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CrystalDiskInfo vs Rclone

CrystalDiskInfo logo

CrystalDiskInfo

Utilities

Free Windows tool that reads S.M.A.R.T. data from drives and warns before they fail

From
Free
Rated
-
Full reviewWebsite
Rclone logo

Rclone

Utilities

Command line sync and mount tool for around 70 cloud storage providers

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: CrystalDiskInfo many USB enclosures do not pass S.M.A.R.T. commands through, so external drives often report nothing at all and users read that as a healthy result.; Rclone sync deletes files at the destination to make it match the source, so one transposed argument between source and destination can wipe a backup and there is no undo.
  • They diverge on capability: CrystalDiskInfo covers S.M.A.R.T. reporting, Rclone covers Unified backend model.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which CrystalDiskInfo and Rclone actually diverge.

Attributes where CrystalDiskInfo and Rclone differ
AttributeCrystalDiskInfoRclone
PlatformsWindowsWindows, macOS, Linux, FreeBSD, Docker

Identical on both: starting price (Free), pricing model (Open source, no licence fee), free tier (Yes), user rating (Not yet rated), category (Utilities).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in CrystalDiskInfo

  • S.M.A.R.T. reporting
  • NVMe support
  • Threshold alerts
  • Temperature monitoring
  • Standard and Shizuku editions
  • MIT licensed

Only in Rclone

  • Unified backend model
  • Crypt overlay
  • FUSE mount
  • Bisync
  • Server-side transfers
  • rclone serve

What people use each for

The jobs each tool is most often brought in to do.

CrystalDiskInfo

  • Checking the true condition of a second-hand drive before trusting data to itnot Rclone
  • Watching SSD endurance on write-heavy machines such as build servers and video workstationsnot Rclone
  • Getting early warning of mechanical failure while a backup can still be takennot Rclone
  • Auditing power-on hours and wear across a small fleet of machines one at a timenot Rclone

Rclone

  • Migrating tens of terabytes between two object storage providers without staging on local disknot CrystalDiskInfo
  • Encrypted offsite backup to a cheap provider that you do not want reading your filenamesnot CrystalDiskInfo
  • Mounting an object bucket for a media server that expects a filesystem pathnot CrystalDiskInfo
  • Nightly one-way sync from an on-premises NAS to cloud storage as a second copynot CrystalDiskInfo

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

CrystalDiskInfo

  • Many USB enclosures do not pass S.M.A.R.T. commands through, so external drives often report nothing at all and users read that as a healthy result.
  • It is Windows only, and there is no central console, so checking a fleet means visiting each machine or scripting an alternative.
  • A good status is not a prediction: drives fail suddenly with clean attributes, and treating the summary as an assurance leads people to skip backups.
  • The Shizuku edition ships anime artwork and voice packs, which is unsuitable on company machines and is often downloaded by mistake because it is the more visible option.
  • Vendors define raw attribute values inconsistently, so the same number means different things on different drives and the detailed view needs interpretation to be useful.

Rclone

  • Sync deletes files at the destination to make it match the source, so one transposed argument between source and destination can wipe a backup and there is no undo.
  • Google Drive throttles the shared default OAuth client, so large jobs stall until you register a private API client ID, a step that is documented but easy to miss until a migration is already days behind.
  • Millions of small files hit per-provider request ceilings rather than bandwidth limits, which makes transfer time nearly impossible to estimate from data volume alone.
  • The FUSE mount is not a real filesystem; applications that expect POSIX locking, partial writes or fast directory listings will behave badly or corrupt state on network interruption.
  • Support is a community forum and a single principal maintainer, so an organisation that needs contractual response times on a data movement tool has no vendor to buy that from.

Pricing, plan by plan

CrystalDiskInfo

Free
  • CrystalDiskInfoFree
    • MIT licensed
    • Commercial use permitted
    • All features in the free download

Rclone

Free
  • RcloneFree
    • MIT licence with no paid edition
    • All backends and features included
    • Single static binary, no runtime dependencies

Which should you pick?

Choose CrystalDiskInfo if

  • You need s.m.a.r.t. reporting.
  • You want to start without paying.
  • You work on Windows.
  • You also want nvme support.
CrystalDiskInfo review

Choose Rclone if

  • You need unified backend model.
  • You want to start without paying.
  • You work on Windows, macOS, Linux, FreeBSD, Docker.
  • You also want crypt overlay.
Rclone review

Questions people ask

Is CrystalDiskInfo or Rclone better?
Neither clearly leads. CrystalDiskInfo starts at Free and Rclone at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CrystalDiskInfo or Rclone?
CrystalDiskInfo starts at Free and Rclone at Free.
Does CrystalDiskInfo or Rclone run on more platforms?
CrystalDiskInfo runs on Windows. Rclone runs on Windows, macOS, Linux, FreeBSD, Docker.
Can I use CrystalDiskInfo for free?
Both have a free tier, so you can try either at no cost before committing.
What is CrystalDiskInfo best used for?
CrystalDiskInfo is most often used for checking the true condition of a second-hand drive before trusting data to it, watching ssd endurance on write-heavy machines such as build servers and video workstations, getting early warning of mechanical failure while a backup can still be taken, auditing power-on hours and wear across a small fleet of machines one at a time. Of those, checking the true condition of a second-hand drive before trusting data to it and watching ssd endurance on write-heavy machines such as build servers and video workstations are not what Rclone is typically brought in for.
What can CrystalDiskInfo do that Rclone cannot?
CrystalDiskInfo covers S.M.A.R.T. reporting, NVMe support, Threshold alerts, Temperature monitoring. Rclone covers Unified backend model, Crypt overlay, FUSE mount, Bisync.

Answered from the vendors’ own pages

CrystalDiskInfo: Can I use it in a business?

Yes. It is MIT licensed with no personal-use restriction, which distinguishes it from several other free Windows utilities.

Rclone: Does rclone cost anything at scale?

The software does not. Your storage provider bills egress and API requests, and a failed transfer that retries pays those charges twice.

CrystalDiskInfo: Why does my external drive show no data?

Most USB bridge chips do not pass S.M.A.R.T. commands through. Connecting the drive directly by SATA or NVMe usually reveals the attributes.

Rclone: Can I use it as a backup tool?

It copies and syncs but does not do versioned incremental backup by default. Use it under a backup tool, or use its own crypt and backup-dir options deliberately.

CrystalDiskInfo: Does a caution status mean I should replace the drive immediately?

It means an attribute has crossed a vendor threshold, most often reallocated sectors. Back up now, then decide. It is a warning, not a countdown.

Rclone: Why is my Google Drive transfer so slow when my link is fast?

You are almost certainly rate limited on the shared OAuth client. Create your own client ID in Google Cloud Console and configure the remote to use it.

CrystalDiskInfo: What is the difference between the editions?

Function is identical. The Shizuku edition adds themed artwork and voice packs; the standard edition is the plain one you want on a work machine.

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