Head-to-head · Disk Space Analyzers
WizTree vs QDirStat
WizTree leads on 0 checks, QDirStat on 1, and 5 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 scoreWizTree · 8.9/10
- Free planboth
- Most featuresWizTree · 4 of 5
WizTree scores higher on our rubric for disk space analyzers: 8.9 against 7.1 out of 10; our editors rank them #4 and #17.
QDirStat offers application sizes; WizTree doesn't. On scan scope, QDirStat gives you Files_folders_apps where WizTree offers Files_folders.
WizTree is the better fit for fast, simple Windows space analysis. QDirStat is the better fit for free cross-platform desktop analysis.
- WizTree fits best
Fast, simple Windows space analysis
- QDirStat fits best
Free cross-platform desktop analysis
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Side by side
| Feature | WizTree 8.9/10 Visit ↗ | QDirStat 7.1/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.9 | 7.1 |
| Ranking | #4 in Disk Space Analyzers | #17 in Disk Space Analyzers |
| Best for | Fast, simple Windows space analysis | Free cross-platform desktop analysis |
| Pricing model | Free plan + paid | Free |
| Starting price | — | Free plan |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Desktop | Desktop |
| Platforms | Windows, macOS | Linux, macOS |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business |
| Features WizTree 4/5 · QDirStat 3/5 | ||
| Treemap view | ✓ | ✓ |
| Application sizes | — | ✓ (best) |
| File-type breakdown | ✓ | ✓ |
| External drive scans | ✓ (best) | Not checked yet |
| Exportable reports | ✓ (best) | Not checked yet |
| Specs | ||
| Desktop platforms | Windows, macOS | Linux, BSD, Unix-like systems; macOS |
| Scan scope | Files_folders | Files_folders_apps |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | WizTree is a Windows disk-space analyzer for people who need to understand how files and folders consume storage. It scans hard drives, network drives, USB drives, MTP/PTP devices, and individual directories, then presents the results in… Read the review → |
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 → |
Strengths and trade-offs
WizTree — where it wins
- Visual treemap and tree views reveal large storage consumers
- Scans network, USB, MTP/PTP devices, and individual directories
- Wildcard search, duplicate detection, and CSV export support cleanup work
Where it doesn't
- The free version is limited to personal use
- Available only on Windows
- Commercial licensing is required for business use
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
- WizTree8.9/10 · Free plan
A focused Windows analyzer with treemaps, duplicate detection, and broad device scanning.
Visit WizTreeFull verdict → - QDirStat7.1/10 · Free plan
A capable free analyzer for Linux and macOS users who need visual storage insight.
Visit QDirStatFull verdict →
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All disk space analyzers comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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