Best Block Unknown Callers Apps

246+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated November 2026

Out of 246+ block unknown callers apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Block Unknown Callers Apps (November 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesNov 2026
2Mr. Number Lookup & Call BlockMr. Number Lookup & Call BlockFree4.5★ (100K)NoYesNov 2026
3RealCall - Spam Call BlockerRealCall - Spam Call BlockerFree4.5★ (27K)NoYesNov 2026
4Getcontact: Spam Caller IDGetcontact: Spam Caller IDFree4.4★ (61K)YesYesNov 2026
5TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (26K)NoYesNov 2026
6Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (253K)YesYesNov 2026
7Caller ID Spam Call BlockerCaller ID Spam Call BlockerFree2.0★ (4)NoYesOct 2026
8Reveal No Caller ID – MaskOffReveal No Caller ID – MaskOffFree4.7★ (806)NoYesNov 2026

Top Picks for Block Unknown Callers

Hiya: Spam Blocker#1

Hiya: Spam Blocker by Hiya

AI fraud & spam protection
Editor's Choice
🔧 Utilities
4.5😐(238K ratings)
FreeIn-App Purchases
Hiya: Spam Blocker screenshot 1
Hiya: Spam Blocker screenshot 2
Hiya: Spam Blocker screenshot 3
Hiya: Spam Blocker screenshot 4
Hiya: Spam Blocker screenshot 5
Hiya: Spam Blocker screenshot 6

Identify unknown callers and block unwanted calls with AI-powered protection. Screen calls before answering, look up suspicious numbers, and receive alerts for AI-generated voices or risky requests. Enhance your phone's security and reduce spam.

What We Love

  • 🚀 Blocks spam calls
  • 👍 Useful for identifying scam/fraud numbers
  • 🔒 Provides security against unwanted calls
  • 🤖 Reduces number of robocalls

Room to Improve

  • 🐛 Inconsistent performance, sometimes lets spam through
  • 💰 Paid subscription required for full functionality
  • 🔍 Lookup feature not always accurate
  • 🕰️ Requires manual reporting of spam numbers
Mr. Number Lookup & Call Block#2

Mr. Number Lookup & Call Block by Hiya

Identify callers quickly
Strong Contender
🔧 Utilities
4.5😐(100K ratings)
FreeIn-App Purchases
#68in Utilities
Mr. Number Lookup & Call Block screenshot 1
Mr. Number Lookup & Call Block screenshot 2
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Mr. Number Lookup & Call Block screenshot 5
Mr. Number Lookup & Call Block screenshot 6

Instantly identify unknown callers and block unwanted calls. This app provides lightning-fast phone number lookups, protects against scam calls, and offers advanced spam detection to keep your device free from robocalls. Manage your personal block list and report spam to help the community.

What We Love

  • 🚀 Effective at blocking spam/fraud calls
  • 👍 Useful for identifying unknown numbers
  • 🔒 Helps protect against spoofing
  • 💡 Allows reporting of spam numbers

Room to Improve

  • 🐛 Doesn't always block known spam numbers
  • 🔍 Reduced functionality in recent updates
  • 💰 Moved many features behind a paywall
  • 🤔 Concerns about data privacy/usage
RealCall - Spam Call Blocker#3

RealCall - Spam Call Blocker by Second Phone Number Inc

Robo call blocker scam shield
Worth Considering
🔧 Utilities
4.5😊(27K ratings)
FreeIn-App Purchases
RealCall - Spam Call Blocker screenshot 1
RealCall - Spam Call Blocker screenshot 2
RealCall - Spam Call Blocker screenshot 3
RealCall - Spam Call Blocker screenshot 4
RealCall - Spam Call Blocker screenshot 5
RealCall - Spam Call Blocker screenshot 6

Automatically identify and filter out unwanted calls, robocalls, and telemarketers using advanced AI. Protect yourself from scams and unknown numbers with customizable blocklists and smart alerts. Enjoy an ad-free experience and advanced features with a premium subscription.

What We Love

  • 🚀 Blocks spam calls effectively
  • 🔒 Protects against scammers
  • 👍 Easy to set up and use
  • 🚀 Stops unwanted calls quickly

Room to Improve

  • 🐛 Blocks some legitimate calls
  • 🔍 Voicemail retrieval issues
  • 🔍 Poor customer support
  • 💰 Expensive subscription

More Block Unknown Callers apps to explore

FAQ about Block Unknown Callers

What are the best block unknown callers apps for iPhone?
Hiya: Spam Blocker tops our block unknown callers apps ranking as of November 2026, with a 4.5-star average from 238K App Store ratings, and it's free to download.
Yes — 20 of the top block unknown callers apps we rank are free to download, including Hiya: Spam Blocker and Mr. Number Lookup & Call Block.
Hiya: Spam Blocker has no ads and offers in-app purchases, according to its App Store listing as of November 2026.
We track 246+ block unknown callers apps on the iOS App Store as of November 2026, ranked by rating, recency, and analysis of real user reviews.

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