WinDirStat vs FolderSizes

WinDirStat9.1Visit FolderSizes7.9Visit

Higher score WinDirStat #2 in Disk Space Analyzers 9.1/10 Free plan Free plan✓ 3 of 5 features Visit WinDirStat

vs

FolderSizes #9 in Disk Space Analyzers 7.9/10 Free plan Free plan✓ 3 of 5 features Visit FolderSizes

• WinDirStat fits best

  Classic free Windows disk analysis

• FolderSizes fits best

  Windows reporting and scheduled analysis

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Side by side

Feature	WinDirStat 9.1/10 Visit ↗	FolderSizes 7.9/10 Visit ↗
At a glance
Editor score	9.1	7.9
Ranking	#2 in Disk Space Analyzers	#9 in Disk Space Analyzers
Best for	Classic free Windows disk analysis	Windows reporting and scheduled analysis
Pricing model	Free	Free plan + paid
Starting price	Free plan	$30 one-time
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows	Windows
Support	Community	Email
Built for	Solo, Small business	Solo, Small business, Mid-market, Enterprise
Features WinDirStat 3/5 · FolderSizes 3/5
Treemap view	✓	✓
Application sizes	Not checked yet	Not checked yet
File-type breakdown	✓	✓
External drive scans	Not checked yet	Not checked yet
Exportable reports	✓	✓
Specs
Desktop platforms	Windows	Windows
Scan scope	Files_folders	Files_folders
Our review
Pros	Interactive treemap makes large storage areas easy to spot Duplicate detection supports content- or hash-based matching CSV export, search, and filtering support follow-up analysis	Scans local, network, mapped, UNC, and external drives Finds large, old, duplicate, temporary, and other file classes Supports scheduled reports, snapshots, trend analysis, and exports
Cons	Windows-only availability limits cross-platform use Scanning is focused on local drives and individual folders Cleanup workflows are centered on files and scan results	Windows-only availability limits cross-platform use Installed-application size analysis is not a dedicated view Advanced reporting features require a paid edition
Our verdict	WinDirStat is a free, open-source disk usage analyzer and cleanup tool for Microsoft Windows. It is designed for people who need to understand where storage is being used across local drives or individual folders. The interface combines… Read the review →	FolderSizes is a Windows disk space analyzer for individuals, consultants, businesses, and IT administrators. It scans local drives, folders, network paths, mapped and UNC locations, and external drives, then reports folder and file sizes… Read the review →

Strengths and trade-offs

• WinDirStat — where it wins

  • Interactive treemap makes large storage areas easy to spot
  • Duplicate detection supports content- or hash-based matching
  • CSV export, search, and filtering support follow-up analysis

  Where it doesn't

  • Windows-only availability limits cross-platform use
  • Scanning is focused on local drives and individual folders
  • Cleanup workflows are centered on files and scan results

• FolderSizes — where it wins

  • Scans local, network, mapped, UNC, and external drives
  • Finds large, old, duplicate, temporary, and other file classes
  • Supports scheduled reports, snapshots, trend analysis, and exports

  Where it doesn't

  • Windows-only availability limits cross-platform use
  • Installed-application size analysis is not a dedicated view
  • Advanced reporting features require a paid edition

• WinDirStat9.1/10 · Free plan

  A classic Windows analyzer with treemaps, file breakdowns, duplicate detection, and CSV export.

  Visit WinDirStatFull verdict →
• FolderSizes7.9/10 · Free plan

  A detailed Windows analyzer with scheduled reporting, visualizations, and one-time pricing.

  Visit FolderSizesFull verdict →