Side by side
DriveDx vs ValiDrive
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 trial Mac
Choose DriveDx if you use macOS and want local drive health checks, self-tests, and alerts for drive or free-space issues. Personal, household, and commercial licenses cover different computer counts and use cases. Look elsewhere if you need remote monitoring or support outside the stated macOS range.
Visit DriveDx Free plan Windows
Choose ValiDrive for a free, quick check of USB storage that may report deliberately missing capacity. Look elsewhere if you need a comprehensive deep test of storage media.
Visit ValiDriveThe facts
| DriveDx | ValiDrive | |
|---|---|---|
| Free plan | A free trial | Yes |
| Open source | Not published | Not published |
| Runs on | Mac | Windows |
| Lowest paid plan | DriveDx – Personal License: $19.99, paid once | Free or on request |
| Plans published | 10 | 1 |
| Maker | Not published | Not published |
| Website | binaryfruit.com | grc.com |
| On disk diagnostic software | #19 of 26 | #15 of 26 |
DriveDx: what it does well
- Checks SSD wear, I/O errors, pending sectors, and reallocated bad sectors.
- Runs background monitoring and alerts when it detects an issue.
- Users can control drive self-tests.
- Calculates drive health, performance, and SSD lifetime-left indicators.
- Email reports can be configured by criteria.
What to know first
- There is no free plan.
- It supports macOS only.
- The stated compatibility range is macOS 10.9 through macOS 26.
- Remote monitoring is not offered.
ValiDrive: what it does well
- Free plan with no trial required.
- Checks 576 evenly spaced drive locations.
- Restores each tested region’s original contents.
- Detects RAM caching and adjusts transfer size.
- Reports read and write access-time statistics.
What to know first
- The maker describes it as cursory, not a deep test.
- Available for Windows only.
- It checks for updates but does not update itself automatically.
Alternatives to DriveDx Alternatives to ValiDrive The whole list