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Utilities · head to head

HWiNFO vs Karabiner-Elements

HWiNFO logo

HWiNFO

Utilities

Windows hardware information and sensor monitoring tool, free for personal use only

From
Free
Rated
-
Full reviewWebsite
Karabiner-Elements logo

Karabiner-Elements

Utilities

Free open source keyboard remapper for macOS, working at driver level before the OS sees a keystroke

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: HWiNFO the free build is licensed for personal use only, so an IT department running it on employee machines is out of compliance and needs the paid edition.; Karabiner-Elements it requires granting significant system-level permissions, including input monitoring, which some security-conscious users are reluctant to allow.
  • They diverge on capability: HWiNFO covers Sensor coverage, Karabiner-Elements covers Low-level key remapping.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which HWiNFO and Karabiner-Elements actually diverge.

Attributes where HWiNFO and Karabiner-Elements differ
AttributeHWiNFOKarabiner-Elements
Pricing modelquoteOpen source, no licence fee
PlatformsWindowsMac

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 HWiNFO

  • Sensor coverage
  • Hardware inventory
  • Logging
  • Shared memory interface
  • Alerts
  • Portable build

Only in Karabiner-Elements

  • Low-level key remapping
  • Complex modifications
  • Per-app and per-device rules
  • Complex modification rule library
  • Simple modifications GUI
  • Apple Silicon native

What people use each for

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

HWiNFO

  • Diagnosing thermal throttling or power limits on a laptop or workstation under real workloadsnot Karabiner-Elements
  • Validating that a new cooler, thermal paste or fan curve changed anything measurablenot Karabiner-Elements
  • Logging sensor data across a long stress test to identify what preceded a crashnot Karabiner-Elements
  • Confirming exactly which hardware revision is inside a machine before ordering more of themnot Karabiner-Elements

Karabiner-Elements

  • A developer who wants to remap Caps Lock to Escape or Control and needs tap versus hold behaviournot HWiNFO
  • Someone switching from a Windows or Linux keyboard layout who wants familiar modifier positions on a Macnot HWiNFO
  • A user with an accessibility need around key repeat rate or modifier key behaviour that macOS settings cannot covernot HWiNFO
  • Anyone who wants serious keyboard customisation without paying for BetterTouchTool or a similar all-in-one toolnot HWiNFO

Where each one falls short

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

HWiNFO

  • The free build is licensed for personal use only, so an IT department running it on employee machines is out of compliance and needs the paid edition.
  • It is Windows only, so mixed estates need a separate tool for macOS and Linux hardware diagnostics.
  • It reports single machines rather than fleets, with no central console, so it answers a diagnostic question instead of monitoring an estate.
  • The volume of sensors displayed is overwhelming without hardware knowledge, and readings with similar names measure genuinely different things, which leads to wrong conclusions.
  • Sensor access requires a kernel-level driver and administrator rights, which anti-cheat systems and some hardened endpoint configurations block outright.

Karabiner-Elements

  • It requires granting significant system-level permissions, including input monitoring, which some security-conscious users are reluctant to allow.
  • Writing custom complex modification rules by hand means editing JSON, which is a real barrier for a non-technical user without the community rule library.
  • It only remaps keyboard input, so a user who also wants gesture or window management customisation needs a second tool such as BetterTouchTool or Rectangle.
  • Being an unpaid open source project, support depends on GitHub issues and community forums rather than a vendor support desk with guaranteed response times.
  • It is Mac only, so it does nothing for remapping needs on a Windows or Linux machine in the same household.

Pricing, plan by plan

HWiNFO

Free
  • HWiNFO PersonalFree
    • Full sensor and hardware detail
    • Logging and alerts
    • Personal, non-commercial use only
  • HWiNFO Pro$undefined/year
    • Licence required for any business or commercial use
    • Per-seat licensing
    • Priority support

Karabiner-Elements

Free
  • Karabiner-ElementsFree
    • Free and open source under the MIT licence
    • Full functionality with no paid tier
    • Optional donation via GitHub Sponsors or PayPal

Which should you pick?

Choose HWiNFO if

  • You need sensor coverage.
  • You want to start without paying.
  • You work on Windows.
  • You also want hardware inventory.
HWiNFO review

Choose Karabiner-Elements if

  • You need low-level key remapping.
  • You want to start without paying.
  • You work on Mac.
  • You also want complex modifications.
Karabiner-Elements review

Questions people ask

Is HWiNFO or Karabiner-Elements better?
Neither clearly leads. HWiNFO starts at Free and Karabiner-Elements at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HWiNFO or Karabiner-Elements?
HWiNFO starts at Free and Karabiner-Elements at Free.
Does HWiNFO or Karabiner-Elements run on more platforms?
HWiNFO runs on Windows. Karabiner-Elements runs on Mac.
Can I use HWiNFO for free?
Both have a free tier, so you can try either at no cost before committing.
What is HWiNFO best used for?
HWiNFO is most often used for diagnosing thermal throttling or power limits on a laptop or workstation under real workloads, validating that a new cooler, thermal paste or fan curve changed anything measurable, logging sensor data across a long stress test to identify what preceded a crash, confirming exactly which hardware revision is inside a machine before ordering more of them. Of those, diagnosing thermal throttling or power limits on a laptop or workstation under real workloads and validating that a new cooler, thermal paste or fan curve changed anything measurable are not what Karabiner-Elements is typically brought in for.
What can HWiNFO do that Karabiner-Elements cannot?
HWiNFO covers Sensor coverage, Hardware inventory, Logging, Shared memory interface. Karabiner-Elements covers Low-level key remapping, Complex modifications, Per-app and per-device rules, Complex modification rule library.

Answered from the vendors’ own pages

HWiNFO: Can I use the free version at work?

No. Free use is personal only. Any business use, including internal IT diagnostics, requires the paid licence.

Karabiner-Elements: Is Karabiner-Elements really free?

Yes, entirely. It is open source under the MIT licence with no paid tier, though the project accepts voluntary donations.

HWiNFO: Does it run on macOS or Linux?

No. It is Windows only; the older DOS builds are discontinued.

Karabiner-Elements: Does it work on Apple Silicon Macs?

Yes, versions from 14 onward run natively on M1 through M4 chips.

HWiNFO: Why do temperatures differ from the motherboard utility?

Because vendor tools usually show one averaged figure while HWiNFO reports each sensor separately. The difference is labelling and selection, not accuracy.

Karabiner-Elements: Do I need to write JSON to use it?

Not necessarily. Simple key swaps use a GUI, and complex modifications can be imported from a public community rule library instead of writing rules by hand.

HWiNFO: Is it safe to run alongside other monitoring tools?

Usually, but several tools polling the same sensors through their own drivers can cause conflicts and bad readings. Run one at a time when the numbers look wrong.

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