Best 9 Disk Space Analyzers for Mac in 2025

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Best 9 Disk Space Analyzers for Mac in 2025

Now let’s look at 9 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.

Apps to Check Disk Space for Mac Testing Statistics:

Parameter	Value
Number of Software tested on Mac:	11
How long we test tools:	3 months
OS version:	macOS Sequoia
Perform disk cleaning:	Yes/No
Provides additional tools:	Yes/No

1. Disk Drill Clean Up

Best for: Regular storage space management.

Analyze disk space: Yes | Remove duplicate files: Yes | Perform disk cleaning: Yes | Provides additional tools: Yes | OS Support: macOS 10.11.6 or later

Developed by the well-known data recovery company CleverFiles, Disk Drill includes an intuitive disk space analyzer. This tool scans your drives and folders to identify space hogs, allowing you to easily delete them, move them to the Trash, or relocate them to a folder of your choice. It can also be configured to strike the right balance between performance and speed, making disk management both efficient and user-friendly.

Key Features:

• Fast visualizations – Disk Drill’s Cleaner doesn’t keep you waiting for visualizations to render. The app is blazingly fast even on older Macs.

• Multi-language support – The app is available in English, Arabic, Dutch, French, German, Hindi, Italian, Japanese, Korean, Malay, Polish, Portuguese, Russian, Simplified Chinese, Spanish, Swedish, and Turkish.

• Full Toolkit – The cleaner module is just a part of a bigger app that provides all tools you may need during storage maintenance from Data Recovery to S.M.A.R.T. monitoring.

Pros:

• Fresh user interface

• Intuitive file size visualization

• Efficient disk mapping algorithms

• Filter results by category or folder paths

Cons:

• Tech support is not available thorugh phone

Pricing plans:

• Cleaner tool is available in the free version of the app

Free Download

According to TrustPilot user feedback, the Cleaner module in Disk Drill is highly praised by Mac users for its fast yet thorough disk space analysis and management capabilities. Users appreciate its ability to generate visual data maps, making it easy to identify large files and folders that consume significant disk space.

The app supports a variety of disk types and offers multiple display modes for convenience. It is commended for real-time scanning results, effective filtering options, and its role in maintaining hard drive health. With an overall user rating of 4.5 out of 5, Disk Drill Clean Up receives positive remarks for its modern interface, enhanced disk mapping algorithms, and overall effectiveness in disk space management.

2. Disk Space Analyzer: Inspector

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 10.13 or later

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.

Key Features:

• Analyzes all disks – With Disk Space Analyzer, you can analyze any disk, including your startup disk and mounted disk images.

• Impressive speed – The developers of Disk Space Analyzer have greatly improved the scanning speed on macOS Sequoia.

Pros:

• Inexpensive tool

• Simple to use

• Supports all types of Mac storage

• You can delete files from within the app

• Available for FileVault folders

Cons:

• No extra disk tools

• Doesn’t support older versions of the Mac operating system

Pricing plans:

• A free version is available without a cleanup

• The Pro version of the tool costs $9.99/annual subscription

Free Download

On the App Store, Disk Space Analyzer: Inspector is well-regarded for its effective disk space management on Mac. Users highlight its intuitive sunburst-style diagram, which makes it easy to locate and manage large files and folders.

The app is praised for being user-friendly, supporting a variety of volume types, and providing real-time scanning. With a rating of 4.3 out of 5 from 161 reviews, it is valued for its simplicity and efficiency in identifying and removing unnecessary files, helping users optimize their storage. The main limitation noted is the lack of additional disk management features, but it remains a solid tool for straightforward space optimization.

3. DaisyDisk

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: macOS 10.13 through current macOS versions

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.

Key Features:

• Beautiful user interface – Gemini 2 can intelligently tell original files from their copies, and it remembers your choices to save you time during future cleanups.

• M4-ready – DaisyDisk is fully compatible with M4 Apple silicon Macs, so you can expect it to run smoothly and deliver accurate results without much delay.

Pros:

• Distinctive graphical disk map

• Fast scanning speed

• Preview files before deleting them

• Support cloud storage scanning

Cons:

• No additional disk tool

Pricing plans:

• A free trial is available

• The full lifetime version costs $9.99

Free Download

DaisyDisk is highly praised for its interactive map visualization of disk space on Mac, making it easy to identify and remove large or unnecessary files. It supports both local and cloud storage and offers a unique interface, fast scanning, and real-time disk information.

Recent updates have improved hidden space detection and navigation, enhancing the overall user experience. While users generally appreciate its effectiveness in disk space management, some wish for more guidance when deleting temporary files.

4. Disk Analyzer Pro

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 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.

Key Features:

• Automatic categorization – Disk Analyzer Pro automatically categorizes discovered files based on their file types to help users achieve the desired results.

• Built-in file browser – Integrated into the application is a convenient file browser that you can use to browse your storage device.

Pros:

• Intuitive user interface

• Delete and compress files from within the app

• Custom scan summaries

Cons:

• No free trial version

• Information-overloaded interface

Pricing plans:

• $5.99

Buy Now

Disk Analyzer Pro is a macOS app designed for disk space analysis and cleanup. Users value it for visualizing and managing disk space effectively. Key features include detailed storage reports, an integrated file explorer, and the ability to group files by size, type, or date.

It is praised for helping locate large and obsolete files, making disk space management easier. The latest update added minor bug fixes and improvements to the scan engine. Overall, users appreciate its comprehensive features and ease of use, making it a solid tool for optimizing storage on Mac devices.

5. GrandPerspective

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 11 or later

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.

Key Features:

• Regularly updated – GrandPerspective is regularly updated to maintain compatibility and fix bugs.

• Configurable display of views – You can choose how you want the software to display how storage space is utilized.

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:

• Earlier versions of macOS are only supported by legacy versions of the app

• A visual result is not always convenient

Pricing plans:

• Free version from the developer’s website

• $2.99 from App Store

Free Download

GrandPerspective is a Mac utility that provides a graphical view of disk usage using tree maps, making it easy to identify and manage space-hogging files. Users find it particularly helpful for pinpointing what is filling up their disks.

The app is praised for its simplicity, reliability, and the ability to zoom in on specific areas for a more detailed view of disk usage. Recent updates have improved scan speed and enhanced interface elements. Overall, users value GrandPerspective for its visual and detailed approach to disk space management.6. OmniDiskSweeper

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 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.

Key Features:

• Individual folders – You can scan individual folders as well as entire storage drives.

• Permanent deletion – The software can permanently delete files without moving them to Trash first.

Pros:

• Freeware with no cost

• Removes files without sending them to the Trash

Cons:

• Rare application updates

• No graphical display of results

Pricing plans:

• Freeware

Free Download

OmniDiskSweeper is a Mac utility designed to free up storage by clearing out unused files. It efficiently lists all files and directories on a disk, sorted by size, allowing users to quickly identify and delete large, unnecessary files.

The latest version, updated in October 2024, includes algorithm improvements and full support for the latest macOS versions. Users praise OmniDiskSweeper for its speed, efficiency, and straightforward approach to disk space management.

7. NCDU

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: Latest macOS versions and earlier

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.

Key Features:

• Excellent performance – Because NCDU doesn’t have a graphical user interface, and because its algorithms are highly optimized, it performs well even on older Macs.

• Homebrew formulae – You can install NCDU using Homebrew, a popular package manager for macOS.

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

NCDU is a disk usage analyzer with a terminal-based ncurses interface, highly regarded for its efficiency and simplicity. Users praise its fast performance, intuitive display, and the ability to exclude specific folders from analysis.

While some compare it to traditional command-line tools like du, NCDU stands out for its speed and ease of use, particularly in remote server environments. Overall, it is well-received as an effective tool for managing disk space.

8. Disk Inventory X

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: Officially macOS 10.13 – 10.15

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.

Key Features:

• Visual overview – Disk Inventory X displays a visual overview of storage space utilization, allowing you to see at a glance which folders take up the most storage space.

• Released under the GPL – The software is released under the GPL license, so you can use it without virtually any limitations.

Pros:

• Freeware tool

• Tree view of files and folders

Cons:

• No official support for newer versions of macOS

• No additional disk tools

• Slow scanning speed compared to other tools

Pricing plans:

• Freeware

Free Download

Disk Inventory X is a well-known macOS utility praised for its unique treemap visualization, which makes it easy to identify large files and folders consuming significant disk space. Users appreciate its efficiency in managing storage and the clarity provided by its graphical approach.

Although the app’s last update was some time ago, it continues to be valued for its innovative method of visualizing and organizing disk usage, helping users optimize their Mac storage effectively.

9. WhatSizeMac

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 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.

Key Features:

• Chart display – WhatSizeMac visualizes your disk space utilization as an interactive chart.

• Cleaning tools – Included with WhatSizeMac are cleaning tools that you can use to remove common space-wasters, such as logs.

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

WhatSize is a disk space management tool for Mac with mixed reviews, holding an overall rating of 3.8 out of 5 based on 144 user ratings. Users appreciate its ability to quickly measure folder sizes and sort files and folders by size, which helps identify and remove large, unnecessary files.

However, some users criticize its high price, especially compared to alternatives like DaisyDisk and GrandPerspective. The latest version adds support for macOS Sequoia. While many find it a clever and useful utility, others feel it is overpriced relative to its functionality.

How to Choose a Space Analyzer Solution for Mac

Selecting the right hard drive analyzer for your Mac can be challenging, given the wide range of options available. Consider the following factors when choosing a disk space analysis app:

• 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.

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.

   

2. Click on the Clean Up tool located in the left-hand panel of Disk Drill’s interface.

3. Select the drive or folder you wish to analyze and click the Start Scan button.

   

4. You will be notified by a ‘Scan complete’ message when the scanning process is finished.

5. Now you can drag folder to the caddy at the bottom or click on it to open it accessing subfolders or individual files.

   

6. Found garbage automatically sorted by size to make it easy to find the items you want to delete.

7. To delete selected files or folders click on Review & Remove and choose what you wish to do – you can move selected items to trash, delete them permanently or move to a different location, for example USB drive, if you’re not ready to say goodbye to them yet.

   

8. Don’t forget to empty the Trash if you’ve opted for this option to permanently delete the chosen files and folders.

   

Why Do You Need a Disk Analyzer for Mac?

Apple devices often come with high storage costs, which leads many users to choose Macs with smaller drives. Even with ample storage, it’s much easier to fill your disk than to free it up by manually deleting unnecessary files.

Over time, your Mac accumulates junk files—leftover system and app data, duplicates, forgotten downloads, and more. Manually tracking down these files is time-consuming and tedious, which is where disk space analyzers become essential.

A good disk analyzer can quickly pinpoint the largest files and folders, showing you exactly where to focus your cleanup efforts. This makes it fast and painless to reclaim storage and keep your Mac running efficiently.