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Best Scam Blocker Apps

249+ iOS apps curated and reviewed

4.4 avg rating
18 free apps
Updated August 2026

Whether you're new to scam blocker or looking for an upgrade, our curated collection of 249+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Scam Blocker Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesAug 2026
2T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoAug 2026
3Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoAug 2026
4Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (237K)NoYesAug 2026
5Nomorobo - Robocall BlockerNomorobo - Robocall BlockerFree4.5★ (22K)NoYesAug 2026
6AI Security & Web Anti-ScamAI Security & Web Anti-ScamFree—NoYesAug 2026
7YouMail: Spam Call BlockerYouMail: Spam Call BlockerFree4.7★ (99K)YesYesAug 2026
8ScamCheck AI - Scam DetectorScamCheck AI - Scam DetectorFree—NoNoAug 2026

Top Picks for Scam Blocker

Robokiller: Spam Call Blocker#1

Robokiller: Spam Call Blocker by Mosaic S.r.l.

Stop 99% of Robocalls & Texts
Editor's Choice
🔧 Utilities
4.5😐(414K ratings)
FreeIn-App Purchases
#9in Utilities
Robokiller: Spam Call Blocker screenshot 1
Robokiller: Spam Call Blocker screenshot 2
Robokiller: Spam Call Blocker screenshot 3
Robokiller: Spam Call Blocker screenshot 4
Robokiller: Spam Call Blocker screenshot 5
Robokiller: Spam Call Blocker screenshot 6

This app blocks up to 99% of unwanted spam calls and texts using advanced AI and a vast database. It also offers a unique feature to annoy spammers with automated responses and protects your personal information from being sold online.

What We Love

  • 🚀 Blocks spam calls effectively
  • 😂 Entertaining answer bots
  • 🤫 Reduces unwanted call volume
  • 👍 Convenient call screening

Room to Improve

  • 🐛 App issues like resetting, deactivation, and call forwarding problems
  • 🚫 Blocks some legitimate calls
  • 🤖 Concerns about increased spam calls after using the app
T-Mobile Scam Shield#2

T-Mobile Scam Shield by MetroPCS

Your call control center.
Strong Contender
🔧 Utilities
4.7😐(208K ratings)
Free
T-Mobile Scam Shield screenshot 1
T-Mobile Scam Shield screenshot 2
T-Mobile Scam Shield screenshot 3
T-Mobile Scam Shield screenshot 4
T-Mobile Scam Shield screenshot 5
T-Mobile Scam Shield screenshot 6

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
Verizon Call Filter#3

Verizon Call Filter by Verizon Wireless

Put an end to mystery calls
Worth Considering
🔧 Utilities
4.7😐(300K ratings)
Free
Verizon Call Filter screenshot 1
Verizon Call Filter screenshot 2
Verizon Call Filter screenshot 3
Verizon Call Filter screenshot 4
Verizon Call Filter screenshot 5

This app helps you identify and block unwanted spam and robocalls. It automatically screens incoming calls, alerts you to suspected spam, and can send high-risk callers directly to voicemail. You can also report spam numbers and customize your blocking preferences for greater control over your calls.

What We Love

  • 🚀 Blocks spam calls
  • 🔒 Helps reduce spam
  • 👍 Works well for some users
  • ⭐️ Useful tool

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 🔒 Blocks legitimate calls
  • 💰 Paid version required for full functionality

More Scam Blocker apps to explore

4
Hiya: Spam Blocker
Hiya: Spam Blocker
Hiya: Spam Blocker
AI fraud & spam protection
Free

Block unwanted spam and scam calls while identifying unknown callers. Get real-time caller ID and call reasons before you answer, and protect your voicemail from spam. Offers premium features for an enhanced calling experience.

Spam and scam call blockingReal-time caller IDCall reason identification
🔧 Utilities
(237K)
free with in-app purchases
5
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Nomorobo - Robocall Blocker
Call Filter & Scam Shield
Free

This app blocks unwanted robocalls, telemarketers, spam texts, and scammers from reaching your phone. It identifies and filters out millions of malicious callers daily, while allowing important alerts to get through. Enjoy peace of mind with real-time protection and customizable blocking options.

Real-time robocall blockingIdentifies new robocallers dailyAllows important alerts
🔧 Utilities
(22K)
free with in-app purchases
6
AI Security & Web Anti-Scam
AI Security & Web Anti-Scam
AI Security & Web Anti-Scam
One solution for all threats
Free
🔧 Utilities
(0)
7
YouMail: Spam Call Blocker
YouMail: Spam Call Blocker
YouMail: Spam Call Blocker
Protect Your Phone Number
Free

This app blocks unwanted robocalls and spam texts, offering safer communication. It provides a free tier with basic blocking and a privacy scan, with premium options for enhanced protection and an additional phone number.

Robocall blockingSpam text blockingSafer visual voicemail
🔧 Utilities
(99K)
free with in-app purchases
8
ScamCheck AI - Scam Detector
ScamCheck AI - Scam Detector
ScamCheck AI - Scam Detector
Scam & Fraud Message Scanner
Free
📊 Productivity
(0)
9
TypeSafe: Scam Protection
TypeSafe: Scam Protection
TypeSafe: Scam Protection
Scam Detection Keyboard
Free
🔧 Utilities
(0)
10
ScamJunk
ScamJunk
ScamJunk
Protect yourself from fraud
Free
🔧 Utilities
(0)
11
ScamShield: AI Scam Detector
ScamShield: AI Scam Detector
ScamShield: AI Scam Detector
Detect scam, phishing & fraud
$1.99
🌟 Lifestyle
(0)
12
isReal: Scam Detector
isReal: Scam Detector
isReal: Scam Detector
Peace of Mind Before You Act
Free
🔧 Utilities
(0)
13
Scam Alert Pro
Scam Alert Pro
Scam Alert Pro
Protect Yourself from Scams
Free
🔧 Utilities
(0)
14
Safe Line: Call Blocker
Safe Line: Call Blocker
Safe Line: Call Blocker
Spam Calls
Free

This app helps you avoid unwanted spam and scam calls by instantly blocking them. Protect yourself from bothersome callers with an easy-to-use blocking feature. Manage your subscriptions and privacy through your app store settings.

Block spam calls instantlyProtect from scammersManage subscriptions
🔧 Utilities
(1)
free with in-app purchases
15
Scam Scanner: Fraud Detector
Scam Scanner: Fraud Detector
Scam Scanner: Fraud Detector
Detect Any Scam. Instantly.
Free
🔧 Utilities
(0)
16
ScammerBlock - AI Call Shield
ScammerBlock - AI Call Shield
ScammerBlock - AI Call Shield
Block scams with AI screening
Free
🔧 Utilities
(0)
17
Phone Blocker Pro
Phone Blocker Pro
Phone Blocker Pro
Block spam and robocalls
$2.99

Block unwanted telemarketing and spam calls with custom patterns. This tool allows you to block large sets of numbers matching specific criteria while still allowing calls from unknown numbers.

Block telemarketing and spam numbersCreate custom blocking patternsBlock up to 10,000 numbers per pattern
🔧 Utilities
(0)
paid
18
ScamSnap – Scam Detector
ScamSnap – Scam Detector
ScamSnap – Scam Detector
Is it a scam? Check in seconds
Free
🔧 Utilities
(0)
19
Nyzra: AI Scam Detector
Nyzra: AI Scam Detector
Nyzra: AI Scam Detector
Check Texts, Emails & Links
Free
🔧 Utilities
(0)
20
Ad Shield Scam Radar
Ad Shield Scam Radar
Ad Shield Scam Radar
AI Scam & Fraud Protection
Free
🔧 Utilities
(0)

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FAQ about Scam Blocker

What are the best scam blocker apps for iPhone?
Robokiller: Spam Call Blocker tops our scam blocker apps ranking as of August 2026, with a 4.5-star average from 414K App Store ratings, and it's free to download.
Yes — 18 of the top scam blocker apps we rank are free to download, including Robokiller: Spam Call Blocker and T-Mobile Scam Shield.
Robokiller: Spam Call Blocker has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 249+ scam blocker apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Robokiller is designed to eliminate up to 99% of spam calls and text messages. It uses a global database of known spam numbers and AI-powered audio fingerprinting to identify and block unwanted communications. The app also offers features to annoy spammers and protect your personal information.
It employs a multi-pronged approach. A global database of 1.4 billion analyzed calls instantly protects against known scams. Additionally, patented audio fingerprinting technology uses machine learning to identify and block annoying, unwanted calls before they ring your phone.

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