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Utilities · head to head

CCleaner vs CrystalDiskInfo

CCleaner logo

CCleaner

Utilities

System cleanup and optimisation utility for Windows and Mac

From
Free
Rated
-
Full reviewWebsite
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

The short version

  • Each has a real cost: CCleaner registry cleaning has little measurable benefit on modern Windows and carries some risk of removing something needed; 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.
  • They diverge on capability: CCleaner covers Junk file cleanup, CrystalDiskInfo covers S.M.A.R.T. reporting.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which CCleaner and CrystalDiskInfo actually diverge.

Attributes where CCleaner and CrystalDiskInfo differ
AttributeCCleanerCrystalDiskInfo
Pricing modelFree tier with paid Professional; see vendor for current ratesOpen source, no licence fee
PlatformsWindows, macOS, AndroidWindows

Identical on both: starting price (Free), 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 CCleaner

  • Junk file cleanup
  • Registry cleaner
  • Startup manager
  • Software uninstaller

Only in CrystalDiskInfo

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

What people use each for

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

CCleaner

  • Reclaiming disk space from accumulated caches and temporary filesnot CrystalDiskInfo
  • Controlling startup programs on a slow-booting machinenot CrystalDiskInfo
  • Bulk uninstalling softwarenot CrystalDiskInfo

CrystalDiskInfo

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

Where each one falls short

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

CCleaner

  • Registry cleaning has little measurable benefit on modern Windows and carries some risk of removing something needed
  • The free version prompts toward the paid one persistently
  • A 2017 supply chain compromise distributed malware through an official signed build, which permanently changed how some administrators view it
  • Much of what it does is achievable with the disk cleanup tools built into Windows

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.

Pricing, plan by plan

CCleaner

Free
  • FreeFree
    • Core functionality
    • Personal use

CrystalDiskInfo

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

Which should you pick?

Choose CCleaner if

  • You need junk file cleanup.
  • You want to start without paying.
  • You work on Windows, macOS, Android.
  • You also want registry cleaner.
CCleaner review

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

Questions people ask

Is CCleaner or CrystalDiskInfo better?
Neither clearly leads. CCleaner starts at Free and CrystalDiskInfo at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, CCleaner or CrystalDiskInfo?
CCleaner starts at Free and CrystalDiskInfo at Free.
Does CCleaner or CrystalDiskInfo run on more platforms?
CCleaner runs on Windows, macOS, Android. CrystalDiskInfo runs on Windows.
Can I use CCleaner for free?
Both have a free tier, so you can try either at no cost before committing.
What is CCleaner best used for?
CCleaner is most often used for reclaiming disk space from accumulated caches and temporary files, controlling startup programs on a slow-booting machine, bulk uninstalling software. Of those, reclaiming disk space from accumulated caches and temporary files and controlling startup programs on a slow-booting machine are not what CrystalDiskInfo is typically brought in for.
What can CCleaner do that CrystalDiskInfo cannot?
CCleaner covers Junk file cleanup, Registry cleaner, Startup manager, Software uninstaller. CrystalDiskInfo covers S.M.A.R.T. reporting, NVMe support, Threshold alerts, Temperature monitoring.

Answered from the vendors’ own pages

CCleaner: Is CCleaner free?

There is a free version, with a paid Professional tier adding scheduled cleaning and real-time monitoring.

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.

CCleaner: Does registry cleaning actually help?

Very little on modern Windows. The measurable gains come from clearing caches and controlling startup programs, not from the registry.

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.

CCleaner: Is CCleaner safe?

It is a mainstream product from Gen Digital, though a 2017 supply chain attack distributed malware via an official build. That was resolved, and it remains a fair reason some administrators avoid it.

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.

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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