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Best Block Spam Calls Free Apps

248+ iOS apps curated and reviewed

4.6 avg rating
20 free apps
Updated August 2026

Out of 248+ block spam calls free 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 Spam Calls Free Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Robokiller: Spam Call BlockerRobokiller: Spam Call BlockerFree4.5★ (414K)NoYesAug 2026
2Verizon Call FilterVerizon Call FilterFree4.7★ (300K)NoNoAug 2026
3T-Mobile Scam ShieldT-Mobile Scam ShieldFree4.7★ (208K)NoNoSep 2026
4Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesAug 2026
5PhonePhoneFree4.0★ (8.5K)NoNoAug 2026
6YouMail: Spam Call BlockerYouMail: Spam Call BlockerFree4.7★ (99K)YesYesAug 2026
7Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesAug 2026
8RealCall - Spam Call BlockerRealCall - Spam Call BlockerFree4.5★ (25K)NoYesAug 2026

Top Picks for Block Spam Calls Free

Robokiller: Spam Call Blocker#1

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

Stop 99% of Robocalls & Texts
Editor's Choice
🔧 Utilities
4.5😐(414K ratings)
FreeIn-App Purchases
#10in 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
Verizon Call Filter#2

Verizon Call Filter by Verizon Wireless

Put an end to mystery calls
Strong Contender
🔧 Utilities
4.7😐(300K ratings)
Free
Verizon Call Filter screenshot 1
Verizon Call Filter screenshot 2
Verizon Call Filter screenshot 3
Verizon Call Filter screenshot 4
Verizon Call Filter screenshot 5

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.

What We Love

  • 🚀 Blocks spam calls
  • 🔒 Helps reduce spam
  • 👍 Works well for some users
  • ⭐️ Useful tool

Room to Improve

  • 🐛 Doesn't block all spam calls
  • 🔒 Blocks legitimate calls
  • 💰 Paid version required for full functionality
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
T-Mobile Scam Shield screenshot 4
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 Block Spam Calls Free apps to explore

4
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
5
Phone
Phone
Phone
by Apple
Free

This app consolidates all your calling needs, including standard phone calls, FaceTime audio, and video calls. It offers advanced features like voicemail transcription, call recording, and intelligent call screening to manage your communications efficiently.

Unified calls (phone, FaceTime audio/video)Voicemail transcription and summariesLive call recording
🔧 Utilities
(8.5K)
free
6
YouMail: Spam Call Blocker
YouMail: Spam Call Blocker
YouMail: Spam Call Blocker
Protect Your Phone Number
Free

This app blocks unwanted robocalls and spam texts, offering safer communication. It provides a free tier with basic blocking and a privacy scan, with premium options for enhanced protection and an additional phone number.

Robocall blockingSpam text blockingSafer visual voicemail
🔧 Utilities
(99K)
free with in-app purchases
7
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam & Scam Phone Call Blocker
Free

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.

Identify unknown callersBlock spam calls and SMSAI-powered call screening
🔧 Utilities
(252K)
free with in-app purchases
8
RealCall - Spam Call Blocker
RealCall - Spam Call Blocker
RealCall - Spam Call Blocker
Robo call blocker scam shield
Free

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.

AI-powered spam call blockingFraud SMS detectionCustom blocklist and whitelist
🔧 Utilities
(25K)
freemium
9
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
10
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Call Protect: Robocall Blocker
Caller ID & Spam Call Blocker
Free

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.

Automatic spam call filterCaller ID for risky numbersReverse phone lookup
🔧 Utilities
(32K)
free with in-app purchases
11
Spam Call Blocker - Protect
Spam Call Blocker - Protect
Spam Call Blocker - Protect
Block Unknown Callers－Contacts
Free

This app helps you block unwanted calls from scammers, spammers, telemarketers, and unknown numbers. It uses an advanced algorithm and user reports to identify and block spam, giving you control over who can contact you.

Block spam callsBlock telemarketersBlock unknown callers
🔧 Utilities
(1.9K)
subscription
12
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Block spam calls by prefix
Free
🔧 Utilities
(0)
13
Silencer: Block Spam Calls
Silencer: Block Spam Calls
Silencer: Block Spam Calls
Block Spam Calls Automatically
Free
🔧 Utilities
(0)
14
Telosafe: AI Spam Call Blocker
Telosafe: AI Spam Call Blocker
Telosafe: AI Spam Call Blocker
Catch Scammers in the Act
Free
🔧 Utilities
(0)
15
TraceID: Unmask & Block Calls
TraceID: Unmask & Block Calls
TraceID: Unmask & Block Calls
Reveal Unknown Phone Numbers
Free

This app acts as a shield against unwanted calls and texts, using AI and a global spam radar to identify and block scams. It can reveal the true number behind blocked or anonymous calls, helping you report harassment and regain control of your phone.

Real-time spam call protectionSpam text filteringReveal hidden callers
💼 Business
(3)
free with in-app purchases
16
Smart Call Blocker
Smart Call Blocker
Smart Call Blocker
Pattern-based call blocker
Free

Block unwanted calls with surgical precision using pattern matching. Define rules with wildcards to block entire number ranges, offering robust privacy and control over incoming calls. Works offline and at the system level for seamless protection.

Pattern matching with wildcardsBlock number rangesSystem-level blocking via CallKit
🔧 Utilities
(2)
freemium
17
Call ID Plus
Call ID Plus
Call ID Plus
Contact & Call Task Manager
Free
📊 Productivity
(0)
18
Smart Caller ID & Spam Blocker
Smart Caller ID & Spam Blocker
Smart Caller ID & Spam Blocker
Block Spam & Identify Callers
Free
🔧 Utilities
(0)
19
Antivirus & Ad Block :Privax
Antivirus & Ad Block :Privax
Antivirus & Ad Block :Privax
DNS Firewall & Phone Security
Free

This app acts as a DNS firewall and phone security tool, blocking unwanted connections at the DNS level. It prevents ads, trackers, and harmful websites from loading, offering enhanced privacy and control over internet access.

DNS-level ad and tracker blockingProtection against malicious websitesFocus Mode for restricted internet access
🔧 Utilities
(2)
freemium
20
Dialtone: Free & Paid calls; Yellow pages.
Dialtone: Free & Paid calls; Yellow pages.
Dialtone: Free & Paid calls; Yellow pages.
by Dialtone Labs Inc
Free

Connect with professionals and monetize your conversations. Set your price per minute for calls and messages, and earn revenue by sharing your expertise or engaging in topics you're passionate about. It's a marketplace for communication where everyone has something valuable to offer.

Monetize calls and messagesSet custom rates per minute/messageAvailability calendars
💼 Business
(1)
free

FAQ about Block Spam Calls Free

What are the best block spam calls free apps for iPhone?
Robokiller: Spam Call Blocker tops our block spam calls free apps ranking as of August 2026, with a 4.5-star average from 414K App Store ratings, and it's free to download.
Robokiller: Spam Call Blocker has no ads and offers in-app purchases, according to its App Store listing as of August 2026.
We track 248+ block spam calls free apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
Robokiller is designed to eliminate up to 99% of spam calls and text messages. It uses a global database of known spam numbers and AI-powered audio fingerprinting to identify and block unwanted communications. The app also offers features to annoy spammers and protect your personal information.
It employs a multi-pronged approach. A global database of 1.4 billion analyzed calls instantly protects against known scams. Additionally, patented audio fingerprinting technology uses machine learning to identify and block annoying, unwanted calls before they ring your phone.