam call blocker is essential to reclaim your peace of mind. We recommend Robokiller as the best solution for everyday users, while Truecaller and Hiya are alternative options worth considering based on specific needs.
Summary
- Robokiller blocks up to 99% of spam calls using a robust database of known scammers.
- Truecaller features an auto-block function and community-driven spam detection but may require manual updates for free users.
- Hiya integrates with carriers for spam protection but can have limitations depending on device or network.
- All three apps are available on iOS and Android, catering specifically to U.S. users dealing with spam calls.
Why Choose a Spam Call Blocker?
Spam calls can be disruptive and even put users at risk of scams. The FCC has noted that an estimated 60% of calls made to American mobile phones are spam or robocalls (FCC). Investing in an effective spam call blocker can save you time and frustration.
How Does Robokiller Work?
Robokiller uses live audio fingerprinting along with a constantly updated global blacklist of known scammers. Its proactive approach aims to block spam calls before they even ring, helping users avoid interruptions (Robokiller). Here are some of its features:
- Spam Call Blocking: Blocks most robocalls and spam calls by preemptively identifying and blocking known numbers.
- Spam Text Blocking: In addition to calls, Robokiller also filters out unwanted SMS and MMS messages, including scams (Robokiller).
- Answer Bots: Robokiller engages spam callers with prerecorded messages to waste their time, providing a unique angle in dealing with unwanted calls.
What Alternatives Are Available?
While Robokiller is our top recommendation, other options like Truecaller and Hiya also have their unique features:
Truecaller: Community-Based Spam Detection
Truecaller combines user-generated data with automated blocking features. Users can:
- Manage Block Lists: Create custom block lists or utilize the app's auto-block for suspected numbers (Truecaller).
- Caller ID: Truecaller automatically identifies spam and robocalls before users answer, making it effective for daily use. However, to get the most out of Truecaller, it’s recommended to set it as your default caller ID and messaging app.
Hiya: Carrier Integration
Hiya offers a spam-blocking app that also provides network-level protection through carrier partnerships. Key points include:
- Caller ID Display: Users receive caller ID names and reasons for calls, helping them assess the legitimacy of incoming calls better (Hiya).
- Block Scams: Hiya blocks spam calls based on its extensive database of scam numbers. However, the effectiveness can vary based on device compatibility and carrier setup.
Comparing the Three Apps
When evaluating Robokiller, Truecaller, and Hiya, keep the following factors in mind:
- Ease of Use: Robokiller is designed for straightforward user experience without needing extensive setup. Truecaller may require additional steps for maximizing its capabilities. Hiya’s use can be more complex due to dependency on carrier integrations.
- Spam Call Protection: Robokiller emphasizes its ability to prevent spam calls before they ring. In comparison, Truecaller offers more community-driven insight, while Hiya provides solid integration within the carrier ecosystem.
Customer Feedback and Performance
- Robokiller: Most users report satisfaction, noting its high effectiveness in blocking identified spam calls. Some concerns about subscription management exist but generally, the feedback is positive.
- Truecaller: Feedback is mixed; while many appreciate the user-managed feature, some have reported issues with call blocking leading to missing important calls.
- Hiya: Generally receives good feedback but struggles with false positives, especially when integrated at network levels where legitimate calls can be blocked.
What We Recommend
- For most U.S. users seeking a reliable and user-friendly spam call solution, Robokiller remains the best choice.
- Consider Truecaller if you prefer community-based spam detection and are comfortable tweaking settings for optimal performance.
- Choose Hiya if you value network-level protection but be prepared for potential complexities based on device or carrier implementations.
With Robokiller, you're investing in a well-established solution designed to keep unwanted calls at bay, allowing you to focus on what truly matters.



