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Best Free Call Blocker Apps

249+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated August 2026

Looking for free free call blocker apps? 20 of our 249+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Free Call Blocker 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
3Simple Call BlockerSimple Call BlockerFree4.2★ (3K)NoNoAug 2026
4PhonePhoneFree4.0★ (8.5K)NoNoAug 2026
5Call Protect: Robocall BlockerCall Protect: Robocall BlockerFree4.5★ (31K)YesYesAug 2026
6Hiya: Spam BlockerHiya: Spam BlockerFree4.5★ (237K)NoYesAug 2026
7Call Control: #1 Call BlockerCall Control: #1 Call BlockerFree4.5★ (6.4K)YesYesAug 2026
8Safe Line: Call BlockerSafe Line: Call BlockerFree3.0★ (1)NoYesMay 2026

Top Picks for Free Call Blocker

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
#8in 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
#93in Utilities
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
Simple Call Blocker#3

Simple Call Blocker by Michael Descy

Block phone number ranges.
Worth Considering
🔧 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

More Free Call Blocker apps to explore

4
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
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
(31K)
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
(237K)
free with in-app purchases
7
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
8
Safe Line: Call Blocker
Safe Line: Call Blocker
Safe Line: Call Blocker
Spam Calls
Free

This app helps you avoid unwanted spam and scam calls by instantly blocking them. Protect yourself from bothersome callers with an easy-to-use blocking feature. Manage your subscriptions and privacy through your app store settings.

Block spam calls instantlyProtect from scammersManage subscriptions
🔧 Utilities
(1)
free with in-app purchases
9
SafeTact Blocker
SafeTact Blocker
SafeTact Blocker
Antispam & Call Identification
Free
🔧 Utilities
(0)
10
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
11
spamfilter.call.blocker
spamfilter.call.blocker
spamfilter.call.blocker
by Robert Meyer
Free
🔧 Utilities
(0)
12
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
13
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
14
Sereniphone: Spam Call Blocker
Sereniphone: Spam Call Blocker
Sereniphone: Spam Call Blocker
Caller ID filter, scam killer
Free

Block unwanted calls, including robocalls and spammers, with this privacy-focused iPhone app. It identifies and filters suspicious numbers before you answer, with an option for premium features like automatic updates and unlimited blocking.

Block unwanted callsIdentify spam, fraud, and robocallsCustom caller ID labels
🔧 Utilities
(0)
free with in-app purchases
15
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
16
Stop Spam: Call Blocker
Stop Spam: Call Blocker
Stop Spam: Call Blocker
Powerful Call Blocker & Filter
Free
🔧 Utilities
(0)
17
AntiSpam: Call Blocker
AntiSpam: Call Blocker
AntiSpam: Call Blocker
Block Phone Numbers &Caller ID
Free

Block unwanted calls, including spam, telemarketing, and anonymous numbers. This app provides peace of mind by silently rejecting calls from your blacklist or unknown callers not in your contacts.

Block unwanted callsCaller ID and spam blockingBlacklist and reject calls
🔧 Utilities
(2)
free with in-app purchases
18
Block Spam Call & Fast Blocker
Block Spam Call & Fast Blocker
Block Spam Call & Fast Blocker
Stop Robocalls & Scam Shield
Free

This app helps you manage your calls, links, and contacts. It identifies unknown callers, scans suspicious URLs, and cleans up your contact list to keep your phone secure and organized.

Smart call identificationURL scannerContact cleaner
🔧 Utilities
(8)
free with in-app purchases
19
Spam Call Blocker: True Caller
Spam Call Blocker: True Caller
Spam Call Blocker: True Caller
Block Telemarketers, Robocalls
Free
🔧 Utilities
(0)
20
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Prefixly - Block Spam Calls
Block spam calls by prefix
Free
🔧 Utilities
(0)

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Explore related topics

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FAQ about Free Call Blocker

What are the best free call blocker apps for iPhone?
Robokiller: Spam Call Blocker tops our free call blocker 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 249+ free call blocker 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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