Best SeaTools Alternatives in 2025

Looking for alternatives to SeaTools? In this comparison, we take a closer look at SeaTools alongside similar software solutions including SeaTools, Stellar Drive Monitor, Hard Disk Sentinel PRO, HDD Regenerator, CrystalDiskInfo, Data Lifeguard Diagnostic, GSmartControl, HD Tune Pro, HD Tune, Seagate DiscWizard and CrystalDiskInfo Aoi Edition.

Our detailed comparison table highlights key features, pricing, and performance of these leading solutions, empowering you to make an informed decision. Whether you're seeking robust functionality, user-friendly design, or cost-effective alternatives, explore how SeaTools, Stellar Drive Monitor, Hard Disk Sentinel PRO, HDD Regenerator, CrystalDiskInfo, Data Lifeguard Diagnostic, GSmartControl, HD Tune Pro, HD Tune, Seagate DiscWizard and CrystalDiskInfo Aoi Edition stack up to find the perfect software for your goals.

	Supported Drive Types	Key Features / Capabilities	Operating System Compatibility
SeaTools	Supports Seagate and Maxtor hard drives, both internal and external, including Seagate SSDs.	Provides diagnostic tests such as SMART tests, short drive self-tests, advanced self-tests, repair of some bad sectors, detailed reports; supports bootable USB and CDs.	Compatible with Windows and Macintosh computers (Mac OS).
Stellar Drive Monitor	Supports all monitored drives including newer or less common hard drive models and SSDs.	Monitors disk health parameters, temperature, performance; provides alerts, notifications via email and desktop; supports customizable scan schedules; early detection of potential failures.	Compatible with Windows versions 7 through 10 and macOS versions 10.12 through 10.15.
Hard Disk Sentinel PRO	Supports both HDDs and SSDs from a wide range of brands.	Monitors disk health, temperature, performance in real-time; provides alerts via email; customizable settings; supports weekly scans; detailed information on drive status.	Compatible with Windows XP through Windows 10 and Windows Server editions.
HDD Regenerator	Supports all types of hard drives including internal and external, IDE, SATA, SCSI; limited functionality on SSDs.	Detects and repairs bad sectors using a unique algorithm; supports complete data recovery of damaged hard drives; user-friendly interface.	Compatible with Windows operating systems only.
CrystalDiskInfo	Supports both HDDs and SSDs, internal and external storage drives.	Monitors S.M.A.R.T. attributes, drive health status with alerts; provides detailed information on disk performance and errors; portable version available.	Compatible with Windows XP through Windows 8(1) and Vista.
Data Lifeguard Diagnostic	Supports Western Digital brand hard drives including Macs; primarily HDDs.	Free diagnostic scans for Western Digital drives; accurate results with diagnostic tests including SMART analysis; detailed reports on health status.	Compatible with Windows operating systems and Mac computers (limited features on Mac).
GSmartControl	Supports both HDDs and SSDs across multiple operating systems.	Graphical interface to run SMART tests (short, long); displays detailed SMART attributes; open-source with advanced diagnostic capabilities across platforms.	Compatible with Windows, Linux, and macOS operating systems.
HD Tune Pro	Supports HDDs and SSDs with drive benchmarking capabilities.	Disk benchmarking tools for read/write speed; error scanning for bad sectors; drive health monitoring with detailed reports and real-time monitoring.	Compatible with Windows XP through Windows 10.
HD Tune	Supports various types of drives including IDE, SATA, SCSI HDDs and SSDs.	Basic hard disk utility providing disk health status, error scanning, benchmark performance tests; automatic shutdown features for errors.	Compatible with Windows 7 through 8.1 and Vista versions.
Seagate DiscWizard	Supports Seagate and non-Seagate hard drives, including SSDs.	Full system backup, disk cloning, scheduling automatic backups; bootable media creation; supports recovery from crashes or catastrophic events.	Compatible primarily with Windows operating systems including Windows Vista to Windows 10; limited/ no support for Linux or macOS.
CrystalDiskInfo Aoi Edition	Supports both HDDs and SSDs with real-time monitoring functionality.	Real-time temperature monitoring; in-depth S.M.A.R.T. data monitoring with customizable alerts; portable version on USB stick;	Compatible with Windows XP through later versions via a portable USB version.

Supported Drive Types

SeaTools	Supports Seagate and Maxtor hard drives, both internal and external, including Seagate SSDs.
Stellar Drive Monitor	Supports all monitored drives including newer or less common hard drive models and SSDs.
Hard Disk Sentinel PRO	Supports both HDDs and SSDs from a wide range of brands.
HDD Regenerator	Supports all types of hard drives including internal and external, IDE, SATA, SCSI; limited functionality on SSDs.
CrystalDiskInfo	Supports both HDDs and SSDs, internal and external storage drives.
Data Lifeguard Diagnostic	Supports Western Digital brand hard drives including Macs; primarily HDDs.
GSmartControl	Supports both HDDs and SSDs across multiple operating systems.
HD Tune Pro	Supports HDDs and SSDs with drive benchmarking capabilities.
HD Tune	Supports various types of drives including IDE, SATA, SCSI HDDs and SSDs.
Seagate DiscWizard	Supports Seagate and non-Seagate hard drives, including SSDs.
CrystalDiskInfo Aoi Edition	Supports both HDDs and SSDs with real-time monitoring functionality.

Key Features / Capabilities

SeaTools	Provides diagnostic tests such as SMART tests, short drive self-tests, advanced self-tests, repair of some bad sectors, detailed reports; supports bootable USB and CDs.
Stellar Drive Monitor	Monitors disk health parameters, temperature, performance; provides alerts, notifications via email and desktop; supports customizable scan schedules; early detection of potential failures.
Hard Disk Sentinel PRO	Monitors disk health, temperature, performance in real-time; provides alerts via email; customizable settings; supports weekly scans; detailed information on drive status.
HDD Regenerator	Detects and repairs bad sectors using a unique algorithm; supports complete data recovery of damaged hard drives; user-friendly interface.
CrystalDiskInfo	Monitors S.M.A.R.T. attributes, drive health status with alerts; provides detailed information on disk performance and errors; portable version available.
Data Lifeguard Diagnostic	Free diagnostic scans for Western Digital drives; accurate results with diagnostic tests including SMART analysis; detailed reports on health status.
GSmartControl	Graphical interface to run SMART tests (short, long); displays detailed SMART attributes; open-source with advanced diagnostic capabilities across platforms.
HD Tune Pro	Disk benchmarking tools for read/write speed; error scanning for bad sectors; drive health monitoring with detailed reports and real-time monitoring.
HD Tune	Basic hard disk utility providing disk health status, error scanning, benchmark performance tests; automatic shutdown features for errors.
Seagate DiscWizard	Full system backup, disk cloning, scheduling automatic backups; bootable media creation; supports recovery from crashes or catastrophic events.
CrystalDiskInfo Aoi Edition	Real-time temperature monitoring; in-depth S.M.A.R.T. data monitoring with customizable alerts; portable version on USB stick;

Operating System Compatibility

SeaTools	Compatible with Windows and Macintosh computers (Mac OS).
Stellar Drive Monitor	Compatible with Windows versions 7 through 10 and macOS versions 10.12 through 10.15.
Hard Disk Sentinel PRO	Compatible with Windows XP through Windows 10 and Windows Server editions.
HDD Regenerator	Compatible with Windows operating systems only.
CrystalDiskInfo	Compatible with Windows XP through Windows 8(1) and Vista.
Data Lifeguard Diagnostic	Compatible with Windows operating systems and Mac computers (limited features on Mac).
GSmartControl	Compatible with Windows, Linux, and macOS operating systems.
HD Tune Pro	Compatible with Windows XP through Windows 10.
HD Tune	Compatible with Windows 7 through 8.1 and Vista versions.
Seagate DiscWizard	Compatible primarily with Windows operating systems including Windows Vista to Windows 10; limited/ no support for Linux or macOS.
CrystalDiskInfo Aoi Edition	Compatible with Windows XP through later versions via a portable USB version.

Choosing the right software isn’t just about features. Size, license type, user ratings, and popularity also matter.

This quick comparison shows how SeaTools stacks up against SeaTools, Stellar Drive Monitor, Hard Disk Sentinel PRO, HDD Regenerator, CrystalDiskInfo, Data Lifeguard Diagnostic, GSmartControl, HD Tune Pro, HD Tune, Seagate DiscWizard and CrystalDiskInfo Aoi Edition in these key areas—helping you find the best alternative for your needs.

	Size	License	Popularity
SeaTools		Freeware	14%
Stellar Drive Monitor	20.9MB	Commercial	3%
Hard Disk Sentinel PRO	6.8MB	Commercial	16%
HDD Regenerator	7.9MB	Demo	0%
CrystalDiskInfo	5.7MB	Freeware	100%
Data Lifeguard Diagnostic		Freeware	3%
GSmartControl	10.3MB	Open Source	2%
HD Tune Pro	2.1MB	Commercial	3%
HD Tune		Freeware	4%
Seagate DiscWizard	693.1MB	Freeware	2%
CrystalDiskInfo Aoi Edition		Freeware	0%

Size

SeaTools
Stellar Drive Monitor	20.9MB
Hard Disk Sentinel PRO	6.8MB
HDD Regenerator	7.9MB
CrystalDiskInfo	5.7MB
Data Lifeguard Diagnostic
GSmartControl	10.3MB
HD Tune Pro	2.1MB
HD Tune
Seagate DiscWizard	693.1MB
CrystalDiskInfo Aoi Edition

License

SeaTools	Freeware
Stellar Drive Monitor	Commercial
Hard Disk Sentinel PRO	Commercial
HDD Regenerator	Demo
CrystalDiskInfo	Freeware
Data Lifeguard Diagnostic	Freeware
GSmartControl	Open Source
HD Tune Pro	Commercial
HD Tune	Freeware
Seagate DiscWizard	Freeware
CrystalDiskInfo Aoi Edition	Freeware

Rating

SeaTools
Stellar Drive Monitor
Hard Disk Sentinel PRO
HDD Regenerator
CrystalDiskInfo
Data Lifeguard Diagnostic
GSmartControl
HD Tune Pro
HD Tune
Seagate DiscWizard
CrystalDiskInfo Aoi Edition

Popularity

SeaTools	14%
Stellar Drive Monitor	3%
Hard Disk Sentinel PRO	16%
HDD Regenerator	0%
CrystalDiskInfo	100%
Data Lifeguard Diagnostic	3%
GSmartControl	2%
HD Tune Pro	3%
HD Tune	4%
Seagate DiscWizard	2%
CrystalDiskInfo Aoi Edition	0%