Best Call Blocker Unknown Apps

4.5😐(1.2K ratings)

FreeAdsIn-App Purchases

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.

What We Love

🚀 Effective call blocker
👍 Easy to use
🔒 Blocks spam and scam calls
💡 Useful caller ID and lookup features

Room to Improve

🐛 Inconsistent performance, some calls still get through
🔍 Incomplete database of known scammers
💰 Paid version required for full functionality
📱 Doesn't integrate well with phone's built-in blocking

Hiya: Spam Blocker by Hiya

AI fraud & spam protection

Strong Contender

4.5😐(238K ratings)

FreeIn-App Purchases

Identify unknown callers and block unwanted calls with AI-powered protection. Screen calls before answering, look up suspicious numbers, and receive alerts for AI-generated voices or risky requests. Enhance your phone's security and reduce spam.

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

True CallerID: Spam Blocker by Reena Williams

Identify unknown calls & spam

Worth Considering

CallFort: Spam Call Blocker

4.3(313 ratings)

FreeIn-App Purchases

True CallerID: Spam Blocker screenshot 1

True CallerID: Spam Blocker screenshot 2

True CallerID: Spam Blocker screenshot 3

True CallerID: Spam Blocker screenshot 4

True CallerID: Spam Blocker screenshot 5

True CallerID: Spam Blocker screenshot 6

Identify unknown callers and block unwanted calls automatically. This app uses smart spam detection and AI to protect you from robocalls, telemarketers, and scams. Take control of your phone and see caller information before you answer.

More Call Blocker Unknown apps to explore

Robocall & Scam Protection

Spam, scam, and robocall screeningCarrier-level call handlingVoice challenge for unknown callers

This app screens suspicious incoming calls before they reach your iPhone, using carrier-level handling and a voice challenge to block robocalls and scams. It ensures contacts and recent callers ring through while protecting your privacy by not selling your data.

(95)

Truecaller ~ Caller ID & Block

Spam & Unknown Call Blocker

CallSentry: Spam & Scam Block

(0)

Block Unwanted Spam Calls

Identifies risky and dangerous numbersDisplays caller informationCommunity-driven database updates

This app helps you avoid unwanted calls by identifying and blocking spam, dangerous, or risky numbers. It utilizes a continuously growing community-powered database to provide real-time caller information and allows you to create your own blocked number lists.

(2)

Call Protect: Robocall Blocker

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)

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.

WideProtect Spam Call Blocker

(4)

freemium

Stop scam, fraud, spoofing

Block by number prefixesBlock entire area codesWorks offline

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.

(2.3K)

Call Control: #1 Call Blocker

Block Spam Calls & Robo Calls

Smart blocking technologyAutomatic spam call blockingPersonal blocklist

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.

(6.7K)

Spam Call Blocker: Caller ID.

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

(1)

Block Spam Call & Fast Blocker

Stop Robocalls & Scam Shield

Smart call identificationURL scannerContact cleaner

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.

(12)

tellows Caller ID & Blocker

Detect & block unwanted calls

Identify unknown callersBlock spam calls and SMSReverse phone number lookup

Identify unknown callers instantly and block unwanted calls and SMS spam. Access a community-driven database of caller information and create your personal blacklist to prevent harassment. Feel safer with real-time call detection and detailed number lookups.

(144)

Spam Call Blocker • Caller ID

Robocall Filter & Scam Shield

Spam call blockingUnfamiliar number lookupSMS/MMS filtering

Reduce unwanted calls and texts with advanced blocking and filtering. Identify unknown numbers before calling back and manage your trusted contacts. Take control of your communication and enjoy fewer interruptions.

(10)

Block phone number ranges.

Simple Call Blocker

Block individual phone numbersBlock ranges of phone numbersCreate an allow list

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.

Show Caller ID & Spam Blocker

(3.7K)

free

Block Spam Calls: Scam Shield

Caller ID Name identificationSpam identifierReverse phone number lookup

Identify unknown callers and block spam with a vast database of phone numbers. Get contact photos and use a smart dialer for quick access. Take control of your calls and contacts.

(309)

Firewall - Spam Call Blocker

Block Spam Calls and Robocalls

Block 100% of spam callsWhitelisting for approved callersSMS spam blocker

This app blocks unwanted calls and texts by only allowing approved contacts to reach you. It also offers visual voicemail, privacy protection for your number, and the ability to make anonymous outbound calls. Enjoy a cleaner, more productive phone experience.

Caller ID - Spam Call Blocker

(1.6K)

subscription

Identify unknown calls & spam

Real-time caller identificationAutomatic spam call blockingCommunity-powered protection

Instantly identify unknown callers and block unwanted spam calls with advanced real-time identification and community-powered protection. Take control of your calls and enjoy a safer communication experience.

💼 Business

(193)

Powerful Call Blocker & Filter

Stop Spam: Call Blocker

Spam Block - Scam Call Blocker

(0)

Shield & Filter - Robo Caller

Block number rangesAdd individual numbersPattern blocking with '#'

This app helps organize and manage blocked contacts efficiently. It offers features to block number ranges and individual numbers, with no ads or premium restrictions. It prioritizes user privacy by not accessing contact lists or requiring network connections.