Best 10 Disk Space Analyzers for Mac in 2021

If you use your Mac to save a lot of files and download many applications, you may eventually start to run out of disk space. You can address this issue by using an external storage device, but in many cases you will want to keep enough free space on your main drive to maintain high performance and not impact your ability to save new photos or videos. Using a Mac disk space analyzer can help you identify old and duplicate files that can be deleted to provide more free space for future activity.

How to Choose a Space Analyzer Solution for Mac

Selecting the right hard drive analyzer for your Mac can be challenging. There are many products out there that claim to be able to do the job. Following are some factors to consider when choosing an app to analyze your Mac’s disk space.

  • 🤗 User-friendliness. You should look for a storage analyzer that provides a user-friendly interface which simplifies finding the tool’s features. Having to wrestle with a command-line interface makes it less likely that you will use the application productively.
  • 🤓 Ease-of-use. Related to the user-friendliness of a software solution is its ease of use when performing its role. You want to find a tool that is easy to run and provides an intuitive method of analyzing your Mac’s disk space. A complex command-line tool will not get used as often as a solution that lets you click through and analyze your disks easily.
  • 💡 Features. The Mac disk usage analyzer you select should have a feature set that addresses your needs. Some tools may only report on disk usage, leaving you to manually delete duplicate files to free up space. Others might automatically delete files without giving you the opportunity to review the deletions. Look for a tool that gives you options in how to address the space issues on your Mac.
  • 🧰 Additional tools. Some of the software tools that act as a disk inspector also provide other tools that can be extremely useful for a Mac owner. Disk analyzers are often bundled with tools like backup and recovery software. Look for a solution that gives you a variety of software utilities if possible.
  • 💲 Price. Price should never be the sole determining factor when purchasing a software solution, but it does come into play. If two products offer similar functionality and user-friendliness, it makes sense to opt for the lower-priced solution. That being said, don’t fall into the trap of looking for the least expensive option at the expense of features or usability.

10 Disk Space Analyzers for Mac

Now let’s look at 10 disk space analyzers that can help you understand how your Mac’s storage is being used so you can take the appropriate action to free up some space.

1. Disk Space Analyzer: Inspector

ℹ️ Best for: Identifying and removing unnecessary files and folders, freeing space on your Mac.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: macOS 10.10 or later

Disk Space Analyzer: Inspector

This tool is a disk visualizer for Mac that is available on the Mac App Store. It provides a simple disk analyzer that can be used by anyone with a Mac. You can easily find the largest files taking up space on your Mac, external storage, or your Dropbox account. It just takes a few minutes to scan your disk and review the chart displaying drive usage.

Pros:

  • Inexpensive tool
  • Simple to use
  • Supports all types of Mac storage
  • You can delete files from within the app

Cons:

  • No extra disk tools
  • Doesn’t support older versions of the Mac operating system

Pricing plans:

  • A free version available
  • The Pro version of the tool costs $9.99

Free Download

2. Disk Cartography

ℹ️ Best for: Users looking for a free disk analyzer and cleaner.

Analyze disk space: Yes | Remove duplicate files: Yes | Perform disk cleaning: Yes | Provides additional tools: Yes | OS Support: macOS 10.12 or later

Disk Cartography

Here is a free disk analyzer available from the Mac App Store that scans your disk to find the files and folders taking up all your valuable space. Once space stealing culprits are identified, you can easily remove them from within the tool. You can map any type of disk with Disk Cartography including hard drives, USB drives, and memory cards. Users can display disk usage by disk space, percent used, or file count.

Pros:

  • Free disk analyzer
  • Fast scanning speed
  • Easy file and folder removal

Cons:

  • No additional disk management tools

Pricing plans:

  • Free tool

Free Download

3. Disk Drill

ℹ️ Best for: Users who want a full-featured disk analyzer and data recovery tool.

Analyze disk space: Yes | Remove duplicate files: Yes | Perform disk cleaning: Yes | Provides additional tools: Yes | OS Support: All versions of the Mac operating system

Disk Drill

Disk Drill is a comprehensive data recovery and space management tool that provides a disk analyzer and clean up functionality in its free version. The tool’s main purpose is as a superior data recovery solution but it is also is an excellent disk analyzer and cleaner. A few clicks are all it takes to produce an informative view of your disk space from where you can take action and delete selected files. A nice feature is the ability to find duplicate files which can take up a lot of room on your disk.

Pros:

  • Free disk analyzer
  • Additional data recovery and management tools
  • Delete files from within the interface
  • Intuitive user interface
  • Finds duplicate files
  • Fast scanning performance

Cons:

  • Pro version may not be necessary for disk analysis

Pricing plans:

  • The free trial version includes the disk analyzer
  • The Pro version of the tool costs $89

Free Download

4. Disk Inventory X

ℹ️ Best for: Users who want a different view of their disk space.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: No | Provides additional tools: No | OS Support: macOS 10.13 – 10.15

Disk Inventory X

This simple freeware tool displays the size of files and folders in treemaps for easy viewing. The tool does not provide the functionality to remove files from within the tool and is essentially a one-trick-pony. If you want an alternative view of the files on your disk, this freeware solution might work for you.

Pros:

  • Freeware tool
  • Tree view of files and folders

Cons:

  • Cannot delete files
  • No additional disk tools
  • No support for the newer versions of the macOS

Pricing plans:

  • Freeware

Free Download

5. DaisyDisk

ℹ️ Best for: Analyzing disks and removing unnecessary files.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: OS X 10.5 through current macOS versions

DaisyDisk

DaisyDisk is a space analyzer that provides a map of your disk using a distinctive circular graphical display that is easy to understand. It provides real-time disk analysis so you can always tell if you have enough room to install a new app or download that movie you wanted. The user has complete control over what gets deleted and system files are protected against accidental removal.

Pros:

  • Distinctive graphical disk map
  • Fast scanning speed
  • Preview files before deleting them

Cons:

  • No additional disk tool

Pricing plans:

  • A free trial is available
  • The full version costs $9.99

Free Download

6. Disk Analyzer Pro

ℹ️ Best for: Users looking for a disk analyzer and management tool.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: Mac OS X 10.8 and all newer versions of macOS

disk analyzer pro mac

Disk Analyzer Pro is a disk analyzer and cleaner available from the Mac App Store. It helps you organize the files and folders on your disks so you can make the most efficient use of storage space. Scan reports show usage statistics in terms of file count, size, and percentage of space used. Selected files can be copied, moved, deleted, or compressed. An integrated file explorer makes it easy to see and manage the files on your Mac’s disks.

Pros:

  • Intuitive user interface
  • Delete and compress files from within the app
  • Custom scan summaries

Cons:

  • No free trial version

Pricing plans:

  • $9.99

Buy Now

7. GrandPerspective

ℹ️ Best for: Viewing filesystem contents and deleting unneeded files.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: macOS 10.9 or later

GrandPerspective

GrandPerspective is a utility designed to graphically shows the disk usage within a file system. It lets users easily identify files taking up the most space so they can be reviewed and deleted if necessary. The app uses treemaps to display files, with each item shown as a rectangle proportional to its size. Filters allow you to only view the filetypes you are interested in and files can be deleted from within the interface.

Pros:

  • Support for hard-linked files and folders
  • Multiple view support for easy comparison
  • Configurable disk analysis views
  • Delete files from within the interface

Cons:

  • No support for earlier versions of the Mac OS

Pricing plans:

  • Free verison
  • $2.99 from App Store

Free Download

8. OmniDiskSweeper

ℹ️ Best for: Simple drive analysis and file removal.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: Mac OS 10.4 or later

OmniDiskSweeper

OmniDiskSweeper is a freeware tool that can analyze your Mac’s disk space to identify which files and folders are taking up the most space. The tool lets you choose specific folders to scan and allows the removal of selected files from within the app. It’s a simple tool that appears to do its job and helps you save space on your Mac.

Pros:

  • Freeware with no cost
  • Removes files without sending them to the Trash

Cons:

  • Downloaded automatically without confirmation
  • Other apps attempted to download from the site

Pricing plans:

  • Freeware

Free Download

9. NCDU

ℹ️ Best for: Viewing space usage on local and remote disks.

Analyze disk space: Yes | Remove duplicate files: No | Perform disk cleaning: No | Provides additional tools: No | OS Support: macOS Big Sur, Catalina, Mojave

NCDU

NCurses Disk Usage is a freeware disk usage analyzer with an ncurses interface. You need to have NCurses installed to use the tool, which may make it an unrealistic choice for some users. Individuals planning to use this tool need to be familiar with downloading and installing binary files from the Terminal command line.

Pros:

  • Freeware
  • Does not perform disk cleanup
  • Cannot remove files from the interface

Cons:

  • Complex installation procedure
  • Requires NCurses to be installed
  • NCurses command-line interface

Pricing plans:

  • Freeware

10. WhatSizeMac

ℹ️ Best for: Managing disk usage and saving space on your Mac.

Analyze disk space: Yes | Remove duplicate files: Yes | Perform disk cleaning: Yes | Provides additional tools: No | OS Support: Mac OS X 10.4 or later

WhatSizeMac

WhatSizeMac is a disk management tool that analyzes your disks and displays their contents in an interactive chart. Users can easily drill down for further details to find space wasters that can be removed with a click. Duplicate files can be permanently removed, sent to the Trash, or replaced with hard links. The tool helps speed up your Mac by retuning free space to the operating system.

Pros:

  • Interactive chart display for viewing disk analysis
  • Files can be removed from within the interface
  • Finds duplicate files

Cons:

  • No additional data protection tools

Pricing plans:

  • Free 30-day trial
  • The paid version is $14.99

Free Download

How to Free Up Disk Space on Mac Easily

If you are having problems with a lack of disk capacity, you want a tool that helps you free up space. We are going to use Disk Drill as an example and run through the steps required to identify and remove duplicate and unnecessary files from your Mac.

Use the following procedure to free up disk space on your Mac using Disk Drill.

  1. Download and install Disk Drill for Mac on your machine.Install disk drill
  2. Click on the Clean Up tool located in the left-hand panel of Disk Drill’s interface.
  3. Select the drive you wish to analyze and click the Start Scan button.Start Scan with disk drill
  4. As the scan proceeds, you will see the screen populated with the names of folders that contain files on your Mac.
  5. You will be notified by a Scan complete message when the scanning process is finished.
  6. Now you can select a folder or click on it to open it up and select subfolders or individual files to be deleted, to return free space to the operating system.
  7. You can sort the files by type or size to make it easy to find the items you want to delete.
  8. Check the box next to the items you want to delete and then click the Remove button.select files and remove them
  9. The selected items will be deleted from your Mac and are sent directly to the Trash if they fit. To finish the clean up, empty the Trash to permanently delete the chosen files and folders.empty the Trash

Conclusion

The use of a disk analyzer can help resolve issues with inadequate space on your Mac. Running a disk analysis will show you what files are taking up the most space so you can take action and remove them if possible. Even if you can’t remove some of the files, you may be able to compress them or move them to extended storage to free up space on your main disk. We suggest you analyze your disks regularly. You may be surprised at what you find!

FAQ

Use a disk analyzer to find out what’s taking up your Mac’s disk space. The steps are similar regardless of the specific tool you use.

  1. Launch the disk analyzer.
  2. Select the disk you want to be analyzed.
  3. When the scan finishes, sort the results in size order if the tool permits it.
  4. Now you can see which files are taking up space and take whatever action you think is appropriate.

You can analyze disk space on a Mac with a dedicated space analyzer tool. They all work similarly, so the following steps should work with just about any analyzer.

  1. Download and install the analyzer to your Mac or MacBook.
  2. Start the program and choose a disk to be analyzed.
  3. Allow the program to scan your disk and provide information on files resident on the storage device.
  4. Study the scan results to see how your disk is being used.

Over time, your Mac can accumulate a lot of unnecessary or duplicate files that make it impossible to download or save new items to your computer. Using a disk space analyzer identifies the files taking up space and allows you to remove them so your Mac will continue to operate optimally.
Use this procedure to clear up disk space using Disk Drill:

  1. Launch Disk Drill.
  2. Select the Clean up option and choose the disk with which you want to work.
  3. Click the Start scan button to begin analyzing the disk.
  4. Use the scan results to determine which files are duplicates or unnecessary and select them for removal.
  5. Click the Remove button to finish the process.
  6. Check your Trash and empty it if the removed files have been placed there.

With his keen understanding of technology and his ability to make it accessible to a general audience, David has been covering technology-related topics for the greater part of his career. When not researching, writing, or proofreading, David likes to spend time with his wife and young daughter.

1 comment on “Best 10 Disk Space Analyzers for Mac in 2021

  1. Avatar Parenting says:

    Thank you for this article, this was a good read.

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