← Back to Blog
TipsMay 6, 2026

Which App is Best for Blocking Unknown Calls on My Phone?

By The Robokiller Team

Which App is Best for Blocking Unknown Calls on My Phone?

Unwanted calls from unknown numbers can be a significant nuisance, disrupting daily life and compromising privacy. Fortunately, several applications are designed to identify and block these calls, offering peace of mind to users.

What Are the Top Apps for Blocking Unknown Calls?

Several applications stand out in the realm of call blocking:

  • Robokiller: Utilizing AI-powered audio fingerprinting technology, Robokiller effectively identifies and blocks spam calls, even when scammers change their numbers. In a two-week trial on a Pixel 8 Pro, it blocked 47 out of 50 spam calls. (fone.tips)

  • Truecaller: With a vast global database, Truecaller identifies unknown callers and blocks spam calls. It boasts a 94% accuracy rate in detecting spam calls, with minimal false positives. (fone.tips)

  • Hiya: Hiya offers strong call blocking and spam protection powered by its AI system, effectively identifying and blocking robocalls, telemarketers, and fraud calls. (realcall.ai)

How Does Robokiller Compare to Competitors?

Robokiller distinguishes itself through several key features:

  • AI-Powered Answer Bots: Instead of merely blocking spam calls, Robokiller engages scammers with pre-recorded "answer bots," wasting their time and reducing their capacity to target other users. (fone.tips)

  • Personalized Block and Allow Lists: Users can customize their experience by creating personalized lists, ensuring that important calls are never missed. (fone.tips)

  • Reverse Phone Number Lookup: Robokiller provides detailed information about unknown numbers, helping users make informed decisions about incoming calls. (fone.tips)

What Are the Pricing Options for Robokiller?

Robokiller offers a 7-day free trial, after which users can choose between:

  • Monthly Subscription: $4.99 per month

  • Annual Subscription: $39.99 per year

These plans grant access to all features, including the AI-powered answer bots and personalized block lists. (fone.tips)

Are There Free Alternatives to Robokiller?

Yes, there are free alternatives:

  • Truecaller: Offers a free version with basic features, including spam call identification and blocking. However, it displays ads and may collect user data. (fone.tips)

  • Hiya: Provides a free tier with basic spam detection and call blocking. Advanced features require a paid subscription. (realcall.ai)

How Do I Choose the Right Call Blocking App?

When selecting a call blocking app, consider the following factors:

  • Effectiveness: Ensure the app accurately identifies and blocks spam calls without missing legitimate ones.

  • Features: Look for additional functionalities like personalized block lists, reverse phone lookup, and AI-powered answer bots.

  • Privacy: Review the app's data collection practices to ensure your personal information remains secure.

  • Cost: Evaluate whether the app's pricing aligns with the value it provides.

Robokiller stands out as a comprehensive solution, offering advanced features that go beyond basic call blocking, making it a top choice for users seeking robust protection against unwanted calls.

Highlights:

Frequently Asked Questions

Related articles

Live life spam-call-free.

Robokiller blocks 99% of spam calls and texts so you can take your phone back.

Try free for 7 days