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Disk Space Fan

Paid#75 of 104 in Disk Space Analyzers

Disk Space Fan: A Windows disk analyzer with nested visualizations, extension filters, and duplicate detection. Ranked #75 of 104 in Disk Space Analyzers by our editors (3.0/10); pricing: 15-day trial; best for windows users focused on fast scans and duplicates.

3.0/10Editor score

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At a glance

Editor score
3.0 / 10
Pricing
15-day trial
Best for
Windows users focused on fast scans and duplicates
Free plan
No
Desktop platforms
windows
Facts checked
23 Sep 2026

Where it wins
- Nested Ringschart visualization shows how disk space is allocated.
- Finds duplicate files by hash or file metadata.
- MFT-based scanning supports faster drive scans.
Where it doesn't
- Windows desktop software only.
- The unregistered version lasts 15 days before registration is required.
- No treemap view is listed.

Our verdict on Disk Space Fan

Disk Space Fan is a Windows desktop utility for analyzing drive and folder storage, aimed at people who want to find large, unnecessary, or duplicate files and reclaim space. Its nested Ringschart visualization presents disk-space allocation, while extension filters help narrow scan results. Users can browse and inspect files or folders from those results and delete selected items. This makes it a focused option for Windows users who want an at-a-glance view alongside file-level cleanup tools, rather than a general storage-management suite.

Scanning can target either drives or folders, and MFT-based scanning is offered for fast drive scans. Duplicate detection works with either hashes or file metadata; when removing duplicates, users can optionally create shortcuts. These features make the product relevant when the immediate task is locating repeated files or drilling into a particular folder or file type. The Ringschart is the named visualization; a treemap view is not part of the listed feature set, so users who specifically want that style of overview should consider another analyzer.

Disk Space Fan is distributed as shareware: the unregistered version can be used for 15 days before registration is required. The published information refers to registration but does not establish a current price, so prospective buyers should confirm the terms before paying. Email and documentation are the listed support channels. Overall, it suits solo users and small teams on Windows who value fast scans and duplicate cleanup; it is a less suitable fit for people who need a free plan, work outside Windows, or require a treemap view.

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Disk Space Fan pricing

Plans 15-day trialPaid No free plan — trial or paid only. Prices checked 23 Sep 2026.

See plans on diskspacefan.net

Disk Space Fan fact sheet

Free plan	No
Paid from	Not verified
Desktop platforms	windows
Treemap view	No
Application sizes	Not verified
File-type breakdown	Yes
External drive scans	Not verified
Exportable reports	Not verified
Scan scope	Files_folders
Free trial	15 days
Deployment	Desktop
Platforms	Windows
Support	Email, Docs
Built for	Solo, Small business (editorial estimate)
Pricing	15-day trial
Website	diskspacefan.net
Facts checked	23 Sep 2026

Alternatives to Disk Space Fan

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Featured on iTechGuides

Disk Space Fan 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