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Best Scammer Block Apps

250+ iOS apps curated and reviewed

3.8 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good scammer block apps. We benchmark 250+ 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 Scammer Block Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1ScammerBlock - AI Call ShieldScammerBlock - AI Call ShieldFreeā€”NoYesAug 2026
2Trend Micro ScamCheckTrend Micro ScamCheckFree4.6ā˜… (2.3K)NoYesSep 2026
3Call Control: #1 Call BlockerCall Control: #1 Call BlockerFree4.5ā˜… (6.4K)YesYesSep 2026
4Whoscall: Caller ID & BlockWhoscall: Caller ID & BlockFree4.7ā˜… (3K)YesYesSep 2026
5Scammer GuardianScammer GuardianFreeā€”NoNoMay 2026
6ScamShieldScamShieldFree2.0ā˜… (1)NoNoAug 2026
7ScamZero: AI Scam CheckScamZero: AI Scam CheckFreeā€”YesYesJul 2026
8Scammer DefenceScammer DefenceFree5.0ā˜… (1)NoYesSep 2026

Top Picks for Scammer Block

Trend Micro ScamCheck#2

Trend Micro ScamCheck by Trend Micro, Incorporated

Fraud, Scam, Spam Protection
Strong Contender
šŸ”§ Utilities
4.6šŸ˜ž(2.3K ratings)
FreeIn-App Purchases
Trend Micro ScamCheck screenshot 1
Trend Micro ScamCheck screenshot 2
Trend Micro ScamCheck screenshot 3
Trend Micro ScamCheck screenshot 4
Trend Micro ScamCheck screenshot 5
Trend Micro ScamCheck screenshot 6

This app uses AI to detect and block various types of scams, including fraudulent calls, texts, websites, and even AI-generated video impersonations. It offers real-time analysis of suspicious content and provides tools to identify unknown callers. Protect your personal data and finances from online threats.

What We Love

  • šŸš€ Effective spam filtering
  • šŸ”’ Scam detection and protection
  • šŸ‘ Useful features like call blocking and SMS filtering
  • šŸš€ Worked well initially

Room to Improve

  • šŸ› Stopped working effectively over time
  • šŸ’° Transitioned from free to paid app
  • šŸ¤” Unclear subscription details and pricing
  • šŸ› Inconsistent performance and reliability
  • šŸ¤” Confusing setup and configuration
Call Control: #1 Call Blocker#3

Call Control: #1 Call Blocker by Call Control, LLC

Block Spam Calls & Robo Calls
Worth Considering
šŸ”§ Utilities
4.5šŸ˜ž(6.4K ratings)
FreeAdsIn-App Purchases
Call Control: #1 Call Blocker screenshot 1
Call Control: #1 Call Blocker screenshot 2
Call Control: #1 Call Blocker screenshot 3
Call Control: #1 Call Blocker screenshot 4
Call Control: #1 Call Blocker screenshot 5
Call Control: #1 Call Blocker screenshot 6

This app automatically blocks unwanted calls from spammers, telemarketers, and robocallers using smart technology. It allows users to create personal blocklists and offers a free reverse lookup feature. Protect your phone from scams and unwanted interruptions.

What We Love

  • šŸ‘ Excellent call blocking capabilities
  • šŸš€ Effective at reducing spam calls
  • šŸ’” Useful call identification features

Room to Improve

  • šŸ› Compatibility issues with newer iOS versions
  • šŸ”’ Concerns about privacy and data sharing
  • āš ļø Inconsistent performance and reliability

More Scammer Block apps to explore

FAQ about Scammer Block

Are there free scammer block apps for iPhone?
Yes ā€” 20 of the top scammer block apps we rank are free to download, including ScammerBlock - AI Call Shield and Trend Micro ScamCheck.
ScammerBlock - AI Call Shield has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 250+ scammer block apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.