Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

Head-to-head · Disk Diagnostic Software

smartmontools vs HDDScan

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score smartmontools #3 in Disk Diagnostic Software 9.0/10 Free plan Free plan✓ 0 of 5 features Visit smartmontools
HDDScan #8 in Disk Diagnostic Software 8.0/10 Free plan Free plan✓ 0 of 5 features Visit HDDScan

smartmontools leads on 0 checks, HDDScan on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoresmartmontools · 9.0/10
  • Free planboth

smartmontools scores higher on our rubric for disk diagnostic software: 9.0 against 8.0 out of 10; our editors rank them #3 and #8.

smartmontools is the better fit for open-source SMART monitoring across platforms. HDDScan is the better fit for free technical Windows diagnostics.

  • smartmontools fits best

    Open-source SMART monitoring across platforms

  • HDDScan fits best

    Free technical Windows diagnostics

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature smartmontools 9.0/10 Visit ↗ HDDScan 8.0/10 Visit ↗
At a glance
Editor score 9.0 8.0
Ranking #3 in Disk Diagnostic Software #8 in Disk Diagnostic Software
Best for Open-source SMART monitoring across platforms Free technical Windows diagnostics
Pricing model Free Free
Starting price Free plan Free
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Desktop
Platforms Windows, macOS, Linux Windows
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features smartmontools 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
  • Reads SMART data across ATA/SATA, SCSI/SAS, and NVMe devices
  • Supports Windows, macOS, Linux, BSD variants, Solaris, and more
  • Offers polling, self-tests, alerts, logging, and temperature thresholds
  • 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
  • Command-line workflows may not suit GUI-first teams
  • Configuration is required for daemon polling and email warnings
  • Provides no AI features for automated analysis
  • 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

smartmontools is an open-source package for inspecting and monitoring storage-device health. It combines smartctl, a command-line utility for reading and controlling SMART data, with smartd, a daemon that periodically polls drives. The…

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 →
  1. smartmontoolsDisk Diagnostic Software 9.0Free plan
  2. HDDScanDisk Diagnostic Software 8.0Free plan

Strengths and trade-offs

  • smartmontools — where it wins

    • Reads SMART data across ATA/SATA, SCSI/SAS, and NVMe devices
    • Supports Windows, macOS, Linux, BSD variants, Solaris, and more
    • Offers polling, self-tests, alerts, logging, and temperature thresholds

    Where it doesn't

    • Command-line workflows may not suit GUI-first teams
    • Configuration is required for daemon polling and email warnings
    • Provides no AI features for automated analysis
  • 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

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update