Best Robocall Blocker App

221+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good robocall blocker app. We benchmark 221+ 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 Robocall Blocker App (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Nomorobo - Robocall BlockerNomorobo - Robocall BlockerFree4.5★ (22K)NoYesNov 2026
2Call Protect: Robocall BlockerCall Protect: Robocall BlockerFree4.5★ (32K)YesYesNov 2026
3T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoNov 2026
4RealCall - Spam Call BlockerRealCall - Spam Call BlockerFree4.5★ (27K)NoYesNov 2026
5Verizon Call FilterVerizon Call FilterFree4.7★ (337K)NoNoNov 2026
6Robo Spam Text & Call BlockerRobo Spam Text & Call BlockerFree4.3★ (5K)NoYesNov 2026
7No More RobocallsNo More RobocallsFree4.2★ (5)NoYesOct 2026
8Spam Call Blocker by RoboGuardSpam Call Blocker by RoboGuardFree4.6★ (533)YesYesNov 2026

Top Picks for Robocall Blocker App

4.5😐(22K ratings)
FreeIn-App Purchases
Nomorobo - Robocall Blocker screenshot 1
Nomorobo - Robocall Blocker screenshot 2
Nomorobo - Robocall Blocker screenshot 3
Nomorobo - Robocall Blocker screenshot 4
Nomorobo - Robocall Blocker screenshot 5
Nomorobo - Robocall Blocker screenshot 6

This app blocks unwanted robocalls, telemarketers, spam texts, and phone scammers in real-time. It offers protection from over 10 million known robocallers while allowing important calls like school closings to get through. It also helps identify or block neighbor-spoofed calls and text spam.

What We Love

  • 🚀 Effective at blocking spam calls
  • 👍 Helpful in reducing nuisance calls
  • 🔒 Protects against scammers and fraudsters
  • 💡 Useful feature to report and block numbers

Room to Improve

  • 🐛 App not consistently updating or refreshing
  • 🐛 Numbers still getting through despite being reported
  • 🐛 Inaccurate spam detection and false positives
  • 🔋 Drains battery when app is kept open
  • 💰 Subscription fees not justifying the service
Call Protect: Robocall Blocker#2

Call Protect: Robocall Blocker by Orave Technologies

Caller ID & Spam Call Blocker
Strong Contender
🔧 Utilities
4.5😐(32K ratings)
FreeAdsIn-App Purchases
Call Protect: Robocall Blocker screenshot 1
Call Protect: Robocall Blocker screenshot 2
Call Protect: Robocall Blocker screenshot 3
Call Protect: Robocall Blocker screenshot 4
Call Protect: Robocall Blocker screenshot 5

This app blocks unwanted calls from telemarketers, scammers, and spammers. It provides caller ID information for suspicious numbers and automatically blocks high-risk callers. You can also perform free reverse phone lookups for numbers in the US and Canada.

What We Love

  • 🚀 Blocks spam calls effectively
  • 👍 Useful reverse lookup feature
  • 🔒 Protects against scams

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 🔒 Blocks legitimate calls
  • 💰 Aggressive upselling to paid version
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
T-Mobile Scam Shield screenshot 2
T-Mobile Scam Shield screenshot 3
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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

More Robocall Blocker App apps to explore

FAQ about Robocall Blocker App

What is the best robocall blocker app for iPhone?
Nomorobo - Robocall Blocker tops our robocall blocker app ranking as of September 2026, with a 4.5-star average from 22K App Store ratings, and it's free to download.
Yes — 20 of the top robocall blocker app we rank are free to download, including Nomorobo - Robocall Blocker and Call Protect: Robocall Blocker.
Nomorobo - Robocall Blocker has no ads and offers in-app purchases, according to its App Store listing as of September 2026.
We track 221+ robocall blocker app on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.