Best Disk Space Analyzer Products in 2026

Clean, protect and speed up your Mac.

Key CleanMyMac X features:

User-Friendly Interface Comprehensive Cleaning Performance Optimization Safety Database

Measure helps mobile teams monitor and fix crashes, ANRs, bugs, and performance issues. The open source alternative to Firebase Crashlytics.

Key Measure.sh features:

Crash Reporting Session Replay Performance Monitoring Bug Reporting

Try for free Open Source freemium $25 / Monthly (25GB of log/metric/ traces/session replay) Sponsored

DaisyDisk is a disk analyzer tool for OS X that visualizes hard disk usage and allows to free up hard disk space.

Key DaisyDisk features:

Visual Interface Speed User-Friendly Multiple Disk Support

paid Free Trial $9.99 / One-off

WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.

Key WinDirStat features:

Free and Open Source Comprehensive Visualization Multiple File Views Customizable Cleanup Actions

Open Source

GrandPerspective is a small utility application for Mac that graphically shows the disk usage...

Key GrandPerspective features:

Visualization Open Source User-Friendly Customizable

Open Source

CCleaner cleans, speeds up and frees up space on business endpoints.

Key CCleaner features:

Ease of Use Automated Cleaning System Optimization Customizable Cleaning

Disk Inventory X is an open source disk space analyzer and disk management tool for the Mac OS X operating systems that allow the OS X users to check for the availability of free space in their machines.

Key Disk Inventory X features:

Freeware Visual Disk Usage Representation User-Friendly Interface Cross-Platform

free

A disk cleaner for Mac, Windows and Linux that asks first: see what fills your disk, choose what goes, undo for 7 days.

Key Bytesweep.app features:

7-day undo Safe or Check first Duplicate finder Organize a folder

paid Free Trial $29.99 / One-off (One computer, no subscription)

A fast, native storage manager for macOS. See what fills your disk, understand System Data and free up space safely: Trash first, with Undo.

freemium $19.99 / Annually (Pro, or $39.99 once (lifetime))

Mac storage management for developers and studios: review cleanup, organize work files and inspect AI workspace storage. Mint Direct includes CLI and MCP access.

freemium $39.99 / One-off (Unlimited, 1 Mac, includes 1.x updates)

Shows what's using your Mac's storage, including System Data, and lets you clean it or move big folders to an external drive and back. Free to scan, first 5 GB free, then $25 a year.

freemium $25 / Annually (After your first 5 GB freed. 14-day refund.)

Dual-pane file manager for all your clouds: Google Drive, OneDrive, S3, NAS and 40+ more. A desktop GUI for rclone that keeps your credentials on your machine.

Key Ultra-Explorer.app features:

Dual-pane explorer Supported storages Cloud-to-cloud transfers Persistent transfer queue

freemium $3.99 / Monthly

A libre FTP, SFTP, WebDAV, S3, Backblaze B2, Azure & OpenStack Swift browser.

Key Cyberduck features:

User-Friendly Interface Wide Protocol Support Open Source Integration with External Editors

Open Source

WizTree quickly finds the files and folders using the most space on your hard drive. It scans the MFT (Master File Table) instead of crawling the entire disk which makes it very fast.

Key WizTree features:

Speed User-Friendly Interface Detailed Visualization No Installation Required