Best Block Phone Number Apps

242+ iOS apps curated and reviewed

4.2 avg rating
19 free apps
Updated August 2026

If you already know Mr. Number Lookup & Call Block, this is the deeper bench. 242+ block phone number apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of August 2026.

Compare top Block Phone Number Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Mr. Number Lookup & Call BlockMr. Number Lookup & Call BlockFree4.6★ (100K)NoYesAug 2026
2Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesAug 2026
3Burner: Second Phone NumberBurner: Second Phone NumberFree4.7★ (93K)NoYesAug 2026
4Simple Call BlockerSimple Call BlockerFree4.2★ (3K)NoNoAug 2026
5TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (25K)YesYesAug 2026
6Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoAug 2026
7Truecaller - Caller ID & BlockTruecaller - Caller ID & BlockFree2.0★ (4)YesYesAug 2026
8Block phone numbers - BlockrBlock phone numbers - BlockrFreeNoNoMay 2026

Top Picks for Block Phone Number

Mr. Number Lookup & Call Block#1

Mr. Number Lookup & Call Block by Hiya

Identify callers quickly
Editor's Choice
🔧 Utilities
4.6😐(100K ratings)
FreeIn-App Purchases
#74in Utilities
Mr. Number Lookup & Call Block screenshot 1
Mr. Number Lookup & Call Block screenshot 2
Mr. Number Lookup & Call Block screenshot 3
Mr. Number Lookup & Call Block screenshot 4
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
Robokiller: Spam Call Blocker#2

Robokiller: Spam Call Blocker by Mosaic S.r.l.

Stop 99% of Robocalls & Texts
Strong Contender
🔧 Utilities
4.5😐(414K ratings)
FreeIn-App Purchases
#7in Utilities
Robokiller: Spam Call Blocker screenshot 1
Robokiller: Spam Call Blocker screenshot 2
Robokiller: Spam Call Blocker screenshot 3
Robokiller: Spam Call Blocker screenshot 4
Robokiller: Spam Call Blocker screenshot 5
Robokiller: Spam Call Blocker screenshot 6

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
Burner: Second Phone Number#3

Burner: Second Phone Number by Ad Hoc Labs, Inc

Private Text & Spam Blocker
Worth Considering
🔧 Utilities
4.7😞(93K ratings)
FreeIn-App Purchases
#9in Utilities
Burner: Second Phone Number screenshot 1
Burner: Second Phone Number screenshot 2
Burner: Second Phone Number screenshot 3
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Create and manage multiple private phone numbers for calls and texts. Keep your personal number secure by using disposable lines for different contacts or situations. Organize communications and block unwanted spam.

What We Love

  • 🚀 Efficient service
  • 🔒 Privacy protection
  • 👍 Convenient for business use
  • 👍 Useful for avoiding spam calls

Room to Improve

  • 🐛 Unreliable notifications
  • 🐛 Buggy after recent updates
  • 🔋 High battery consumption

More Block Phone Number apps to explore

4
Simple Call Blocker
Simple Call Blocker
Simple Call Blocker
Block phone number ranges.
Free

Block unwanted calls on your iPhone by individual numbers or entire ranges. Create an allow list for specific numbers or contacts, ensuring they never get blocked. This app prioritizes simplicity and privacy, without collecting your data.

Block individual phone numbersBlock ranges of phone numbersCreate an allow list
🔧 Utilities
(3K)
free
5
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
TrapCall: Reveal No Caller ID
Control Who Calls You & Block
Free

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.

Reveal masked caller IDsBlock spam and telemarketersRecord incoming calls
💼 Business
(25K)
free with in-app purchases
6
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
7
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
8
Block phone numbers - Blockr
Block phone numbers - Blockr
Block phone numbers - Blockr
Silence unwanted calls
Free
🔧 Utilities
(0)
9
Phone Blocker Pro
Phone Blocker Pro
Phone Blocker Pro
Block spam and robocalls
$2.99

Block unwanted telemarketing and spam calls with custom patterns. This tool allows you to block large sets of numbers matching specific criteria while still allowing calls from unknown numbers.

Block telemarketing and spam numbersCreate custom blocking patternsBlock up to 10,000 numbers per pattern
🔧 Utilities
(0)
paid
10
Temp Number - Receive SMS Now
Temp Number - Receive SMS Now
Temp Number - Receive SMS Now
Private Number & SMS Receiver
Free
🔧 Utilities
(0)
11
CallerIDBlock
CallerIDBlock
CallerIDBlock
by Balvant Manvar
Free
🌟 Lifestyle
(0)
12
Side Number: Phone Call + Text
Side Number: Phone Call + Text
Side Number: Phone Call + Text
2nd # with Wifi/Data Calling
Free

Obtain a secondary phone number for private calls and texts without needing an extra SIM card. This app allows you to maintain anonymity and separate personal and business communications.

Choose custom phone numbersMake private calls and send textsMMS support (US/Canada)
🔧 Utilities
(1)
free with in-app purchases
13
SmartLine Second Phone Number
SmartLine Second Phone Number
SmartLine Second Phone Number
2nd phone number for business
Free

Get a dedicated second phone number for your business to maintain privacy and professionalism. This app ensures calls are business-related, offers a spam filter, custom voicemail, and voicemail-to-text transcription. Manage your business communications efficiently with organized history and timely notifications.

Dedicated business phone numberProfessional call quality (not VoIP)Spam call filtering
💼 Business
(44K)
subscription
14
Showcaller Caller ID Block
Showcaller Caller ID Block
Showcaller Caller ID Block
by Tumada Anushaaben
Free
🔧 Utilities
(0)
15
Caller ID: spam call blocker
Caller ID: spam call blocker
Caller ID: spam call blocker
Reverse phone number lookup
Free
📊 Productivity
(0)
16
TRUE: Caller ID, Number Search
TRUE: Caller ID, Number Search
TRUE: Caller ID, Number Search
Block spam calls and SMS
Free
📊 Productivity
(0)
17
Number Book : Phone Lookup
Number Book : Phone Lookup
Number Book : Phone Lookup
Caller id who is calling
Free

Identify unknown callers and block unwanted calls from telemarketers, scammers, and spammers. Get real-time caller ID and maintain a personal blacklist for enhanced call protection.

Block robocalls and telemarketersIdentify unknown callersReal-time caller ID
🔧 Utilities
(266)
free with in-app purchases
18
Number Finder Caller ID :True
Number Finder Caller ID :True
Number Finder Caller ID :True
Reverse Phone Book Lookup Box
Free

Identify unknown callers and protect your privacy with this comprehensive reverse phone lookup tool. See who searched for your number, block spam, and manage your digital footprint. Stay safe and informed about who contacts you.

Unlimited reverse phone lookupsReal-time caller ID identificationComprehensive spam detection
🔧 Utilities
(70K)
free with in-app purchases
19
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Block spam calls by prefix
Free
🔧 Utilities
(0)
20
CallPeek: Caller ID Blocker
CallPeek: Caller ID Blocker
CallPeek: Caller ID Blocker
Block trap call, true caller
Free

Identify unknown callers, manage your contacts, and review messages. This app provides tools to look up phone numbers, organize communication, and block unwanted or spam calls for enhanced phone safety.

Identify unknown numbersManage contact listReview messages
🔧 Utilities
(10)
free with in-app purchases

FAQ about Block Phone Number

What are the best block phone number apps for iPhone?
Mr. Number Lookup & Call Block tops our block phone number apps ranking as of August 2026, with a 4.6-star average from 100K App Store ratings, and it's free to download.
Yes — 19 of the top block phone number apps we rank are free to download, including Mr. Number Lookup & Call Block and Robokiller: Spam Call Blocker.
Mr. Number Lookup & Call Block has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 242+ block phone number apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
This app helps you identify unknown callers instantly with fast phone number lookups. It also provides robust features for blocking unwanted calls, detecting and warning you about spam and scam calls, and managing your personal block list.
The app features industry-leading spam detection technology that operates in the background to protect you from robocalls. It can provide real-time alerts for incoming spam or scam calls, or automatically block them based on your settings.

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