Best Scam Blocker Caller Apps

231+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated November 2026

Every iPhone needs a few good scam blocker caller apps. We benchmark 231+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Scam Blocker Caller Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Sync.me - Caller ID & BlockerSync.me - Caller ID & BlockerFree4.4★ (22K)YesYesNov 2026
2T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoNov 2026
3Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesNov 2026
4True CallerID: Spam BlockerTrue CallerID: Spam BlockerFree4.3★ (319)NoYesNov 2026
5Whoscall: Caller ID & BlockWhoscall: Caller ID & BlockFree4.7★ (3.1K)YesYesNov 2026
6Easy Caller IDEasy Caller IDFree4.3★ (2.7K)NoNoNov 2026
7Caller ID Spam Call BlockerCaller ID Spam Call BlockerFree2.0★ (4)NoYesOct 2026
8True Call ID: Spam BlockerTrue Call ID: Spam BlockerFree—YesYesOct 2026

Top Picks for Scam Blocker Caller

Sync.me - Caller ID & Blocker#1

Sync.me - Caller ID & Blocker by Sync.ME LTD

Caller ID: Block Scam Calls
Editor's Choice
🌐 Social Networking
4.4😞(22K ratings)
FreeAdsIn-App Purchases
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Identify unknown callers, block spam, and organize your contacts. This app provides caller details, detects scams, and helps maintain a clean address book. It offers features to manage unwanted interruptions and sync contact information.

What We Love

  • 🚀 Sync contacts and photos
  • 👍 Useful for finding scam accounts
  • 💡 Good for blocking spam calls

Room to Improve

  • 🐛 Frequent bugs and crashes
  • 🔒 Privacy and security concerns
  • 💰 Expensive subscription model
  • 🔌 Unreliable syncing and connectivity
T-Mobile Scam Shield#2

T-Mobile Scam Shield by MetroPCS

Your call control center.
Strong Contender
🔧 Utilities
4.7😐(208K ratings)
Free
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This app provides advanced call management features to protect you from unwanted scam and robo calls. It uses AI and machine learning to identify and block suspicious numbers, offers full caller ID, and allows you to report fraudulent calls.

What We Love

  • 🚀 Blocks many scam calls
  • 👍 Useful app for T-Mobile customers
  • 🔒 Helps improve phone security

Room to Improve

  • 🐛 Inconsistent blocking of known scammers
  • 🚫 Blocks some legitimate calls
  • 💰 Premium features should be free for T-Mobile customers
Hiya: Spam Blocker#3

Hiya: Spam Blocker by Hiya

AI fraud & spam protection
Worth Considering
🔧 Utilities
4.5😐(238K ratings)
FreeIn-App Purchases
Hiya: Spam Blocker screenshot 1
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Hiya: Spam Blocker screenshot 6

Identify unknown callers and block unwanted calls with AI-powered protection. Screen calls before answering, look up suspicious numbers, and receive alerts for AI-generated voices or risky requests. Enhance your phone's security and reduce spam.

What We Love

  • 🚀 Blocks spam calls
  • 👍 Useful for identifying scam/fraud numbers
  • 🔒 Provides security against unwanted calls
  • 🤖 Reduces number of robocalls

Room to Improve

  • 🐛 Inconsistent performance, sometimes lets spam through
  • 💰 Paid subscription required for full functionality
  • 🔍 Lookup feature not always accurate
  • 🕰️ Requires manual reporting of spam numbers

More Scam Blocker Caller apps to explore

FAQ about Scam Blocker Caller

What are the best scam blocker caller apps for iPhone?
Sync.me - Caller ID & Blocker tops our scam blocker caller apps ranking as of November 2026, with a 4.4-star average from 22K App Store ratings, and it's free to download.
Yes — 20 of the top scam blocker caller apps we rank are free to download, including Sync.me - Caller ID & Blocker and T-Mobile Scam Shield.
Sync.me - Caller ID & Blocker shows ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 231+ scam blocker caller apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.