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Head-to-head · Disk Space Analyzers

SpaceObServer vs gdu

  • Updated Oct 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score SpaceObServer #5 in Disk Space Analyzers 8.8/10 Paid ✓ 4 of 5 features Visit SpaceObServer
gdu #48 in Disk Space Analyzers 4.0/10 Free plan Free plan✓ 3 of 5 features Visit 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
  • 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
  • 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
  • Paid product with no free plan
  • Windows desktop deployment limits platform flexibility
  • Advanced automated reporting is limited to Enterprise Edition
  • 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

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 →
  1. SpaceObServerDisk Space Analyzers 8.8Paid
  2. gduDisk Space Analyzers 4.0Free plan

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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update