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Head-to-head · System Restore Software

Unified Write Filter vs OS-Easy OSS (OS Support Software)

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Unified Write Filter #2 in System Restore Software 9.0/10 Pricing on request ✓ 1 of 3 features Visit Microsoft
OS-Easy OSS (OS Support Software) #5 in System Restore Software 7.7/10 Pricing on request ✓ 2 of 3 features Visit OS-EASY

Unified Write Filter leads on 0 checks, OS-Easy OSS (OS Support Software) on 1, and 2 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreUnified Write Filter · 9.0/10
  • Most featuresOS-Easy OSS (OS Support Software) · 2 of 3

Unified Write Filter scores higher on our rubric for system restore software: 9.0 against 7.7 out of 10; our editors rank them #2 and #5.

On restore trigger, OS-Easy OSS (OS Support Software) gives you Manual where Unified Write Filter offers Reboot. On rollback scope, Unified Write Filter gives you Full-volume where OS-Easy OSS (OS Support Software) offers System. On platform support, OS-Easy OSS (OS Support Software) gives you Cross-platform where Unified Write Filter offers Windows-only. OS-Easy OSS (OS Support Software) offers classroom controls; Unified Write Filter doesn't.

Unified Write Filter is the better fit for windows devices requiring enterprise write filtering. OS-Easy OSS (OS Support Software) is the better fit for large institutions deploying mixed operating systems.

  • Unified Write Filter fits best

    Windows devices requiring enterprise write filtering

  • OS-Easy OSS (OS Support Software) fits best

    Large institutions deploying mixed operating systems

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Side by side

Feature Unified Write Filter 9.0/10 Visit ↗ OS-Easy OSS (OS Support Software) 7.7/10 Visit ↗
At a glance
Editor score 9.0 7.7
Ranking #2 in System Restore Software #5 in System Restore Software
Best for Windows devices requiring enterprise write filtering Large institutions deploying mixed operating systems
Pricing model Paid Paid
Starting price Pricing on request Pricing on request
Free plan Not checked yet Not checked yet
Free trial — —
Deployment Desktop Self-hosted
Platforms Windows Windows, Linux, iOS, Android
Support Docs Email, Phone
Built for Small business, Mid-market, Enterprise Mid-market, Enterprise
Features Unified Write Filter 1/3 · OS-Easy OSS (OS Support Software) 2/3
Kiosk mode — Not checked yet
Classroom controls — ✓ (best)
Central management ✓ ✓
Specs
Restore trigger Reboot Manual
Rollback scope Full-volume System
Protected devices Not checked yet Not checked yet
Platform support Windows-only Cross-platform
Our review
Pros
  • Reboot-cleared overlays restore protected volumes to a clean state
  • Supports file, folder and registry-key exclusions
  • Local and remote management through uwfmgr.exe, CSP and WMI
  • Rapid deployment to hundreds or thousands of terminals
  • Windows, Linux, iOS and Android management in one platform
  • Exam environments, restrictions and role-based classroom controls
Cons
  • Runs only on Windows
  • Requires Enterprise, Education or IoT Enterprise editions
  • Reboot is the standard trigger for clearing the overlay
  • Commercial terms require contacting sales
  • Self-hosted deployment requires institutional hosting management
  • Published specifications identify a manual restore trigger
Our verdict

Unified Write Filter (UWF) is an optional Windows feature that intercepts writes to protected volumes and redirects them to a temporary or persistent overlay. After a reboot, the temporary overlay is cleared so the device returns to its…

Read the review →

OS-Easy OSS is a self-hosted computer-lab support platform for educational institutions managing standardized teaching, testing and specialized laboratory environments. It combines operating-system and software deployment with protected…

Read the review →
  1. Unified Write FilterSystem Restore Software 9.0Pricing on request
  2. OS-Easy OSS (OS Support Software)System Restore Software 7.7Pricing on request

Strengths and trade-offs

  • Unified Write Filter — where it wins

    • Reboot-cleared overlays restore protected volumes to a clean state
    • Supports file, folder and registry-key exclusions
    • Local and remote management through uwfmgr.exe, CSP and WMI

    Where it doesn't

    • Runs only on Windows
    • Requires Enterprise, Education or IoT Enterprise editions
    • Reboot is the standard trigger for clearing the overlay

  • OS-Easy OSS (OS Support Software) — where it wins

    • Rapid deployment to hundreds or thousands of terminals
    • Windows, Linux, iOS and Android management in one platform
    • Exam environments, restrictions and role-based classroom controls

    Where it doesn't

    • Commercial terms require contacting sales
    • Self-hosted deployment requires institutional hosting management
    • Published specifications identify a manual restore trigger
  • Unified Write Filter9.0/10 · Pricing on request

    Enterprise Windows write filtering that resets protected volumes on reboot.

    Visit MicrosoftFull verdict →
  • OS-Easy OSS (OS Support Software)7.7/10 · Pricing on request

    Cross-platform lab management with rapid deployment, restoration and classroom controls.

    Visit OS-EASYFull verdict →

More comparisons

All system restore software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update