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Head-to-head · Disk Diagnostic Software

smartmontools vs GSmartControl

  • 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
GSmartControl #4 in Disk Diagnostic Software 8.7/10 Free plan Free plan✓ 0 of 5 features Visit GSmartControl

smartmontools leads on 0 checks, GSmartControl 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 8.7 out of 10; our editors rank them #3 and #4.

smartmontools is the better fit for open-source SMART monitoring across platforms. GSmartControl is the better fit for graphical SMART diagnostics across desktops.

  • smartmontools fits best

    Open-source SMART monitoring across platforms

  • GSmartControl fits best

    Graphical SMART diagnostics across desktops

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Side by side

Feature smartmontools 9.0/10 Visit ↗ GSmartControl 8.7/10 Visit ↗
At a glance
Editor score 9.0 8.7
Ranking #3 in Disk Diagnostic Software #4 in Disk Diagnostic Software
Best for Open-source SMART monitoring across platforms Graphical SMART diagnostics across desktops
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Desktop
Platforms Windows, macOS, Linux Windows, macOS, Linux
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business
Features smartmontools 0/5 · GSmartControl 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
  • Free and open source across Windows, macOS, and Linux
  • Highlights SMART anomalies and runs drive self-tests
  • Supports SATA, PATA, NVMe, selected USB bridges, and RAID controllers
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
  • Some USB-bridge and RAID-controller configurations are supported selectively
  • Focused on SMART diagnostics rather than broader disk management
  • Saved smartctl output is available only as a read-only virtual device
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 →

GSmartControl is a free, open-source graphical interface for smartctl and the smartmontools package. It is designed for users who want to inspect HDD and SSD health without working exclusively at the command line. The application displays…

Read the review →
  1. smartmontoolsDisk Diagnostic Software 9.0Free plan
  2. GSmartControlDisk Diagnostic Software 8.7Free 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

  • GSmartControl — where it wins

    • Free and open source across Windows, macOS, and Linux
    • Highlights SMART anomalies and runs drive self-tests
    • Supports SATA, PATA, NVMe, selected USB bridges, and RAID controllers

    Where it doesn't

    • Some USB-bridge and RAID-controller configurations are supported selectively
    • Focused on SMART diagnostics rather than broader disk management
    • Saved smartctl output is available only as a read-only virtual device

More comparisons

All disk diagnostic software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update