Best Free Scam Call Blocker Apps

4.7😐(208K ratings)

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.

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

Call Control: #1 Call Blocker by Call Control, LLC

Block Spam Calls & Robo Calls

Strong Contender

4.5😞(6.7K ratings)

FreeAdsIn-App Purchases

Call Control: #1 Call Blocker screenshot 1

Call Control: #1 Call Blocker screenshot 2

Call Control: #1 Call Blocker screenshot 3

Call Control: #1 Call Blocker screenshot 4

Call Control: #1 Call Blocker screenshot 5

Call Control: #1 Call Blocker screenshot 6

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.

What We Love

👍 Excellent call blocking capabilities
🚀 Effective at reducing spam calls
💡 Useful call identification features

Room to Improve

🐛 Compatibility issues with newer iOS versions
🔒 Concerns about privacy and data sharing
⚠️ Inconsistent performance and reliability

Hiya: Spam Blocker by Hiya

AI fraud & spam protection

Worth Considering

Put an end to mystery calls

4.5😐(238K ratings)

FreeIn-App Purchases

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
🕰️ Requires manual reporting of spam numbers

More Free Scam Call Blocker apps to explore

Verizon Call Filter

Identify suspected spam callsAutomatically block high-risk spamReport phone numbers as spam

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.

(336K)

Getcontact: Spam Caller ID

Scam robo call, text blocker

Caller identification for unknown numbersSpam call and message blockingSMS inbox cleanup

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.

(61K)

Robokiller: Spam Call Blocker

Stop 99% of Robocalls & Texts

Blocks 99% of spam calls and textsAI-powered audio fingerprintingAnswer Bots for robocaller revenge

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.

(415K)

YouMail: Spam Call Blocker

Protect Your Phone Number

Spam call blockingRobocall blockingCaller ID for unknown numbers

Block unwanted spam calls and texts, identify unknown callers, and protect your online privacy. This app helps you regain control of your phone number by reducing your digital footprint and screening suspicious calls.

(100K)

Caller ID Spam Call Blocker

Reverse Phone Lookup & Search

Caller ID for unknown numbersReverse phone lookupSpam and scam blocking

Identify unknown callers, block spam and scams, and discover how contacts are tagged by the community. This app provides a cleaner, safer communication experience with advanced caller ID and SMS filtering.

Antispam & Call Identification

Spam Call Blocker: Caller ID.

(0)

Scam Number Lookup & Case Log

Offline-first caller intelligenceTransparent on-device risk assessmentCustomizable blocking rules

This app provides on-device caller intelligence and scam defense. It allows you to look up numbers, understand their risk through transparent signals, and block unwanted callers privately. Your data is stored locally, ensuring no contact uploads or crowdsourced databases are used.

📊 Productivity

Seraphone: Scam Call Guard

AI assistant answers for you

AI call answeringScam and robocall screeningReal-time call handling

This AI assistant answers your phone calls, screening out scams and robocalls while letting trusted contacts through. It provides summaries of conversations and can handle messages for you. Protect your family and business from unwanted calls.

VoxSafe Phone Scam Protection

Tells you when to hang up

Real-time suspicious call detectionInstant family alerts for scamsStops impersonation fraud

This app analyzes phone calls in real-time to detect scam tactics, pressure language, and requests for money or personal information. It provides an instant alert if a call appears suspicious, allowing you to continue your conversation with added security. Optionally, it can notify a family member of detected scams.

(3)

RealCall - Spam Call Blocker

Robo call blocker scam shield

AI-powered spam call blockingFraud SMS detectionCustom blocklist and whitelist

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.

Call Protect: Robocall Blocker

(27K)

freemium

Caller ID & Spam Call Blocker

Automatic spam call filterCaller ID for risky numbersReverse phone lookup

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.

(32K)

Block telemarketing and spam numbersCreate custom blocking patternsBlock up to 10,000 numbers per pattern

Phone Blocker Pro

Block spam and robocalls

$2.99

Block unwanted telemarketing and spam calls with custom patterns. This tool allows you to block large sets of numbers matching specific criteria while still allowing calls from unknown numbers.

(0)

paid

Safe Line: Call Blocker

Spam Calls

Block spam calls instantlyProtect from scammersManage subscriptions

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.

TraceID: Unmask & Block Calls

Reveal Unknown Phone Numbers

Real-time spam call protectionSpam text filteringReveal hidden callers

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.

💼 Business

(3)

Prefixly - Block Spam Calls

Block spam calls by prefix

Block by prefix for thousands of numbersCustom labels on incoming callsToggle prefixes on/off

This app blocks unwanted calls by identifying and blocking entire ranges of numbers based on their prefix. It offers custom labels for incoming calls and operates entirely on-device for enhanced privacy.

True Call ID: Spam Blocker

free

Reverse Phone Number Lookup

Risk Caller: Spam Call Shield

(0)

Caller ID & Identify Spam Call

Caller ID with category labelingSpam and scam call identificationCommunity-driven database

This app acts as an intelligent barrier against unwanted calls, identifying the caller's category before you answer. It uses a vast database and community-driven reports to detect spam, telemarketing, and scam calls, offering peace of mind.