Best Spam Call Blocker Apps for iPhone (US & Canada)

 Tired of constant spam or robocalls? These top-rated apps help U.S. and Canadian iPhone users stop unwanted calls instantly.


1. Truecaller

Truecaller identifies unknown numbers and automatically flags potential spam calls.

  • Real-time caller ID

  • Spam protection and reporting

  • Works with iPhone’s default Phone app


2. Hiya

Hiya offers advanced spam detection and integrates well with carriers like AT&T and T-Mobile.

  • Detects spoofed calls

  • Updates spam lists automatically

  • Free and premium versions available


3. RoboKiller

RoboKiller goes beyond blocking — it plays pre-recorded “answer bots” to waste scammers’ time.

  • Automatic spam blocking

  • Customizable call filters

  • Fun anti-spam audio replies


OnePlus Tip: For the best protection, pair one of these apps with your carrier’s spam filter — like Verizon Call Filter, AT&T Call Protect, or T-Mobile Scam Shield — and enable Silence Unknown Callers in iPhone settings.

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