Head-to-head · Disk Diagnostic Software
smartmontools vs 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
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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 |
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| Cons |
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| 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 → |
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
- smartmontools9.0/10 · Free plan
A free, cross-platform SMART toolkit for technically proficient administrators.
Visit smartmontoolsFull verdict → - HDDScan8.0/10 · Free plan
A free Windows diagnostic utility with SMART analysis, surface tests, reports, and monitoring.
Visit HDDScanFull verdict →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update



