Side by side
CrystalDiskInfo vs Stellar Drive Monitor
Both stand on disk diagnostic software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Windows
Visit CrystalDiskInfo 
Free plan MacWindows
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 MonitorThe facts
| CrystalDiskInfo | Stellar Drive Monitor | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Windows | Mac, Windows |
| Lowest paid plan | Not published | Standard: $19.99, paid once |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | crystalmark.info | stellarinfo.com |
| On disk diagnostic software | #18 of 26 | #14 of 26 |
CrystalDiskInfo: what it does well
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.
Alternatives to CrystalDiskInfo Alternatives to Stellar Drive Monitor The whole list