If your disk keeps filling up and you can’t identify the cause of the problem, a Mac disk space analyzer is one of the easiest ways to locate and delete large files instantly. This guide lists the 10 best disk analyzers for Mac in 2025, covering both free and paid options so you can reclaim storage with confidence.
If you want to actually free up disk space on your Mac, not just see what’s taking it, Tenorshare Cleamio is the best Mac disk space analyzer overall. Unlike traditional disk analyzers that only visualize storage usage, Cleamio finds and removes large files, System Data, duplicates, and hidden caches automatically. That’s why it’s the top choice for users dealing with “Disk Almost Full” issues.
Macs accumulate clutter for many reasons, and most users don’t even notice until a “Your disk is almost full” warning suddenly appears.
Apple’s built-in Storage tab only shows vague categories and won’t let you drill down or delete safely. However, A macOS disk usage analyzer and storage visualizer can fix this in senconds:
Below are the top-rated Mac disk space analyzers in 2025 with an overview, features, pros, cons, and pricing.
➡️ Which Mac Disk Space Analyzer Should You Choose?
Baobab is a lightweight, open-source disk usage tool known for its simple interface and fast scanning performance. It provides clear graphical visualizations to help Mac users quickly identify which folders and files consume the most space. If you want a free and reliable Mac disk space analyzer without unnecessary extras, Baobab is an excellent starting point.
Price: Free
Main Features:
Pros
Cons
Powered by real AI (not just marketing buzzwords), it combines disk analysis, debloat macOS, cache cleanup, duplicate removal, and app uninstallation into one easy-to-use dashboard. For users who want deep cleaning with automation rather than manual searching, Cleamio offers both power and convenience.
Why Cleamio Converts Better Than Disk Analyzers
Price: 7-day free trial; then starts at $24.95/month with 15 free special offers
Main Features:
Most disk analyzers show you what’s using space. Cleamio actually frees it.
Pros
Cons
WinDirStat for Mac adapts the classic Windows-based visualization tool to Macs with its ARM architecture, offering a colorful treemap layout that displays disk usage at a glance. The graphical blocks make it very easy to spot extremely large files and unnecessary folders. Users who prefer storage visualizers rather than text-based lists will find this tool intuitive and informative.
Price: Free
Main Features:
Pros
Cons
WizTree for Mac is known for its remarkably fast scanning engine, capable of mapping disk usage in just a few seconds. It displays results in both list and treemap formats, making it easy to compare file sizes and spot space hogs immediately. If speed is your top priority, WizTree is one of the best hard drive space analyzers available.
Price: Starts at $25
Main Features:
Pros
Cons
TreeSize for Mac organizes your files in a clear, hierarchical structure that makes it easy to drill down into folders and track large or duplicate files. It provides customizable reports and filters so advanced users can analyze disk usage with precision. This macOS disk space analyzer is ideal for those who want more control and deeper insights than basic free apps offer.
Price: free version & full version starting at $24/month
Main Features:
Pros
Cons
DaisyDisk is one of the most visually polished disk analyzers available, featuring an interactive sunburst map that simplifies cleaning. The drag and drop interface makes it effortless to review and delete large files without digging through Finder. Its balance of beauty, simplicity, and power makes it a favorite among everyday Mac users.
Price: One-time purchase of $9.99
Main Features:
Pros
Cons
OmniDiskSweeper focuses on speed and simplicity, listing your files from largest to smallest in a clean column-based layout. There are no complex dashboards or analytics, just a straightforward view of what’s taking up precious space. For users who want a minimalist Mac OS X disk analyzer that gets the job done quickly, this app is a solid option.
Price: Free
Main Features:
Pros
Cons
Disk Inventory X provides a visual treemap combined with a detailed file list, giving users a full picture of disk usage. Though the interface is older, the tool remains lightweight, fast, and completely free. It’s well-suited to users who want reliable results without needing a modern UI.
Price: Free
Main Features:
Pros
Cons
GrandPerspective displays your storage layout with colorful, interactive blocks that show exactly where your disk space is going. Users can zoom into specific areas and filter results to quickly find outdated or oversized files. It’s a great free option for visual learners who prefer graphs over traditional folder views.
Price: Free; $2.99 from App Store
Main Features:
Pros
Cons
SquirrelDisk offers a clean, modern interface that highlights large files and folders using easy-to-read visual maps. It focuses on simplicity, guiding users through disk cleanup without requiring technical knowledge. If you want a fresh, lightweight analyzer with an intuitive design, SquirrelDisk is a strong pick.
Price: Free
Main Features:
Pros
Cons
If you want to analyze your Mac’s disk space and free up storage with ease, then this section discusses the 2 most effective methods you may use:
Tenorshare Cleamio provides a full scanning engine that automatically detects large files, duplicates, old caches, and hidden system items. Its interface guides you through safe cleanup without risking important system data.
Follow these steps to locate and delete unnecessary large files.
Yes, most disk analyzers only read your storage. If you download from reputable sources, they’re safe.
Delete large files, clear system caches, uninstall unused apps, and use tools like Cleamio for deep cleaning.
There are many options, including DaisyDisk, Cleamio, Baobab, and Disk Inventory X.
Yes, macOS includes Storage Management, but it’s limited compared to third-party analyzers.
Yes, TreeSize is a reputable enterprise-grade storage analysis tool.
Most users benefit from scanning once every 1–2 weeks, especially if storage runs low.
A reliable Mac disk space analyzer makes it easy to find large files, remove storage clutter, and keep your system running efficiently. Whether you prefer a free tool like Baobab or a polished solution like DaisyDisk, these analyzers reveal exactly what’s filling your disk.
If you want a complete all-in-one cleaner with powerful optimization tools, Tenorshare Cleamio is the best choice for effortless Mac maintenance and long-term performance.
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Cleamio
All-in-One Mac Cleaner & Optimizer
Cleamio: All-in-One Mac Cleaner & Optimizer
Clean junk files, free up space, and boost Mac performance
No.1 Mac Cleaner & Optimizer
Clean, speed up, and optimize your Mac
By Jenefey Aaron
2026-01-31 / Mac Cleanup