10 Best Mac Cleaner Software & Optimization Apps In 2021 (Free & Paid)

Get a Clean, Optimized, and Faster Mac with these Best Mac Cleaners!

For Mac For Mac Optimization

Want to get straight to the point? Our top picks for the Best Cleaners & Optimizers for Macintosh are Disk Clean Pro & Cleanup My System

Whether you want to clean up your Mac, boost performance, optimize memory, manage data, clean malware infections, remove junk files, or uninstall apps completely, the Mac cleaning app is the perfect solution.

By using these cleaner tools for Mac, you won’t have to face the annoying “Your Disk Is Almost Full” error message. These memory-boosting applications are equipped with tons of modules that keep your Mac Hard Drive stable and you can make the most of every gigabyte. A dedicated Mac Cleaning Utilities scans your storage space and retrieves valuable disk space in a few moments.

But which one is the best software to clean & optimize Mac? To help pick a useful and effective cleaning and optimization utility for Mac, we’ve tested over 40+ applications, and here we are with the top-notch yet low-cost Mac cleaning tools 2021.

List of Contents

What To Look For In The Best Mac Cleaning & Optimization Software?

To be honest, choosing the best software in the glut of these reputable cleaning utilities for Mac, wasn’t easy at all. Most of the Mac cleanup tools in the market have tons of pre-loaded features. But not all are useful! Therefore, while making this list of top disk cleanup apps for Mac, I ensure that the most trusted and effective optimization tools are added.Here is the list of some prominent features each Mac cleaner has:

  • One-Click Cleaning – Can quickly identify and delete obsolete and useless files that hamper the overall performance of a Mac. A single click to enjoy seamless functioning is necessary!
  • Startup Manager – Capable of disabling useless startup items to boost the overall performance of a slow & sluggish Mac with a rainbow wheel.
  • Unwanted Background Process Killer – Can help in preserving CPU processing power, by detecting and removing unnecessary background processes.
  • Duplicate Cleaning – Capability to find and delete unwanted clone copies of the same videos, photos, music files, documents & other multimedia data.
  • Old Downloads – Can manage old and partial downloads, which occupies a significant amount of storage space.
  • Shredder – Getting a security tool with a blend of cleaning & optimization does not harm. Use this tool to permanently delete sensitive files.

So, these are the features that I kept in mind when looking for the best cleaner for Mac that guarantees a significant performance boost.

10 Best Mac Cleaner Apps in 2021: Free and Premium

Here’s a comprehensive list of Top Cleaning & Optimization Tools, you can use right now to tune up your Mac.

1. Disk Clean Pro

DiskCleanPro logo

Disk Clean Pro

  • One-click cleaner.
  • Junk & Logs cleaner.
  • Manage partial & old downloads.
  • Duplicate finder & cleaner.
  • Tools for maintaining Internet privacy.

Free Trial: Not available

Price: $26.99

Developed by Systweak Software, this app is malware-free, easy to use, and it detects app cache, system cache, old downloads, unwanted language packs, and more. With a plethora of cleaning features, this one is my favorite Mac cleaning app. Disk Clean Pro is an amazing disk cleanup software & it is priced at $26.99.

Moreover, it has been the #1 disk cleanup utility on the Mac App Store. This top Mac cleaner is compatible with all macOS versions and is a well-designed cleaning software and optimization utility. Read the Complete Disk Clean Pro Review


  • One-click cleaning
  • Helps recover valuable disk space
  • Boost Mac performance
  • Compatible with both old and latest macOS


  • No feature to detect malware infections

2. Cleanup My System

Cleanup my system logo

Cleanup My System

  • Enhance system performance.
  • Free up storage space
  • Secure Privacy.
  • Supports Family sharing.
  • App uninstaller.

Free Trial: Available

Price: $34.99

Cleanup My System is the best Mac cleaning application so far as it comes with all of the features required to optimize your Mac. With the Smart Cleanup feature, it quickly cleans junk, temporary and cache files and frees up storage space. Uninstaller will remove multiple applications with this Mac cleaning tool. It also removes the old and large files and mail attachments to clear up the redundant data. The Startup Manager will quickly enable/disable the startup items to increase the boot time.

Along with optimizing your Mac, it secures you from privacy and identity threats. As it can swiftly remove all the personal information on your web browser along with the cache, cookies, and history. All of these wonderful features make it the top Mac cleaner software. Another of the features which makes it great is that it can be used by up to 6 users on Family Sharing which makes it a reasonable purchase.


  • Supports 6 users in Family sharing.
  • Manages Login items.
  • Uninstall applications.
  • Secure web data privacy
  • Cleans junk and unwanted files.


  • Works only on macOS 10.11 or later.

3. TuneupMyMac

Tuneupmymac logo


  • One-click cleaning
  • Junk, temp, logs cleaning
  • Find & clear unused languages
  • App uninstaller & duplicate file cleaning
  • Misc. cleaning

Free Trial: Yes

Price: $49.95

Another unique Mac cleaner & booster is TuneupMyMac. It offers perfect integration of cleaning, optimization, and security modules to maintain stable performance for a longer duration. To free up space and declutter your Mac, simply run a thorough scan to clean junk files, duplicates, cache, temp files, etc. This Mac cleaning software is compatible with macOS 10.7 or higher. Read a complete TuneupMyMac review and explore all the benefits.


  • 4 effective cleaning modules to optimize Mac
  • Speed up Mac performance and optimize disk
  • Great cookies and cache cleaning too
  • Detects and removes unused language packs


  • Doesn’t work on macOS 10.9 or lower versions

4. CleanMyMac

Cleanmymac logo

CleanMyMac X

  • Offers malware scanning and removal.
  • Remove browsing history along with online and offline activity traces
  • Multi-Lingual
  • Update and uninstall apps.
  • Disk cleanup.

Free Trial: Yes

Price: $34.95

With drag and drop features, visual and textual information about disk usage, CleanMyMac X is the best Mac file management & speed boosting app. It is easy to install and simple to use. Using it, you can verify the startup disk and structure of the files to configure parameters. Not only this, but CleanMyMac X also allows the cleaning of cache files and the removal of unwanted apps. Using it, you can recover gigabytes of space in no time and even flush DNS Cache, repair disk permission, and a lot more. To know more about it, read the complete review on CleanMyMac X.


  • An all-in-package to clean and optimize your Mac
  • One-click cleaning and optimization feature to save time
  • Frees up RAM, repairs disk permission, flushes DNS Cache, etc.
  • Malware cleaner and removal tool


  • Not pocket friendly

5. CCleaner for Mac

Piriform CCleaner


Piriform CCleaner

  • Safer browsing
  • Real-time monitoring
  • Junk file cleaning
  • Fully customizable.
  • Uninstaller to remove unwanted files in a go.

Free Trial: Yes

Price: $19.95

Offered by Piriform CCleaner is a popular name in PC cleaning software, and the same is now available for Mac too. After using this professional cleanup tool, I noticed a significant performance boost in the overall functioning. It offers three tabs Cleaner, Tools, and Options, which comprises all essential functionalities required to optimize Mac.

Available both as free and paid, it is mostly used as a free Mac cleanup software. While testing this tool, I understood due to its accuracy and simplicity, people love this Mac cleaner. Read the complete Ccleaner for Mac Review


  • Real-time junk file scanning
  • Lots of cleaning & optimization tools in one package.
  • Safer internet browsing
  • The free version is equally good.


  • The malware scanning feature is missing.
  • When compared with other best Mac optimizers, it offers fewer features.

6. MacBooster 8

Macbooster 8 logo

Macbooster 8

  • Full security protection
  • Deep system cleanup, memory booster, and startup app optimizer
  • Performance booster
  • Fixes Mac disk permission issues.
  • Large files finder & duplicate cleaner

Free Trial: Yes

Price: $59.95 (3 License price)

MacBooster offers a robust set of safety modules and cleaning features. It’s mainly good at maintaining Mac’s performance and security. Moreover, it helps in deep system cleanup and identifying duplicates. Once this comprehensive Mac maintenance software is installed on your Mac, you will not have to worry about malicious files or any infection type.

The main interface of MacBooster is effortless; in just a click, you can scan the system for junk files, viruses, memory optimization. Once the scan is finished using the paid version, you can fix all detected errors. Read the complete Macbooster Review


  • Deeply scans your Mac to locate problem creating files
  • Suitable for users having devices with smaller SSD
  • Noticeable performance boost after first scanning and cleaning
  • Best malware removal tool for Mac


  • The app was not able to find the latest threats.
  • The free version is minimal. This doesn’t help know how error fixing works

7. Disk Doctor

Disk Doctor

Disk Doctor

  • Two different themes
  • Powerful Disk cleaner
  • Browser speed booster
  • Great uninstaller module.
  • Help remove unwanted iOS Software Update and iOS Backups

Free Trial: Yes 

Price: $2.99

Disk Doctor application helps perform operations that maintain the system and optimizes its performance. It fixes possible errors and allows users to fine-tune hidden preferences. This small yet effective app tells a lot about itself. Once the Disk Doctor finishes scanning 6 areas that include Application Cache, Browser Cache, Broken Login Items, and others, you can trash all junk data without worrying about accidentally removing important files.

The app can automatically detect and remove unneeded files – application logs, browser cache, application cache, application leftovers, iTunes Temporary files, unused applications, iOS software updates, etc. from Mac.


  • Easy to use interface
  • Full Retina Support
  • Compact utility
  • The simplest way to remove browser cache


  • No free version available
  • The malware removal tool is missing

8. Drive Genius

Drive Genius

Drive Genius

  • Automated Monitoring and Protection
  • Creates a secondary startup drive to maintain a startup drive
  • Checks Mac for hardware related problem
  • Searches for Malware.
  • Active file alert

Free Trial: Yes

Price: $79

Driver Genius is an award-winning drive management tool, and it offers the world’s best and advanced engine to optimize disk. One thing I specifically like about Drive Genius is that it provided a variety of options. Using it, you can clean junk files, clone the disk, scan for malware, boost speed, run Boutwell, and a lot more.

For me, it is the perfect drive optimization solution for Mac. This top disk cleaner tool is a complete disk cleanup suite. Using it, you can clone a disk, recover data, and clean viruses. This means no longer need to worry about losing data.


  • Inbuilt malware scanner
  • Drive testing and repair
  • Disk defragmentation
  • Real-time monitoring


9. App Cleaner & Uninstaller

App cleaner and uninstaller

App Cleaner & Uninstaller

  • Automated Monitoring and Protection
  • Creates a secondary startup drive to maintain a startup drive
  • Checks Mac for hardware related problem
  • Searches for Malware.
  • Active file alert

Free Trial: Yes

Price: $19.90

Developed by Nektony, this app offers the simplest user interface. To get hold of all unwanted files, simply run the scan and see what AppCleaner gets for you. It will list all associated files for the app you wish to uninstall and show leftovers for the uninstalled applications. This is what I like about this app.

Moreover, this top Mac uninstaller app clears all unwanted app traces ensuring that the hard drive’s space is only used to store data related to useful apps. During our testing, I found it accurately detected app leftovers during my test, and I like the way it lists app leftovers. This helps get a clean and optimized Mac. Read the App cleaner and uninstaller full review!


  • Great startup optimization app
  • Help uninstall Widgets from Mac
  • Lists down leftovers, thus helping to recover storage space
  • Multi-Lingual


  • Focuses only on uninstalling apps
  • No malware protection feature

10. OnyX

OnyX - Mac cleaner


  • In-depth cleaning and maintenance tool
  • Storage manager
  • Accurate identification of junk files
  • Multilingual Mac cleaning tool.
  • Recover gigabytes of storage space

Free Trial: Yes

Price: Free

OnyX is the perfect Mac maintenance tool that can be used easily without running any terminal commands. In addition to this, it helps speed up Mac and manage disk for complete optimization, the most complicated thing one could do on its own.

This feature-packed Mac utility is best for verifying startup disk, structuring the system files, configuring parameters, etc. Using this app to optimize Mac, I was able to clean disk errors, delete cache, and rebuild databases.


  • Great startup optimization app
  • Help uninstall Widgets from Mac
  • Lists down leftovers, thus helping to recover storage space
  • Multi-Lingual


  • No security-related features.

11. AVG TuneUp Premium

AVG TuneUp Premium

AVG TuneUp Premium

  • Remove junk files and other unwanted data
  • Duplicate file finder & cleaner
  • Security & speed-boosting modules
  • Multilingual Mac cleaner.
  • Uninstall apps in a few clicks

Free Trial: Yes

Price: $24.99

AVG TuneUp has a powerful scan engine, and it offers a great range of features. An attractive, user-friendly UI helps AVG TuneUp stand out from the crowd. This Mac cleaner and optimizer is worth checking out – particularly if you are looking for an effective way to clean duplicate photos and files this app has something for you.

When it comes to deleting duplicate and similar photos without installing a third-party tool, the Find photos module of AVG TuneUp is the best Mac optimizer. After using it, I recovered almost 2GB of space that was taken up with such photos. Read the full review!


  • Offers tons of useful Mac cleaning and optimization features
  • Offers a more stable network to perform more tasks
  • Lists down leftovers, thus helping to recover storage space.
  • Multi-Lingual


  • No security-related features

Mac Cleaners That Were Not Able To Make A Cut (But, Well Deserved!)

  1. EaseUS CleanGenius for Mac 5.0 – When compared with other Mac cleaners, it had limited features. Additionally, it has compatibility issues with the latest macOS versions.
  2. Avira Mac Optimizer – No option for batch cleaning, and it offers only a handful of features.
  3. Daisy Disk – Delete functionality is disabled in the trial version. This means unless you spend $9.99, you cannot know how this Mac cleaning and optimization app works.
  4. Parallels Toolbox – This Disk cleaning and optimizing utility don’t uninstall programs completely. You can find app leftovers scattered around the Mac system.
  5. Sensei – Works only on macOS Catalina or higher and no scheduling option for built-in utilities.

WeTheGeek’s Choice For Best Mac Cleaning Software (2021)

We have already listed the best bunch of cleaning and optimization utilities available for Mac. However, if you ask us our personal favorite, then we would highly recommend using Disk Clean Pro, since it features all the essential tools needed for comprehensive cleaning, speed boosting, and keeps security intact. All these amazing features are available in an affordable package, so you can rely on the product to enjoy peak performance and optimal functioning.

Frequently Asked Questions: Top Mac Optimizer

Q1. Which Is The Best Mac Cleaning App?

Disk Clean Pro is one of the best tools to clean and optimize Mac. It offers a wide range of features and helps optimize Mac so that you can use it to its optimum speed.

Q2. Is Mac cleaner safe?  

To be honest, we cannot completely rely on any product. To stay safe from any unforeseen situations regardless of the popularity, we should review scan results ourselves. Moreover, if a company fails to offer a trial version or doesn’t let you check scan results, it might not be safe to use it. Therefore, when looking for a dedicated app to clean Mac, do thorough research.

Q3. Why do you need a Mac cleaning app?

Reasons for having a cleaning software and optimization utility for Mac:

Q4. Are Mac Cleaners Worth It?

Yes! Manually cleaning junk files, unwanted files isn’t easy. Therefore, we should consider using an optimization and cleaning app. Also, having a tool that offers privacy & overall protection is best. Features like junk file cleaning, duplicate cleaning, etc. are reasons for using Mac cleanup apps.

Q5. Is There A Free Mac Cleaning App?

Yes, there are several free cleaning software for Mac. They claim to clean and optimize your Mac, but you don’t know what they might be doing in the background. Therefore, we suggest using a paid app. However, before paying for any Mac cleanup tool, use its trial version to see how it works.

Q6. Does Mac Have Built-In Cleaning App?

Well, yes, your macOS has a built-in Mac Cleaning Utility called Optimized Storage. It lets user’s free up storage space by making the system keep things in iCloud automatically. Though its capabilities are limited, you can use the Optimized Storage feature for basic system cleanup. For extra flashy features & protection, you must switch to a dedicated Mac Cleaning Software.

Comparison Table Of Cleaner For Mac

Product Price File Size macOS versions Version Trial 
Disk Clean Pro $26.99 2.1 MB macOS 10.7 or later 6.0 updated on March 12, 2021 No
Cleanup My System $34.99 22.3 MB macOS 10.11 or later 1.13 Yes
TuneupMyMac $49.95 24 MB macOS 10.7 or later 1.5.5 Yes
CleanMyMac X $34.95 145 MB macOS 10.10 or later 4.8.2 updated on 29 March 2021 Yes
CCleaner for Mac $19.95 10.9 MB macOS 10.7 or later 1.17.603 Yes
MacBooster $59.95 (For 3 Macs) 75.7 MB macOS 10.7 or later 8.0.2 Yes
Disk Doctor $2.99 5 MB macOS 10.7 or later 4.3 No
Drive Genius $79 70 MB macOS 10.12 or later v6 Yes
App Cleaner & Uninstaller $19.90 55.9 MB macOS 10.10 or later 7.4 updated on Mar 30, 2021 Yes
OnyX Free 1.2 Mb to 23. 4 Mb (Size varies according to macOS version) macOS 10.2 or later 3.9.6 Yes
AVG $24.99 (Upto 10 devices) 16.1 MB macOS 10.8 or later 14.0.4766 Yes


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