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Best Spam App Blocker

245+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Whether you're new to spam app blocker or looking for an upgrade, our curated collection of 245+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Spam App Blocker (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesSep 2026
2Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoSep 2026
3T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoSep 2026
4Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesSep 2026
5MembersWorld by Bupa GlobalMembersWorld by Bupa GlobalFree4.5★ (122)NoNoAug 2026
6PhonePhoneFree4.0★ (8.5K)NoNoSep 2026
7YouMail: Spam Call BlockerYouMail: Spam Call BlockerFree4.7★ (99K)YesYesSep 2026
8Safe Line: Call BlockerSafe Line: Call BlockerFree3.0★ (1)NoYesMay 2026

Top Picks for Spam App 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
#8in Utilities
Robokiller: Spam Call Blocker screenshot 1
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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
  • 💰 Expensive subscription, additional carrier charges
Verizon Call Filter#2

Verizon Call Filter by Verizon Wireless

Put an end to mystery calls
Strong Contender
🔧 Utilities
4.7😐(300K ratings)
Free
Verizon Call Filter screenshot 1
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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
  • 👍 Effective at blocking spam

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 🔒 Blocks legitimate calls
  • 💰 Paid version required for full functionality
  • 🤔 Questionable effectiveness
  • 🤔 Doesn't seem to work well
  • 🤔 Increases spam calls for some users
  • 🤔 Confusing setup and functionality
T-Mobile Scam Shield#3

T-Mobile Scam Shield by MetroPCS

Your call control center.
Worth Considering
🔧 Utilities
4.7😐(208K ratings)
Free
T-Mobile Scam Shield screenshot 1
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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

More Spam App Blocker apps to explore

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FAQ about Spam App Blocker

What is the best spam app blocker for iPhone?
Robokiller: Spam Call Blocker tops our spam app blocker ranking as of September 2026, with a 4.5-star average from 414K App Store ratings, and it's free to download.
Yes — 20 of the top spam app blocker we rank are free to download, including Robokiller: Spam Call Blocker and Verizon Call Filter.
Robokiller: Spam Call Blocker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 245+ spam app blocker on the iOS App Store as of September 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.