8 BEST Robocall & Spam Call Blockers (2023)

Choosing non-ideal robocall blockers come with many privacy concerns and are often found selling your personal data. Some apps may not have a big enough caller database in your region, making them ineffective for blocking spammers, scammers, and robot calls.

However, the best robot call blockers can ensure that only genuine calls/messages can reach you. They help you block annoying robot calls, spam callers, SMS spammers, etc. We have researched over 25 robocall blockers to find the 8 most ideal ones. We evaluated all robocall-blocking apps based on pricing, SMS filtering, robocall blocking, and pricing, amongst others.

Best Spam Call Blockers

Name	Device Support	Customer Support	Caller ID	SMS Filtering	Free Trial/ Refund	Link
Robokiller	iOS and Android	Live Chat, Phone, and Email	Yes	Yes	Yes, 7 Days	Learn More
YouMail	Android and iOS	Live Chat, Phone, and Email	Yes	Yes	Lifetime Free Basic Plan	Learn More
Truecaller	iOS and Android	Live Chat, Phone, Support Tickets, and Email	Yes	Yes	Lifetime Free Basic Plan	Learn More
Nomorobo	Android and iOS	Online Support Form, Phone, and Email	Yes	Yes	Yes, 14 Days	Learn More
Call Control	Android and iOS	Email and Contact Form	Yes	Yes	Yes, 7 Days	Learn More

1) RoboKiller – Best For fighting robocalls with answer bots

RoboKiller is an ideal call blocker that helps you easily fine-tune the aggressiveness of its spam-blocking algorithm. It provides the ability to selectively block/unblock calls from specific categories as needed. You can temporarily pause call blocking when you are expecting an important call.

This robocall-blocking app uses patented audio fingerprinting technology for early detection of the latest and most advanced robocall blocker. It uses an advanced predictive algorithm to analyze all incoming calls before the first ring. You can enjoy its advanced AI-driven call screening that handles calls on your behalf and later send you a written transcript.

Features:

• Configure answer bots to waste scammer’s time and helps you get delisted from their call list.
• Advanced predictive algorithm proactively evaluates incoming calls before the phone starts ringing.
• Ability to pause and schedule robocall blocking according to your needs.
• Makes you aware of the latest scam trends in your area by recognizing patterns with an advanced algorithm.
• Phone Number Search makes it easy to identify unknown businesses/people.
• Real-time Call Screening attends calls on your behalf and later provides a written summary.
• Caller ID features help you identify any unknown caller.
• SMS filtering keeps your inbox free from useless messages.
• Call blocking ensures you never receive annoying scams and spam calls.

👍 Pros	👎 Cons
Build custom lists to block calls according to your preferences	Very unreliable AI answer bot for communicating with spammers
Call screening communicates with unknown numbers on your behalf and sends you the transcript.
Uses community feedback to better train the algorithm for accuracy

Visit RoboKiller >>

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2) YouMail – Best Overall Blocker

YouMail is one of the most advanced robocall blockers that provides many configurations and customization options for various use cases. It uses custom-built audio fingerprinting techniques to easily distinguish between robocalls and human calls. It offers a feature for multiple call-blocking to block/unblock spam phone numbers.

You can also quickly identify a call by reverse-searching any unknown phone number. It will automatically use this reverse search to identify missed callers. You can set up a secondary phone number to send voicemail or call forwarding. One of the best features of YouMail is the support for an advanced virtual receptionist that manages all your business calls.

Features:

• Allows you to configure personalized voicemail greetings for your callers.
• Custom virtual phone number with any area code for business purposes.
• Provides a unified inbox to keep messages from all numbers in one place.
• Set a privacy-friendly secondary phone number that automatically forwards to your main number.
• It offers a robocall Index that provides accurate information about robocall data from telecom services, app companies, etc.
• In-built support for conference calls and automated call recordings.
• AI-driven call screening attends suspicious calls on your behalf.
• SMS Filtering keeps your inbox clean and free from spam messages.
• Spam call blocking checks every incoming call in a central database and rejects all spam calls.
• Caller ID identifies and provides details about every incoming call.

👍 Pros	👎 Cons
One of the most advanced voicemail systems	Overpriced paid plans
Plays “Out-Of-Service” message on your behalf to robocalls
Supports conference calls, allowing people to join and leave calls easily

Visit YouMail >>

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3) TrueCaller – Best for Community driven Robocaller blocking

Truecaller uses a vast community to discover and frequently update its extensive database of scammers, telemarketers, and spammers. It has a unified app that blocks robocalls, makes phone calls, manages contacts, and handles text messages. The advanced dialer suggests people/businesses as you dial.

You can quickly identify an unknown phone number through its vast database of verified users and businesses. It effortlessly identifies unknown SMS and text message numbers. You can use it to create automated ghost calls that can scare away frequent spam callers.

Features:

• Accurate spam insights to understand calling patterns and behavior.
• Easily back up your contacts, messages, and call logs for efficient phone transfer.
• Truecaller assistant answers call and communicate on your behalf.
• You can maintain a custom list to block calls from specific people and businesses.
• Phone number search to identify any unknown phone number easily.
• SMS Filtering blocks all spam in your messages.
• Spam call blocking uses community-based reporting to block unwanted calls.
• Caller ID gives you information about caller identity and location.

👍 Pros	👎 Cons
Custom call screen to simplify identifying new callers	Relatively less privacy-friendly.
Advanced calls are recorded for specific devices.
Organizes messages in categories like personal, transactional, etc.

Link: https://truecaller.com/

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4) Nomorobo – Best privacy-focused spam call blocker

Nomorobo is one of the most advanced robocall blockers to detect robocalls. This spam call blocker uses many advanced technologies to analyze and screen calls accurately before reaching you. It detects robocalls by asking them an audio question (captcha) to prove their identity. It helps you to keep your inbox clean by automatically blocking unwanted texts and spam messages.

You can even selectively disable robocall blocking whenever you expect a relevant robocall. Nomorobo automatically screens and reviews suspicious callers to ensure that only appropriate human callers can reach you.

Features:

• Proper filtering techniques ensure completely spam-free voicemail.
• You can report If you find any number being wrongly blocked.
• Complete support for all major phone carriers and landline VoIP carriers.
• Provides a public database of popular scammers and criminals.
• Phone number search to get details about unknown numbers.
• Real-time call screening saves you from attending various marketing calls.

👍 Pros	👎 Cons
Extensive database of the most popular robocallers.	Slow detection of newly created numbers for robocalls.
Blocks all spam and scam messages to defend against fraud.
Completely ad-free user interface.

Link: https://www.nomorobo.com/

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5) Call Control – Best for Integrating with new apps/services

Call Control is a complete solution for all your calling needs. It relies on its extensive community of over 12 million users to build and maintain its database. It offers an advanced caller identification feature to identify unknown callers and provides you with all relevant information even before the first ring.

It can easily block any number, area code, or wildcard. You can also use this robocall blocker app to scan and filter your SMS and MMS. It allows you to schedule regular backups of all your contacts on a cloud server. You may configure a protected contacts list to ensure you never miss calls from real numbers.

Features:

• Regularly updates its database with the latest government data on scam phone numbers.
• Custom unified block list to block spammers on calls and SMS.
• Enhanced incoming call ID informs you about an unknown phone number being a scam or a legitimate business.
• Robust support for REST and JSON allows developers to integrate them into their products or services.
• Uses community feedback to improve upon its spam detection.
• Privacy-friendly policies and systems ensure your minimum personal data is used in the community database.
• Phone Number Search to find details about any number.
• Real-time Call Screening attends calls on your behalf.
• SMS Filtering makes it easy to manage your inbox.
• Provides caller ID that identifies incoming phone calls and gives you all valuable details.
• Spam call blocking protects you from unwanted calls from spammers/scammers and marketers.

👍 Pros	👎 Cons
Provides separate plans for individuals and enterprise customers	Slow at detecting new patterns adopted by spammers
Works with all significant VoIP Landline services
Enhanced call identification gives you relevant information about all unknown callers.

Link: https://www.callcontrol.com/

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6) Robo Shield – Best tool with bundled security apps

Robo Shield is an intelligent, privacy-focused robocall blocker that helps defend against spammers. It automatically blocks annoying robocalls using advanced algorithms. You can maximize and improves digital safety and privacy. Its constantly updating database can quickly identify the latest robocalling patterns and stop them at the earliest stages.

It supports reverse phone number lookup to help you identify the owner of any unknown phone number from its extensive database. You can use this ideal robocall blocker to create custom block lists of the most annoying numbers.

Features:

• Updates its spam database with the latest spammers every 6 minutes.
• Custom-select the call categories you want to block/unblock.
• Provides a publicly available database of identified untrustworthy numbers.
• Easily search for unknown phone numbers and get relevant details.
• Blocks all spam calls and robocalls to ensure only relevant calls reach you.

👍 Pros	👎 Cons
The effortless, straightforward setup lets you use it in no time	No support for SMS spam checking
Automatically forwards blocked calls to another number or voicemail.
Selectively block and unblock numbers from various categories, like politics, charity, surveys, etc.

Link: https://www.roboshield.com/

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7) CallApp – Best Overall calling solution

CallApp is an ideal solution for all your calling needs. It provides many features, including robocall blocking, to improve your calling experience. It automatically declines robocalls or forwards them to your voicemail service. It is one of the best robocall-blocking apps that provides configurable blocking settings that allow you to block international calls, hidden numbers, etc.

It also has many valuable features, like a built-in call recorder that can automatically record incoming calls. You can also use it to automate contact backups on the cloud so that you never lose essential phone numbers again. It also offers in-depth analytics and insights about calling behaviors and patterns.

Features:

• Identifies unknown phone numbers on apps like WhatsApp, Viber, SMS, etc.
• Insightful contact list with details like name, birthdays, and locations, amongst others.
• Offers a feature for Car Mode that helps you take calls hands-free to maximize car safety.
• Effortlessly set up personalized ringtones with pre-built templates or design custom call screens.
• The call-blocking feature keeps you protected from many unwanted calls.
• Very accurate phone call identification to provide you with details about all incoming calls.

👍 Pros	👎 Cons
Effortlessly, find phone numbers of businesses, restaurants, and more.	Relatively weak international database
Setup call reminders that remind you about upcoming important calls
Incognito mode protects your privacy by letting you make calls that never appear on your call log.

Link: https://callapp.com/

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8) TrapCall – Best for Unmasking spam phone numbers

Trapcall is one of the best robocall blocker apps to identify unknown numbers while receiving calls. It forces all unknown callers to identify themselves before you receive calls. You can use this tool to block a wide range of numbers, including telemarketers, frequent spammers, robocalls, etc.

It can automatically record all your incoming or outgoing calls and share them effortlessly for future reference. It also provides a real-time call screening service that answers suspicious spam calls on your behalf. It actively updates its database to detect new spam callers and robocalls quickly.

Features:

• Provides Text-to-speech conversation for voicemail.
• Tools to trick spam callers into thinking you changed phone numbers.
• Support for missed call reminders to ensure you don’t miss any important calls.
• Automated call screening uses AI to attend suspicious calls on your behalf and later provide you with a transcript.
• Easily identify an unknown phone number using a Reverse Phone Number Search.
• Blocks all unwanted calls and ensures only helpful calls can reach you.
• Its caller ID feature provides you with all relevant information about an incoming call.

👍 Pros	👎 Cons
Straightforward missed call reminders	No support for SMS spam filtering
Effortlessly, find the name and other details of any unknown phone number.
Detects calls that are trying to mimic your area code prefix

Link: https://www.trapcall.com/

FAQs

Best Spam Call Blockers

Name	Device Support	Customer Support	Caller ID	SMS Filtering	Free Trial/ Refund	Link
Robokiller	iOS and Android	Live Chat, Phone, and Email	Yes	Yes	Yes, 7 Days	Learn More
YouMail	Android and iOS	Live Chat, Phone, and Email	Yes	Yes	Lifetime Free Basic Plan	Learn More
Truecaller	iOS and Android	Live Chat, Phone, Support Tickets, and Email	Yes	Yes	Lifetime Free Basic Plan	Learn More
Nomorobo	Android and iOS	Online Support Form, Phone, and Email	Yes	Yes	Yes, 14 Days	Learn More
Call Control	Android and iOS	Email and Contact Form	Yes	Yes	Yes, 7 Days	Learn More

Final Verdict

Spam and robot calls can become annoying with time. There are many methods to stop robocalls, including using a carrier-driven Do Not Disturb, which is a very ineffective service. The best way to stop robocalls and spam calls are to use a good robocall blocker app with a large enough database of callers in your region to detect, analyze, and reject a spam/scam call before the first ring on your phone. You cannot go wrong if you select YouMail or Truecaller.