Side by side
Hard Disk Sentinel vs HDDlife
Both stand on disk health monitoring software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan LinuxWindows
Visit Hard Disk Sentinel 
Free plan Windows
Choose HDDlife if you use Windows with hard disk drives or SATA SSDs and want drive health alerts and status details. Look elsewhere if you need NVMe or M.2 support, or if your USB drive controller does not provide the required S.M.A.R.T. commands.
Visit HDDlifeThe facts
| Hard Disk Sentinel | HDDlife | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | No |
| Runs on | Linux, Windows | Windows |
| Lowest paid plan | Standard: $22, paid once | Professional: $19, paid once |
| Plans published | 7 | 4 |
| Maker | Not published | Not published |
| Website | hdsentinel.com | hddlife.com |
| On disk health monitoring software | #10 of 30 | #14 of 30 |
Hard Disk Sentinel: what it does well
HDDlife: what it does well
- Analyzes more than 20 S.M.A.R.T. parameters.
- Shows temperature, free space, power-on time, and estimated remaining life.
- Includes silent mode and reduced power consumption controls.
- Regular users can access all functions without administrator rights.
- The 14-day trial includes all program features.
What to know first
- Only available for Windows.
- NVMe and M.2 drives are unsupported.
- Some USB controllers do not pass through required S.M.A.R.T. commands.
- Professional covers one PC.
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