Head-to-head · Disk Space Analyzers
SpaceObServer vs gdu
SpaceObServer leads on 1 check, gdu on 1, 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 scoreSpaceObServer · 8.8/10
- Free planonly gdu
- Most featuresSpaceObServer · 4 of 5
SpaceObServer scores higher on our rubric for disk space analyzers: 8.8 against 4.0 out of 10; our editors rank them #5 and #48.
gdu offers free plan; SpaceObServer doesn't. SpaceObServer offers file-type breakdown; gdu doesn't.
SpaceObServer is the better fit for enterprise Windows storage reporting. gdu is the better fit for free terminal or browser analysis everywhere.
- SpaceObServer fits best
Enterprise Windows storage reporting
- gdu fits best
Free terminal or browser analysis everywhere
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Side by side
| Feature | SpaceObServer 8.8/10 Visit ↗ | gdu 4.0/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 8.8 | 4.0 |
| Ranking | #5 in Disk Space Analyzers | #48 in Disk Space Analyzers |
| Best for | Enterprise Windows storage reporting | Free terminal or browser analysis everywhere |
| Pricing model | Paid | Free |
| Starting price | — | Free plan |
| Free plan | — | ✓ (best) |
| Free trial | — | — |
| Deployment | Self-hosted, Desktop | Self-hosted, Desktop |
| Platforms | Windows | Web, Windows, macOS, Linux |
| Support | Email, Phone | Community, Docs |
| Built for | Mid-market, Enterprise | Solo, Small business |
| Features SpaceObServer 4/5 · gdu 3/5 | ||
| Treemap view | ✓ | ✓ |
| Application sizes | Not checked yet | — |
| File-type breakdown | ✓ (best) | — |
| External drive scans | ✓ | ✓ |
| Exportable reports | ✓ | ✓ |
| Specs | ||
| Desktop platforms | windows | Linux, macOS, Windows |
| Scan scope | Files_folders | Files_folders |
| Our review | ||
| Pros |
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| Cons |
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| Our verdict | SpaceObServer is an on-premises Windows application for analyzing and managing storage across servers, shares, drives, and supported cloud storage systems. It is aimed at mid-market and enterprise organizations that need recurring… 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 → |
Strengths and trade-offs
SpaceObServer — where it wins
- Directory, file, duplicate, history, and distribution analysis
- Recurring scans with Excel, HTML, PDF, CSV, text, and image exports
- Integrations across SharePoint, Azure Blob Storage, Amazon S3, and Linux/Unix
Where it doesn't
- Paid product with no free plan
- Windows desktop deployment limits platform flexibility
- Advanced automated reporting is limited to Enterprise Edition
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
- SpaceObServer8.8/10 · Paid
A mature Windows tool for recurring storage analysis, reporting, duplicates, and permissions.
Visit SpaceObServerFull verdict → - gdu4.0/10 · Free plan
A free, open-source analyzer for detailed local storage inspection across five platforms.
Visit gduFull 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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