Best Phone Number Blocker Apps

242+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Out of 242+ phone number blocker 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 Phone Number Blocker Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Simple Call BlockerSimple Call BlockerFree4.2★ (3K)NoNoAug 2026
2Burner: Second Phone NumberBurner: Second Phone NumberFree4.7★ (93K)NoYesAug 2026
3Block phone numbers - BlockrBlock phone numbers - BlockrFreeNoNoMay 2026
4TrapCall: Reveal No Caller IDTrapCall: Reveal No Caller IDFree4.2★ (25K)YesYesAug 2026
5Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoAug 2026
6Call Control: #1 Call BlockerCall Control: #1 Call BlockerFree4.5★ (6.4K)YesYesAug 2026
7Call ID - Call BlockerCall ID - Call BlockerFree4.4★ (8K)NoYesAug 2026
8Sync.me - Caller ID & BlockerSync.me - Caller ID & BlockerFree4.4★ (22K)YesYesAug 2026

Top Picks for Phone Number Blocker

Simple Call Blocker#1

Simple Call Blocker by Michael Descy

Block phone number ranges.
Editor's Choice
🔧 Utilities
4.2😐(3K ratings)
Free
Simple Call Blocker screenshot 1
Simple Call Blocker screenshot 2
Simple Call Blocker screenshot 3
Simple Call Blocker screenshot 4
Simple Call Blocker screenshot 5
Simple Call Blocker screenshot 6

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.

What We Love

  • 🚀 Simple and effective
  • 🔒 Respects user privacy
  • 👍 Blocks range of numbers
  • 👍 Stops spam calls

Room to Improve

  • 🐛 Calls not always blocked
  • 🐛 Blocker loading failed
  • 🐛 Doesn't work on all devices
Burner: Second Phone Number#2

Burner: Second Phone Number by Ad Hoc Labs, Inc

Private Text & Voice Calls
Strong Contender
🔧 Utilities
4.7😞(93K ratings)
FreeIn-App Purchases
#8in Utilities
Burner: Second Phone Number screenshot 1
Burner: Second Phone Number screenshot 2
Burner: Second Phone Number screenshot 3
Burner: Second Phone Number screenshot 4
Burner: Second Phone Number screenshot 5
Burner: Second Phone Number screenshot 6

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 Phone Number Blocker apps to explore

4
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
5
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
6
Call Control: #1 Call Blocker
Call Control: #1 Call Blocker
Call Control: #1 Call Blocker
Block Spam Calls & Robo Calls
Free

This app automatically blocks unwanted calls from spammers, telemarketers, and robocallers using smart technology. It allows users to create personal blocklists and offers a free reverse lookup feature. Protect your phone from scams and unwanted interruptions.

Smart blocking technologyAutomatic spam call blockingPersonal blocklist
🔧 Utilities
(6.4K)
free with in-app purchases
7
Call ID - Call Blocker
Call ID - Call Blocker
Call ID - Call Blocker
Verified Caller, Block Spamers
Free

Identify unknown callers in real-time and block unwanted numbers before they ring. This app uses a local database of known spam numbers and community reports to protect you from robocalls, telemarketers, and scams. Enjoy uninterrupted calls and enhanced privacy.

Live Caller ID for unknown numbersBlock robocalls, telemarketers, and scamsLocal database of 14,000+ spam numbers
🔧 Utilities
(8K)
free with in-app purchases
8
Sync.me - Caller ID & Blocker
Sync.me - Caller ID & Blocker
Sync.me - Caller ID & Blocker
Identify Spam & Scam Calls
Free

Identify unknown callers in real-time, block spam automatically, and keep your contacts updated with real photos. Search any number worldwide and manage your address book with smart tools.

Live caller IDAutomatic spam blockingReverse number lookup
🌐 Social Networking
(22K)
free with in-app purchases
9
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
10
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
11
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
12
Pinger: Call Plus Texting App
Pinger: Call Plus Texting App
Pinger: Call Plus Texting App
Text + Now Unlimited Calling
Free

This app provides a free U.S. phone number for unlimited calling and texting to the U.S., Canada, and Mexico. It offers features like voicemail, group chat, and MMS messaging, functioning as a reliable alternative to a traditional phone line.

Free U.S. phone numberUnlimited callingFree texting (SMS)
🔧 Utilities
(69K)
free with in-app purchases
13
Call Blocker
Call Blocker
Call Blocker
Identify & Block spam calls
Free

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.

Block any phone numberIdentify commercial callsReport suspicious numbers
🔧 Utilities
(1.2K)
free with in-app purchases
14
Side Number: Phone Call + Text
Side Number: Phone Call + Text
Side Number: Phone Call + Text
2nd # with Wifi/Data Calling
Free
🔧 Utilities
(0)
15
My2ndNum: Second Phone Number
My2ndNum: Second Phone Number
My2ndNum: Second Phone Number
2nd Phone Number & Second Line
Free
🔧 Utilities
(0)
16
Ghost - Second Phone Number
Ghost - Second Phone Number
Ghost - Second Phone Number
Private Text & Call
Free

Get a private, local phone number to stop spam and protect your identity. Receive texts, make unlimited calls, and use a temporary number for online sign-ups and transactions without revealing your real number.

Temporary phone numberUnlimited callsSMS verification codes
🔧 Utilities
(7.7K)
subscription
17
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
18
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
19
CallApp
CallApp
CallApp
Caller ID & Spam Call Blocker
Free

Identify unknown callers and block unwanted calls with an advanced caller ID. Access a global database of billions of numbers to know who is calling before you answer. Protect your privacy and security with this powerful call management tool.

Advanced caller IDIdentify unknown numbersBlock spam calls
🔧 Utilities
(571)
free with in-app purchases
20
Inovo Second Number
Inovo Second Number
Inovo Second Number
Virtual Phone Number, 2nd line
Free
🔧 Utilities
(0)

FAQ about Phone Number Blocker

What are the best phone number blocker apps for iPhone?
Simple Call Blocker tops our phone number blocker apps ranking as of August 2026, with a 4.2-star average from 3K App Store ratings, and it's free to download.
Yes — 20 of the top phone number blocker apps we rank are free to download, including Simple Call Blocker and Burner: Second Phone Number.
Simple Call Blocker has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 242+ phone number blocker apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Simple Call Blocker is a utility app for iPhones that allows you to block unwanted phone calls. You can block specific numbers or entire ranges of numbers. It also offers an allow list feature to ensure certain numbers are never blocked.
Yes, a key feature of Simple Call Blocker is its ability to block ranges of phone numbers. This is particularly useful for preventing 'neighbor spam' or other calls from a specific series of numbers. This functionality is offered for free.