Top 7 Call Blockers for iPhone and Android 

More people are using spam and scams on their phones than ever before. Fortunately, you can take a few steps on your own to stop receiving spam calls. To block specific phone numbers, iPhones and Android smartphones have built-in functionality, and mobile carriers also provide blocking tools. Additionally, you can register your landline, and mobile numbers with the FTC’s Do Not Call Registry, though doing so won’t stop shady telemarketers and scammers from calling you. 

Installing a call-blocking app on a smartphone is the best way to stop spam, robocalls, telemarketers, and other unwanted calls. Numerous call blockers work to safeguard you from spam and reveal unauthorized callers. Look closely at the top call-blocking applications for Android and iPhone mobile devices.

  1. REKK Call Brocker 

Although REKK is a relatively new product, users of iPhones and Android devices have already come to trust it. With the option to block unwanted phone numbers, it’s a strong tool for identifying unknown callers. The fact that the database containing spam numbers is regularly updated makes REKK the ideal tool for detecting spam. Additionally, the app lets you block incoming messages that contain specific keywords, such as “special offer,” “sale,” and others. Because of this feature, you won’t have to worry about annoying SMS messages on Black Friday.

If you’ve missed a call, you can also use a reverse number lookup to check information about the caller, such as the company, its category, location, official website, and additional contact details. You must configure the app in your smartphone’s settings to function. You can set up the call-blocking feature using the in-app instructions.

REKK is available for Android and iOS.

  1. RoboKiller: Stop Call Spam

You can stop up to 99% of spam calls at your phone number using RoboKiller. By automatically blocking and adding any unwanted callers to the blocklist, the utility aids in call filtering and call control. Unwanted callers are blocked so that you won’t be bothered. Additionally, you can add any new number to your Allow List to keep important contacts or other information private. Therefore, the app will permanently intentionally block essential callers. You can momentarily pause the call-blocking feature if you anticipate receiving a critical call from an unknown number.

By alerting you to unwanted text messages, RoboKiller helps you identify SMS spam. To keep other users safe from spammers, you can also report any specific number or an ominous caller to RobKiller’s spam blocker. Downloading RoboKiller is costless. The service requires a subscription, but you can test it out for a week without paying anything.

Both iOS and Android are compatible with RoboKiller.

  1. Trucaller

One of the most popular free spam-blocking apps on the market, Truecaller has many valuable features. With this multipurpose app, you can find and block spam calls and SMS, look up unknown phone numbers, call and chat with friends, and more. Truecaller filters unwanted callers and detects spam calls and texts before you pick them up to help you avoid them. Additionally, the app offers users a reverse lookup feature that allows them to look up any spam phone number in the app’s database to determine who the owner is.

The app includes an integrated call dialer, messenger, and call blocking and identification. You can make free calls to your friends and have in-app chats with them from the app. The app is free, but the premium subscription unlocks additional features like knowing who has viewed your profile, receiving 30 contact requests each month, and having all ads removed.

Smartphones running Android and iOS can be used to install the app.

  1. Hiya: Spam Phone Call Blocker

One of the most popular spam-blocking programs available is called Hiya. It is extremely helpful if you want trustworthy defense against telemarketers, robocalls, fraud calls like neighbor spoofing, and debt collectors. Thanks to the app, you can stop receiving “neighbor spoofing” calls from numbers similar to your own, which automatically recognizes and blocks spam calls. You can find out who is calling you, where they work, and whether they call other Hiya users repeatedly by checking the global database.

Additionally, the app offers a number lookup feature that enables you to check any phone number and discover the caller’s true identity. There are annual and monthly subscription options for the paid app.

Get the app from the App Store or Google Play.

  1. Robo Shield Spam Call Blocker

Robo Shield is the ideal tool for preventing obnoxious spam calls. Pango, a mobile security provider with over 650 million customers worldwide, created the app. With Robo Shield, you can create blocklists of your contacts or block callers based on categories like spam, scams, politics, telemarketers, etc. Unlike other apps on the list, this service updates its spam number database every six minutes.

You can quickly look up any unknown number with Robo Shield and find out immediately if you’ve been contacted by scammers, spammers, telemarketers, etc. A $2.99/month subscription is required to use the app.

The app works on both iOS and Android devices.

  1. Nomorobo Robocall Blocking

One of the best call blockers to restore tranquility to your life is Nomorobo. Users of the app are shielded from telemarketers, spam texts, obnoxious robocalls, and phone scammers. It offers real-time defense against more than 3,200,000 spam callers and recognizes more than 1,500 robocalls per day. Additionally, Nomorobo shields you from phishing and text spam attempts. You can also make spam calls that go straight to voicemail.

The app respects your privacy and never has access to your call history. You can test out Nomorobo for 14 days without paying anything to see if it suits your needs.

  1. AT&T Call Protect

This popular tool could be helpful for AT&T network users. The app offers automatic fraud call blocking around the clock and stops spam calls before your phone even rings. It notifies you of telemarketers, nonprofits, surveys, account services, and private or political callers, and it sends unknown callers to voicemail. Additionally, you can add specific callers to your block list.

The AT&T Call Protect app does more than just block calls. It is a group of people who support one another in removing spam and reporting spam statistics. With a premium subscription, the app offers caller ID functionality and reverse phone lookup.

The app is available for download through Google Play and the App Store.


To conclude, installing a call-blocking app on a smartphone is the best way to instantly stop spam, robocalls, telemarketers, and other unwanted calls. Many call blockers protect you from spam and make unauthorized callers visible. This article lists the top seven call-blocking apps for Android and iPhone phones and explains their features in more detail. We hope you find this article helpful in choosing the best call blocker app for your brand-new or used phone


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