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Best Spam Block Apps

217+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated May 2026

Whether you're new to spam block or looking for an upgrade, our curated collection of 217+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Compare top Spam Block Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesSep 2026
2T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoSep 2026
3Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoSep 2026
4Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesSep 2026
5Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesSep 2026
6YouMail: Spam Call BlockerYouMail: Spam Call BlockerFree4.7★ (99K)YesYesSep 2026
7Textkiller - Spam Text BlockerTextkiller - Spam Text BlockerFree4.3★ (13K)NoYesSep 2026
8Nomorobo Max Spam Call BlockerNomorobo Max Spam Call BlockerFree4.5★ (5.2K)NoYesSep 2026

Top Picks for Spam Block

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
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
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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
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
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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

More Spam Block apps to explore

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FAQ about Spam Block

What are the best spam block apps for iPhone?
Robokiller: Spam Call Blocker tops our spam block apps ranking as of May 2026, with a 4.5-star average from 414K App Store ratings, and it's free to download.
Yes — 20 of the top spam block 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 May 2026.
We track 217+ spam block apps on the iOS App Store as of May 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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