DiskMaster vs HDDScan

DDiskMaster9.4Visit HDDScan8.0Visit

Higher score D DiskMaster #1 in Disk Diagnostic Software 9.4/10 Free plan Free plan✓ 0 of 5 features Visit DiskMaster

vs

HDDScan #8 in Disk Diagnostic Software 8.0/10 Free plan Free plan✓ 0 of 5 features Visit HDDScan

• DiskMaster fits best

  Cross-platform monitoring and diagnostics

• HDDScan fits best

  Free technical Windows diagnostics

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Side by side

Feature	DDiskMaster 9.4/10 Visit ↗	HDDScan 8.0/10 Visit ↗
At a glance
Editor score	9.4	8.0
Ranking	#1 in Disk Diagnostic Software	#8 in Disk Diagnostic Software
Best for	Cross-platform monitoring and diagnostics	Free technical Windows diagnostics
Pricing model	Free	Free
Starting price	Free plan	Free
Free plan	✓	✓
Free trial	—	—
Deployment	Desktop	Desktop
Platforms	Windows, macOS, Linux	Windows
Built for	Solo, Small business	Solo, Small business
Features DiskMaster 0/5 · HDDScan 0/5
Bad-sector scan	Not checked yet	Not checked yet
Read/write testing	Not checked yet	Not checked yet
Surface scan	Not checked yet	Not checked yet
Bootable media	Not checked yet	Not checked yet
SMART tests	Not checked yet	Not checked yet
Specs
Platform	Not checked yet	Not checked yet
Maximum drive size	Not checked yet	Not checked yet
Our review
Pros	SMART monitoring, self-tests, surface scans, and health scoring History charts track temperature, wear, and drive counters Alerts, reports, repair tools, and Windows/Linux/macOS support	SMART analysis plus short, extended, and conveyance tests Surface verification, read, erase, and butterfly read tests Reports, temperature monitoring, background operation, and command-line support
Cons	SMART data reading depends on supported SATA and USB drives Focused on local monitoring rather than remote monitoring Repair tools are optional rather than part of the core workflow	Windows platform coverage limits use on other operating systems SSD wear tracking is not part of the documented feature set Remote monitoring and configurable temperature alerts are not included
Our verdict	DiskMaster is a free, open-source desktop application for monitoring and diagnosing drive health across Windows, Linux, and macOS. It reads native SMART data from supported SATA and USB drives, calculates an itemized health score, runs… Read the review →	HDDScan is a freeware diagnostic utility for hard disk drives, SSDs, USB storage, FireWire devices, SCSI drives, and supported RAID volumes. It is aimed at Windows users who need technical visibility into drive health, identity,… Read the review →

Strengths and trade-offs

• DiskMaster — where it wins

  • SMART monitoring, self-tests, surface scans, and health scoring
  • History charts track temperature, wear, and drive counters
  • Alerts, reports, repair tools, and Windows/Linux/macOS support

  Where it doesn't

  • SMART data reading depends on supported SATA and USB drives
  • Focused on local monitoring rather than remote monitoring
  • Repair tools are optional rather than part of the core workflow

• HDDScan — where it wins

  • SMART analysis plus short, extended, and conveyance tests
  • Surface verification, read, erase, and butterfly read tests
  • Reports, temperature monitoring, background operation, and command-line support

  Where it doesn't

  • Windows platform coverage limits use on other operating systems
  • SSD wear tracking is not part of the documented feature set
  • Remote monitoring and configurable temperature alerts are not included

• DDiskMaster9.4/10 · Free plan

  A free, open-source diagnostic suite for monitoring and investigating drive health.

  Visit DiskMasterFull verdict →
• HDDScan8.0/10 · Free plan

  A free Windows diagnostic utility with SMART analysis, surface tests, reports, and monitoring.

  Visit HDDScanFull verdict →