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Diskus

Free#67 of 104 in Disk Space Analyzers

Diskus: A focused Windows tool for visualizing and cleaning internal, SSD, and USB storage. Ranked #67 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: Free plan; best for windows users wanting simple USB-drive analysis.

3.0/10Editor score

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At a glance

Editor score
3.0 / 10
Pricing
Free plan
Best for
Windows users wanting simple USB-drive analysis
Free plan
Yes
Paid from
Free
Desktop platforms
windows
Facts checked
22 Sep 2026

Where it wins
- Interactive sunburst diagrams make folder usage easy to explore
- Scans internal, SSD, and USB drives with size-sorted file lists
- Filters, search, Explorer access, and undoable Trash actions support cleanup
Where it doesn't
- Available platform is currently Windows
- No treemap view for users who prefer rectangular space maps
- No verified reporting or integrations for broader storage workflows

Our verdict on Diskus

Diskus is a free desktop disk-space analyzer for Windows users who want a straightforward view of local storage. It scans internal, SSD, and USB drives, then presents folder usage through interactive sunburst diagrams. Size-sorted file lists, folder navigation, search, and configurable filters help users move from a visual overview to specific files. English and German localization adds a practical option for those language preferences, while Explorer access keeps file management within the Windows environment.

Its strongest fit is direct storage analysis rather than reporting or connected workflows. Users can choose the drive they want to inspect, search within the current folder, and adjust minimum file-size and hidden-file filters to narrow the view. The product also includes a Trash collector with undo, so cleanup actions can be routed through the system trash rather than treated as irreversible deletion. This combination suits personal computers and removable drives where the main task is understanding what occupies space and deciding what to remove.

Diskus is less suitable for teams, cross-platform households, or organizations that need integrations, verified reporting, or a treemap view. The currently presented platform is Windows, with macOS and Linux versions coming soon. Choose Diskus if interactive sunburst visualization, USB scanning, and simple local cleanup cover the requirement. Consider an alternative if storage analysis must connect with other systems, produce formal reports, or work across operating systems today.

Your product? Our editors can test Diskus in depth and publish a review, labelled as paid · from $149/mo →

Diskus pricing

Plans Free planFree Free to use — no paid tier required for the core job.

See plans on diskus-app.com

Diskus fact sheet

Free plan	Yes
Paid from	Free
Desktop platforms	windows
Treemap view	No
Application sizes	Not verified
File-type breakdown	Not verified
External drive scans	Yes
Exportable reports	Not verified
Scan scope	Files_folders
Deployment	Desktop
Platforms	Windows
Support	Email
Built for	Solo, Small business (editorial estimate)
Pricing	Free plan
Website	diskus-app.com
Facts checked	22 Sep 2026

Alternatives to Diskus

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Featured on iTechGuides

Diskus is listed in our Disk Space Analyzers directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update