Best Block Caller Apps

237+ iOS apps curated and reviewed

4.1 avg rating
20 free apps
Updated August 2026

If you already know TrapCall, this is the deeper bench. 237+ block caller apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Block Caller Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (26K)NoYesAug 2026
2Call BlockerCall BlockerFree4.5★ (1.2K)YesYesAug 2026
3Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesAug 2026
4Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoAug 2026
5Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesAug 2026
6Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesAug 2026
7Whoscall: Caller ID & BlockWhoscall: Caller ID & BlockFree4.7★ (3K)YesYesAug 2026
8Showcaller Caller ID BlockShowcaller Caller ID BlockFreeYesNoMay 2026

Top Picks for Block Caller

TrapCall: Reveal No Caller ID#1

TrapCall: Reveal No Caller ID by Mosaic S.r.l.

Control Who Calls You & Block
Editor's Choice
💼 Business
4.2😞(26K ratings)
FreeIn-App Purchases
#25in Business
TrapCall: Reveal No Caller ID screenshot 1
TrapCall: Reveal No Caller ID screenshot 2
TrapCall: Reveal No Caller ID screenshot 3
TrapCall: Reveal No Caller ID screenshot 4
TrapCall: Reveal No Caller ID screenshot 5
TrapCall: Reveal No Caller ID screenshot 6

Unmask blocked and unknown callers, stop spam, and protect your privacy. Get caller ID for masked numbers, record calls, and receive voicemails as text. This app provides a solution for unwanted and harassing calls.

What We Love

  • 🔒 Effective in unmasking blocked numbers
  • 🚀 Able to record and transcribe calls
  • 👍 Helpful in gathering evidence for legal issues

Room to Improve

  • 🐛 Inaccurate caller ID information
  • 🔒 Difficult to fully deactivate and remove from device
  • 🔋 Continued call forwarding even after cancellation
Call Blocker#2

Call Blocker by UnknownPhone.com

Identify & Block spam calls
Strong Contender
🔧 Utilities
4.5😐(1.2K ratings)
FreeAdsIn-App Purchases
Call Blocker screenshot 1
Call Blocker screenshot 2
Call Blocker screenshot 3
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Call Blocker screenshot 5
Call Blocker screenshot 6

Block unwanted calls, identify suspicious numbers, and report spam. Access a large community database to avoid phone scams and extra charges. Protect yourself from telemarketers and unknown callers.

What We Love

  • 🚀 Effective call blocker
  • 👍 Easy to use
  • 🔒 Blocks spam and scam calls
  • 💡 Useful caller ID and lookup features

Room to Improve

  • 🐛 Inconsistent performance, some calls still get through
  • 🔍 Incomplete database of known scammers
  • 💰 Paid version required for full functionality
Truecaller: Premium Caller ID#3

Truecaller: Premium Caller ID by True Software Scandinavia AB

Spam & Scam Phone Call Blocker
Worth Considering
🔧 Utilities
4.4😞(252K ratings)
FreeAdsIn-App Purchases
#48in Utilities
Truecaller: Premium Caller ID screenshot 1
Truecaller: Premium Caller ID screenshot 2
Truecaller: Premium Caller ID screenshot 3
Truecaller: Premium Caller ID screenshot 4
Truecaller: Premium Caller ID screenshot 5
Truecaller: Premium Caller ID screenshot 6

Identify unknown callers and block spam calls and texts. This app uses AI and community data to screen calls, identify callers, and offers an AI assistant for call screening. Premium features include ad removal, unlimited lookups, and profile insights.

What We Love

  • 🚀 Blocks spam calls
  • 💡 Useful caller ID feature
  • 👍 Helps identify scammers

Room to Improve

  • 🐛 Inconsistent performance
  • 🔒 Privacy concerns with data collection
  • 💰 Expensive premium subscription

More Block Caller apps to explore

4
Verizon Call Filter
Verizon Call Filter
Verizon Call Filter
Put an end to mystery calls
Free

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.

Identify suspected spam callsAutomatically block high-risk spamReport phone numbers as spam
🔧 Utilities
(300K)
free with in-app purchases
5
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Robokiller: Spam Call Blocker
Stop 99% of Robocalls & Texts
Free

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.

Blocks 99% of spam calls and textsAI-powered audio fingerprintingAnswer Bots for robocaller revenge
🔧 Utilities
(414K)
free with in-app purchases
6
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
(238K)
free with in-app purchases
7
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Whoscall: Caller ID & Block
Report scam, build community
Free

This app acts as a digital shield against scams and spam calls and messages. It uses AI and community reports to identify unknown numbers and block suspicious content. Users can also verify phone numbers, URLs, and screenshots to enhance their online safety.

Caller ID & BlockerSmart SMS AssistantNumber, URL, Screenshot Verification
🔧 Utilities
(3K)
free with in-app purchases
8
Showcaller Caller ID Block
Showcaller Caller ID Block
Showcaller Caller ID Block
by Tumada Anushaaben
Free
🔧 Utilities
(0)
9
Truecaller - Caller ID & Block
Truecaller - Caller ID & Block
Truecaller - Caller ID & Block
Spam & Scam Phone Call Blocker
Free

Identify unknown callers, block spam and scam calls, and filter unwanted SMS messages. This app provides real-time spam protection and smart contact management for safer, more organized communication.

Identify unknown callersBlock spam and scam callsFilter unwanted SMS
🔧 Utilities
(4)
free with in-app purchases
10
CallerIDBlock
CallerIDBlock
CallerIDBlock
by Balvant Manvar
Free
🌟 Lifestyle
(0)
11
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Show Caller Name & Block Spam
Know whos calling Scam blocker
Free

Identify unknown callers and block spam calls with real-time caller ID. Search any number to find the caller's name, identity, and even photos. This app also offers smart contact management and offline functionality.

Real ID Caller NameSpam and fraud call protectionPhone number identification
🔧 Utilities
(136)
free with in-app purchases
12
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Mr. Number Lookup & Call Block
Identify callers quickly
Free

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.

Identify unknown callersBlock specific phone numbersSpam detection and blocking
🔧 Utilities
(100K)
free with in-app purchases
13
Show Caller ID & Spam Block
Show Caller ID & Spam Block
Show Caller ID & Spam Block
Show True Id & Spam Blocker
Free
🔧 Utilities
(0)
14
Caller ID :Spam Call & Blocker
Caller ID :Spam Call & Blocker
Caller ID :Spam Call & Blocker
Block Spam, Identify Callers
Free
🔧 Utilities
(0)
15
BlackList: caller ID & blocker
BlackList: caller ID & blocker
BlackList: caller ID & blocker
Ultimate call filter
Free

Filter unwanted calls with a personal blocking list and caller ID. Easily manage your contacts to block telemarketers and identify incoming calls. Protect your phone from nuisance callers.

Personal blocking list managementCaller ID for incoming callsBlock unwanted callers
🔧 Utilities
(71)
free with in-app purchases
16
Spam Call Blocker: True Caller
Spam Call Blocker: True Caller
Spam Call Blocker: True Caller
Block Telemarketers, Robocalls
Free
🔧 Utilities
(0)
17
T-Mobile Scam Shield
T-Mobile Scam Shield
T-Mobile Scam Shield
Your call control center.
Free

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.

Scam BlockScam ReportingCaller ID
🔧 Utilities
(208K)
free
18
Caller ID Spam Call Blocker
Caller ID Spam Call Blocker
Caller ID Spam Call Blocker
Reverse Phone Lookup & Search
Free

Identify unknown callers, block spam and scams, and discover how contacts are tagged by the community. This app provides a cleaner, safer communication experience with advanced caller ID and SMS filtering.

Caller ID for unknown numbersReverse phone lookupSpam and scam blocking
🔧 Utilities
(1)
freemium
19
Dual Tele ID Caller App Block
Dual Tele ID Caller App Block
Dual Tele ID Caller App Block
Use Dual Tele App & Spam calls
Free
🔧 Utilities
(0)
20
Spam Call Blocker • Caller ID
Spam Call Blocker • Caller ID
Spam Call Blocker • Caller ID
Stop Robocalls & SMS Filter
Free

Instantly block unwanted calls and filter spam texts with advanced detection technology. Identify unknown callers in real-time and protect your personal data with a privacy-first design. Enjoy a cleaner, safer communication experience.

Automatic call blockingReal-time caller IDIntelligent SMS filtering
🔧 Utilities
(2)
free with in-app purchases

FAQ about Block Caller

What are the best block caller apps for iPhone?
TrapCall: Reveal No Caller ID tops our block caller apps ranking as of August 2026, with a 4.2-star average from 26K App Store ratings, and it's free to download.
Yes — 20 of the top block caller apps we rank are free to download, including TrapCall: Reveal No Caller ID and Call Blocker.
TrapCall: Reveal No Caller ID has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 237+ block caller apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
TrapCall helps you identify and manage unwanted calls. It unmasks blocked or 'No Caller ID' calls, allowing you to see who is calling. Additionally, it automatically blocks a large database of known spam callers and telemarketers, and can record your incoming calls for evidence.
When you receive a blocked or 'No Caller ID' call, simply decline the call. TrapCall will then process the call and within seconds, the call will return to your phone with the caller's number unmasked. You can even receive the name and address associated with the number instantly via SMS.

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