Top 5 Best Free Mac Cleaners 2021

Compare the Best Antivirus Software for all your Devices

  • Boost your Mac’s speed and performance
  • Give Your Mac a Full Cleanup
  • Clean your Mac from Junk & Large Hidden Files.
  • Keep Your Mac Clean And Fast

Updated on Apr. 29 2021

2021 Editor’s Pick


  • #1 Antivirus Provider 2021

  • Removes Viruses, Adware & Malware

  • Includes Firewall Protection

  • Advanced Ransomware Protection





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  • Includes Smartphone antivirus

  • Advanced Firewall included in all plans

  • Compatible with all operating systems

  • Perfect for home users



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  • Compatible with all devices

  • Advanced Firewall Included

  • Removes Viruses, Adware & Malware

  • Spam & phishing e-mail blocker



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  • One of the most trusted around

  • Compatible with all devices

  • Perfect for home users

  • Advanced Firewall Included



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  • One solution to protect your devices

  • World-class virus and malware protection

  • Includes Smart Firewall and Password Manager

  • Dark Web Monitoring Powered by LifeLock



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What is an Antivirus Software?

An antivirus is software designed to detect and remove malware from a computer or mobile device. Traditional antiviruses scan your files against a built-in malware database, flagging unsafe files that match the database. More advanced antivirus programs use machine learning, heuristic analysis, and cloud- based malware directories to detect and remove zero-day threats and very sophisticated malware. All of the best antiviruses offer real-time protection, so they scan every file before it executes to ensure malware never even starts running on your device.

Why do you need an Antivirus?

In recent years, people have become increasingly reliant on electronic devices. It is crucial now, more than ever, to have adequate security to protect your personal information from viruses and hackers. That’s where antivirus software comes in. Antivirus software, also known as anti-malware, is a computer program used to prevent, detect, and remove malicious software from your computers, tablets and mobile devices.

There are many different types of malware, viruses being the most well-known. Here we have highlighted some of the lesser-known types of malware that all security-conscious users should be familiar with. To learn more, follow our blog for the latest updates and information.


AntivirusAdviser’s reviews are the honest opinions of our team of expert cybersecurity professionals. Our reviews are neither paid for nor sponsored by antivirus providers, although we may earn affiliate commission through some of our referral links.

At AntivirusAdviser, our goal is to provide transparent, informative, and easy-to-understand reviews of antivirus solutions for all devices and operating systems, We hope these reviews will give you the insight needed to make an informed decision about your antivirus purchase.

Top Benefits of Using a Mac Cleaner

Like any Mac user, you probably rely heavily on your device. This means that you need it to be in top condition at all times. Although Macs are among the best computers out there, they are not immune to losing speed or to becoming infected by viruses. You should go through your files from time to time to clear away things that may be bogging it down.

Here’s the problem: Who has time to wade through file after file? If you’re like most people, you probably have better things to do. Still, you can’t keep this chore on the back burner for too long.

Thankfully, cleaning your machine manually isn’t the only option. Read on to learn more about how a Mac cleaner app can make life easier.

Options for Cleaning Your Computer

You have three main options when getting rid of spyware on your device:

  • Manual Cleaning – You can go through all your files, identify those that need to be removed and then delete and purge them from your system. This can take anywhere from two to three hours – and it is all too easy to overlook many things.
  • Built-In Cleaning Applications – Your computer comes with many built-in cleaning utilities. These can be found under the Apple menu. Navigate to “About This Mac,” and then click on the storage tab and click “Manage Storage.” The “Reduce Clutter” option is the most popular, but it still takes at least 30 minutes to complete.
  • Third-Party Cleaning Applications – When it comes to speed, accuracy, efficiency and ease of use, third-party Mac cleaner applications are your safest bet. Investing in apps like this is the way to go if you want to keep your computer running smoothly.

Features of Top Cleaner Apps

What can the best Mac cleaner do for you? Here are some of the best features offered by today’s most popular programs:

  • Boost Speed – Although a cleaner app won’t boost the actual performance of your machine per se, its ability to pinpoint and remove extraneous files and programs ensures that no clutter is left behind. With less clutter to process, your computer will work better even if you’ve been using it for years.
  • Locate and Purge Data – A well-designed cleaner app can quickly zero in on old files and other data that you no longer need. These items are removed permanently from your machine. This gives you plenty of storage space for the future.
  • Uninstall and Remove Old Programs – It’s easy to end up with a bunch of random apps and programs that you never really use. This can considerably slow down your machine. Finding and uninstalling them one by one isn’t advisable as you could end up with random files. The best Mac cleaner can remove all programs and their related files in a flash.
  • Find and Delete Duplicate Files – Over time, you may end up with duplicate copies of many files on your machine. These eat away at valuable disk space, so it pays to find and remove them on a regular basis. A cleaner app does just that as i scanst your entire Mac for duplicate files and then deletes them forever.
  • Anti-Malware Protection – The right cleaner app will thoroughly check your Mac for spyware and malware. Its built-in antivirus features also ensures that your machine isn’t infected and that your data and files remain safe and secure.

Benefits of Using a Mac Cleaner

If you’re still not convinced about using a third-party app to keep your Mac clean, consider these benefits:

  • Comprehensive and Complete – An app is remarkably more thorough and comprehensive than manual cleaning. With a few clicks, you can initiate a scan that checks every nook and cranny of your Mac. It leaves no stone unturned and keeps your Mac clean and efficient for a long time to come.
  • Advanced Cleaning – Although manual cleaning or built-in apps are viable ways to clear up space, they typically overlook various things like extraneous files that may be left over from the installation process. A cleaner app avoids this and makes your machine more nimble and efficient.
  • Fast and Efficient Operation – Your computer enhances your productivity so the last thing you’ll want to do is to have to sit down for a couple hours whenever you need to clear up its disk space. With an advanced cleaner, you can make short work of the process while resting assured that the job is being done correctly and thoroughly.
  • User Friendly and Intuitive – Like many Mac users, you may not be so technically inclined and may therefore be wary about manually cleaning it yourself. Its built-in cleaning utilities can also be confusing. Third-party cleaner apps are specifically designed with user friendliness in mind. You’ll appreciate the intuitive and simple steps that go along with using such applications.
  • Safe and Accurate – A well-designed cleaner app will safely remove old files and programs without negatively impacting its operation. The same can’t always be said about cleaning a device manually, which can result in the inadvertent deletion of key files and programs.

Invest in a Mac Cleaner Today

If you plan on using and keeping your machine for the foreseeable future, a free Mac cleaner app won’t do. Do yourself a favor and invest in a third-party cleaner app. Keeping your Mac in tip-top shape will be as simple as running a lightning-fast program every now and then. What could be easier than that?