Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · Disk Space Analyzers

QDirStat vs gdu

  • Updated Oct 2026
  • Both researched from official sources
  • 6 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
gdu #48 in Disk Space Analyzers 4.0/10 Free plan Free plan✓ 3 of 5 features Visit gdu

QDirStat leads on 2 checks, gdu on 0, and 4 are even. Who comes out ahead on the 6 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 4.0 out of 10; our editors rank them #17 and #48.

QDirStat offers application sizes; gdu doesn't. QDirStat offers file-type breakdown; gdu doesn't. On scan scope, QDirStat gives you Files_folders_apps where gdu offers Files_folders.

QDirStat is the better fit for free cross-platform desktop analysis. gdu is the better fit for free terminal or browser analysis everywhere.

  • QDirStat fits best

    Free cross-platform desktop analysis

  • gdu fits best

    Free terminal or browser analysis everywhere

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 ↗ gdu 4.0/10 Visit ↗
At a glance
Editor score 7.1 4.0
Ranking #17 in Disk Space Analyzers #48 in Disk Space Analyzers
Best for Free cross-platform desktop analysis Free terminal or browser analysis everywhere
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Desktop Self-hosted, Desktop
Platforms Linux, macOS Web, Windows, macOS, Linux
Built for Solo, Small business Solo, Small business
Features QDirStat 3/5 · gdu 3/5
Treemap view ✓ ✓
Application sizes ✓ (best) —
File-type breakdown ✓ (best) —
External drive scans Not checked yet ✓ (best)
Exportable reports Not checked yet ✓ (best)
Specs
Desktop platforms Linux, BSD, Unix-like systems; macOS Linux, macOS, Windows
Scan scope Files_folders_apps Files_folders
Our review
Pros
  • Free GPL v2 open-source access
  • Treemap, tree, file-type, age, and histogram views
  • Cleanup actions and Linux package integrations
  • Interactive terminal, command-line, and local browser interfaces
  • Treemaps, donut charts, JSON, SQLite, and BadgerDB storage
  • Supports Linux, macOS, Windows, Android, and web access
Cons
  • No native Windows version
  • Package views depend on supported Linux systems
  • macOS binaries come through a separate distributor repository
  • The browser interface depends on the command-line application
  • Focused on local disks rather than hosted storage analysis
  • Deletion and trash features require careful operator review
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 →

gdu is an open-source disk-usage analyzer written in Go for inspecting local files and folders. It suits users who want storage visibility from a terminal, a non-interactive command-line workflow, or a browser interface served locally by…

Read the review →
  1. QDirStatDisk Space Analyzers 7.1Free plan
  2. gduDisk Space Analyzers 4.0Free 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
  • gdu — where it wins

    • Interactive terminal, command-line, and local browser interfaces
    • Treemaps, donut charts, JSON, SQLite, and BadgerDB storage
    • Supports Linux, macOS, Windows, Android, and web access

    Where it doesn't

    • The browser interface depends on the command-line application
    • Focused on local disks rather than hosted storage analysis
    • Deletion and trash features require careful operator review
  • QDirStat7.1/10 · Free plan

    A capable free analyzer for Linux and macOS users who need visual storage insight.

    Visit QDirStatFull verdict →
  • gdu4.0/10 · Free plan

    A free, open-source analyzer for detailed local storage inspection across five platforms.

    Visit gduFull verdict →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update