Side by side

Scrutiny vs Stellar Drive Monitor

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.

Scrutiny

Free plan APILinuxMac+3

Scrutiny provides self-hosted S.M.A.R.T. monitoring with several deployment and alerting options. Check hardware compatibility and permission requirements before choosing a deployment method.

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Choose Stellar Drive Monitor if you want local drive health checks, SMART reports, bad-sector scans, or drive cloning on Windows or macOS. Look elsewhere if remote monitoring is a requirement or you need USB pen-drive model and SMART details.

Visit Stellar Drive Monitor

The facts

	Scrutiny	Stellar Drive Monitor
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Mac, Self-hosted, Web, Windows	Mac, Windows
Lowest paid plan	Free or on request	Standard: $19.99, paid once
Plans published	1	1
Maker	Not published	Not published
Website	github.com	stellarinfo.com
On disk health monitoring software	#13 of 30	#21 of 30

Scrutiny: what it does well

Free and MIT licensed
Tracks S.M.A.R.T. history and temperature
Supports customizable failure thresholds
Offers multiple alert destinations

What to know first

Docker requires drive passthrough and SYS_RAWIO
NVMe drives may also require SYS_ADMIN
Some RAID controllers do not expose SMART data
Project notes it has rough edges

Stellar Drive Monitor: what it does well

Reports real-time drive temperature, performance, and health.
Saves SMART attributes in reports for later comparison.
Scans disks for bad sectors and shows a block table.
Cloning copies drive data to a target drive.
Free download checks disk status, SMART status, partitions, and disks.

What to know first

Remote monitoring is unavailable.
USB pen drives lack SMART status, model, and serial number details.
The Standard plan covers one system.

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