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Best Free Call Blocker App With Automatic Spam Filter

202+ iOS apps curated and reviewed

4.3 avg rating
20 free apps
Updated June 2026

With an average user rating of 4.3★, the free call blocker app with automatic spam filter category is one of the App Store's strongest. Browse all 202+ apps we track, sorted so the most loved ones surface first.

Top Picks for Free Call Blocker App With Automatic Spam Filter

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😐(413K ratings)
FreeAdsIn-App Purchases
#8in Utilities
Robokiller: Spam Call Blocker screenshot 1
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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
Hiya: Spam Blocker#2

Hiya: Spam Blocker by Hiya Inc

Personal Call Screener
Strong Contender
🔧 Utilities
4.5😐(237K ratings)
FreeIn-App Purchases
Hiya: Spam Blocker screenshot 1
Hiya: Spam Blocker screenshot 2
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Hiya: Spam Blocker screenshot 5
Hiya: Spam Blocker screenshot 6

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.

What We Love

  • 🚀 Blocks spam calls
  • 👍 Useful for identifying scam/fraud numbers
  • 🔒 Provides security against unwanted calls
  • 🤖 Reduces number of robocalls

Room to Improve

  • 🐛 Inconsistent performance, sometimes lets spam through
  • 💰 Paid subscription required for full functionality
  • 🔍 Lookup feature not always accurate
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
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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 App With Automatic Spam Filter apps to explore

4
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
(354)
free with in-app purchases
5
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
6
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
SpamSafe: Spam Call Blocker
Lookup & Block Unknown Numbers
Free

Block unwanted calls and messages with advanced caller ID, filtering, and a customizable blacklist. Protect yourself from spam, robocalls, and scams with real-time detection and defense.

Spam call blockerReal-time caller IDIntelligent call filter
🔧 Utilities
(4.6K)
free with in-app purchases
7
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
(99K)
free with in-app purchases
8
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
9
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Truecaller: Premium Caller ID
Spam Blocker・Phone Call Filter
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
(251K)
free with in-app purchases
10
Xfinity Call Guard
Xfinity Call Guard
Xfinity Call Guard
by Comcast Interactive Media
Free

Protect your phone from unwanted calls with real-time spam alerts and customizable blocking options. Identify unknown callers and manage your call security with insights and reporting features. Requires a Xfinity Mobile Premium Unlimited plan.

Real-time spam call alertsPersonalized call blockingNeighborhood filter
🔧 Utilities
(89)
free
11
Spam Shield: Scam Call Blocker
Spam Shield: Scam Call Blocker
Spam Shield: Scam Call Blocker
Reverse Phone Caller ID Lookup
Free

Block unwanted robocalls and spammers with an extensive global database and AI-powered identification. This app helps you avoid annoying calls while ensuring you don't miss important ones, all while protecting your privacy by not accessing your contacts.

Automatic spam and scam call blockingReverse phone number lookupAI-assisted identification of new spam numbers
🔧 Utilities
(111)
subscription
12
Call Protect Spam Call Blocker
Call Protect Spam Call Blocker
Call Protect Spam Call Blocker
Scam Shield, Caller ID Look Up
Free

Block unwanted spam calls and messages with advanced identification and filtering. Enhance your mobile security with Wi-Fi checks and data breach alerts. Take control of your privacy and enjoy a cleaner, safer communication experience.

Block spam callsIdentify unknown callersFilter junk SMS
📊 Productivity
(2.8K)
subscription
13
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
14
Getcontact
Getcontact
Getcontact
Caller ID & Spam Blocker
Free

This app helps you identify unknown callers and block unwanted spam calls and messages. It filters your communications, allowing you to focus on genuine conversations and maintain privacy with secure, encrypted chat features.

Caller identification for unknown numbersSpam call and message blockingSMS inbox cleanup
🔧 Utilities
(59K)
free with in-app purchases
15
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Robo Shield: AI Spam Filter
Block Unknown Caller ID Scams
Free

This app uses artificial intelligence to screen incoming calls, distinguishing legitimate calls from spam, robo callers, and scams. It acts as a personal call assistant, identifying unknown callers and providing detailed information about each call.

AI-powered call screeningIdentifies spam, unverified, and verified callsAdvanced Caller ID with call categorization
🔧 Utilities
(54)
subscription
16
Line2 - Second Phone Number
Line2 - Second Phone Number
Line2 - Second Phone Number
Calls, Texts, & SMS Messaging
Free

This app provides a second phone number for calls and texts, enhancing privacy and communication. It offers features like call screening, blocking, and unlimited messaging over Wi-Fi, eliminating the need for cellular data.

Second phone numberUnlimited calls and textsCall screening and blocking
📊 Productivity
(20K)
free with in-app purchases
17
WideProtect Spam Call Blocker
WideProtect Spam Call Blocker
WideProtect Spam Call Blocker
Stop scam, fraud, spoofing
Free

Block unwanted calls from telemarketers, scammers, and spoofed numbers. Easily add prefixes to block millions of numbers and entire area codes. Works offline with no registration required.

Block by number prefixesBlock entire area codesWorks offline
🔧 Utilities
(2.3K)
free with in-app purchases
18
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Robo Spam Text & Call Blocker
Block & Filter Message Spammer
Free

This app provides immediate relief from robocalls, telemarketing, and spam text messages. It blocks unwanted calls and messages, including those using neighbor spoofing, and also prevents spam and ads in your Safari web browser. Enjoy a risk-free trial before subscribing to a service that reduces unwanted calls by up to 99%.

Blocks robocalls and telemarketing callsFilters spam text messagesBlocks Safari browser ads and popups
🔧 Utilities
(5K)
free with in-app purchases
19
True: Call ID &Number Search
True: Call ID &Number Search
True: Call ID &Number Search
Whos Calling & Photos
Free

Identify unknown callers and block unwanted spam calls with a vast, community-driven database. Get real-time caller information, perform reverse phone lookups, and manage your call history with smart search. Take control of your communication and ensure privacy and security.

Identify caller IDBlock spam callsReverse phone lookup
🔧 Utilities
(3.1K)
ad-supported
20
textPlus: Text Message + Call
textPlus: Text Message + Call
textPlus: Text Message + Call
2nd Phone Number Unlimited SMS
Free

Get a free US phone number for unlimited texting and calling over WiFi or data. Save money on mobile plans by using this app to connect with friends and family globally. Offers inexpensive outbound calls and can turn tablets into phones.

Free US phone numberUnlimited free texting (SMS, MMS, group chat)Free inbound calls
🔧 Utilities
(270K)
free with in-app purchases