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Best Spam Call Blocker Free Apps

242+ iOS apps curated and reviewed

4.5 avg rating
20 free apps
Updated August 2026

Every iPhone needs a few good spam call blocker free apps. We benchmark 242+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top Spam Call Blocker 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)NoNoAug 2026
4Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (238K)NoYesAug 2026
5Call Protect: Robocall BlockerCall Protect: Robocall BlockerFree4.5★ (32K)YesYesAug 2026
6PhonePhoneFree4.0★ (8.5K)NoNoAug 2026
7YouMail: Spam Call BlockerYouMail: Spam Call BlockerFree4.7★ (99K)YesYesAug 2026
8Truecaller: Premium Caller IDTruecaller: Premium Caller IDFree4.4★ (252K)YesYesAug 2026

Top Picks for Spam Call Blocker 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
#9in 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 Spam Call Blocker 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
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
6
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
7
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
8
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
9
CallSense·Scam&Spam Protection
CallSense·Scam&Spam Protection
CallSense·Scam&Spam Protection
by Profitsystem export, UAB
Free

This app identifies unknown callers, blocks spam, and filters unwanted messages to protect your daily communication. It uses community-powered intelligence and custom block lists for safer interactions.

Smart caller identificationSpam call blockingSuspicious number alerts
🔧 Utilities
(9)
free with in-app purchases
10
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
11
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Textkiller - Spam Text Blocker
Block Unwanted Messages
Free

This app automatically blocks unwanted spam text messages, protecting you from scams and telemarketing. It offers customizable filtering options, a constantly updated global block list, and a privacy-first approach to keep your inbox clean and your personal information secure.

Automatic spam text eliminationGlobal block list updated constantlyPredictive SMS blocking algorithm
🔧 Utilities
(13K)
free with in-app purchases
12
Spam Sniper - Block Spam Calls
Spam Sniper - Block Spam Calls
Spam Sniper - Block Spam Calls
Crowdsource Spam Call Blocker
Free
📊 Productivity
(0)
13
Showcaller Caller ID Block
Showcaller Caller ID Block
Showcaller Caller ID Block
by Tumada Anushaaben
Free
🔧 Utilities
(0)
14
SpamShield - Spam Blocker
SpamShield - Spam Blocker
SpamShield - Spam Blocker
by MOBILEXAPPS MB
Free
🔧 Utilities
(0)
15
Spam Zero: Spam Call Blocker
Spam Zero: Spam Call Blocker
Spam Zero: Spam Call Blocker
One tap to block 1M spammers!
Free

Block unwanted spam calls with a vast database of known spammers. This privacy-focused app keeps all blocking data on your device, ensuring your calls and contacts remain private. Enjoy smart protection that distinguishes spam from important calls with an easy setup.

Block 1M+ known spam numbersComplete privacy, no data collectionDevice-only call blocking
🔧 Utilities
(7)
free
16
Call Blocker: Caller ID, Block
Call Blocker: Caller ID, Block
Call Blocker: Caller ID, Block
Stop Spam, Robocalls & Texts
Free
🔧 Utilities
(0)
17
Nixring: Spam Call Blocker
Nixring: Spam Call Blocker
Nixring: Spam Call Blocker
Block spam calls & junk texts
Free

This app offers on-device blocking for spam calls and scam texts, ensuring your data stays private. It automatically silences known spam callers and filters junk SMS messages into a separate folder. You can whitelist trusted contacts to ensure you never miss important calls.

On-device spam call blockingJunk and scam text filteringAutomatic blocklist updates (Pro)
🔧 Utilities
(1)
freemium
18
Text Spam Shield
Text Spam Shield
Text Spam Shield
by Hady Abouelleil
Free
🔧 Utilities
(0)
19
Gatekeeper: SMS & Call Blocker
Gatekeeper: SMS & Call Blocker
Gatekeeper: SMS & Call Blocker
Spam SMS & Call Blocker
Free

This app acts as an AI-powered shield against unwanted SMS and calls. It uses advanced pattern recognition and local processing to filter spam, telemarketing, and phishing attempts without collecting your data.

AI-driven spam detectionSmart pattern recognitionCustom SMS blacklist
🔧 Utilities
(6)
free
20
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

FAQ about Spam Call Blocker Free

What are the best spam call blocker free apps for iPhone?
Robokiller: Spam Call Blocker tops our spam call blocker 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 242+ spam call blocker 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.

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robokiller: spam call blocker free