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Head-to-head · Disk Space Analyzers

QDirStat vs DiskLens

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score QDirStat #17 in Disk Space Analyzers 7.1/10 Free plan Free plan✓ 3 of 5 features Visit QDirStat
DiskLens #32 in Disk Space Analyzers 5.6/10 Free plan Free plan✓ 3 of 5 features Visit DiskLens

QDirStat leads on 1 check, DiskLens on 0, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreQDirStat · 7.1/10
  • Free planboth

QDirStat scores higher on our rubric for disk space analyzers: 7.1 against 5.6 out of 10; our editors rank them #17 and #32.

QDirStat offers treemap view; DiskLens doesn't.

QDirStat is the better fit for free cross-platform desktop analysis. DiskLens is the better fit for free macOS and Windows visual analysis.

  • QDirStat fits best

    Free cross-platform desktop analysis

  • DiskLens fits best

    Free macOS and Windows visual analysis

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature QDirStat 7.1/10 Visit ↗ DiskLens 5.6/10 Visit ↗
At a glance
Editor score 7.1 5.6
Ranking #17 in Disk Space Analyzers #32 in Disk Space Analyzers
Best for Free cross-platform desktop analysis Free macOS and Windows visual analysis
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Desktop
Platforms Linux, macOS Windows, macOS
Built for Solo, Small business Solo, Small business
Features QDirStat 3/5 · DiskLens 3/5
Treemap view ✓ (best) —
Application sizes ✓ ✓
File-type breakdown ✓ ✓
External drive scans Not checked yet Not checked yet
Exportable reports Not checked yet ✓ (best)
Specs
Desktop platforms Linux, BSD, Unix-like systems; macOS macOS, Windows
Scan scope Files_folders_apps Files_folders_apps
Our review
Pros
  • Free GPL v2 open-source access
  • Treemap, tree, file-type, age, and histogram views
  • Cleanup actions and Linux package integrations
  • Free for personal and commercial use on macOS and Windows
  • Interactive sunburst chart plus largest-file and extension analysis
  • Local scans, cleanup actions, exclusions, and CSV/XML reports
Cons
  • No native Windows version
  • Package views depend on supported Linux systems
  • macOS binaries come through a separate distributor repository
  • Scans local folders and drives rather than broader storage environments
  • Reports are limited to CSV and XML formats
  • Platform connections focus on Finder and Windows Explorer
Our verdict

QDirStat is a free, open-source graphical disk-usage analyzer for Linux and macOS. It is designed for users who need to locate large files, understand directory usage, inspect installed software, and clean up local storage. Its main…

Read the review →

DiskLens is a desktop disk-space analyzer for macOS and Windows. It scans local folders or drives and presents storage usage through an interactive sunburst chart, helping users drill into folder and drive contents. The product also…

Read the review →
  1. QDirStatDisk Space Analyzers 7.1Free plan
  2. DiskLensDisk Space Analyzers 5.6Free plan

Strengths and trade-offs

  • QDirStat — where it wins

    • Free GPL v2 open-source access
    • Treemap, tree, file-type, age, and histogram views
    • Cleanup actions and Linux package integrations

    Where it doesn't

    • No native Windows version
    • Package views depend on supported Linux systems
    • macOS binaries come through a separate distributor repository
  • DiskLens — where it wins

    • Free for personal and commercial use on macOS and Windows
    • Interactive sunburst chart plus largest-file and extension analysis
    • Local scans, cleanup actions, exclusions, and CSV/XML reports

    Where it doesn't

    • Scans local folders and drives rather than broader storage environments
    • Reports are limited to CSV and XML formats
    • Platform connections focus on Finder and Windows Explorer

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update