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Utilities · head to head

HWiNFO vs Truecaller

HWiNFO logo

HWiNFO

Utilities

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

From
Free
Rated
-
Full reviewWebsite
Truecaller logo

Truecaller

Utilities

Caller ID and spam blocking app that identifies unknown numbers by crowdsourcing users' contact books

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.; Truecaller its caller ID database is built from other users uploading their contact books, which means a person's name and number can be listed without them ever installing or consenting to Truecaller directly.
  • They diverge on capability: HWiNFO covers Sensor coverage, Truecaller covers Caller ID.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which HWiNFO and Truecaller actually diverge.

Attributes where HWiNFO and Truecaller differ
AttributeHWiNFOTruecaller
Pricing modelquoteFree tier plus subscription
PlatformsWindowsiOS, Android

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 Truecaller

  • Caller ID
  • Spam blocking
  • Call recording
  • SMS spam filtering
  • Truecaller for Business
  • Premium profile controls

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 Truecaller
  • Validating that a new cooler, thermal paste or fan curve changed anything measurablenot Truecaller
  • Logging sensor data across a long stress test to identify what preceded a crashnot Truecaller
  • Confirming exactly which hardware revision is inside a machine before ordering more of themnot Truecaller

Truecaller

  • Someone wanting to identify unknown numbers calling from delivery services, banks or scam operationsnot HWiNFO
  • A user who wants unknown-sender SMS automatically filtered out of the main inboxnot HWiNFO
  • A small business wanting its verified name and logo to show when it calls customersnot HWiNFO
  • A person who wants to check whether their own number is unexpectedly listed and request removalnot 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.

Truecaller

  • Its caller ID database is built from other users uploading their contact books, which means a person's name and number can be listed without them ever installing or consenting to Truecaller directly.
  • Removing a number requires actively finding and using the unlisting tool; it is opt-out, not opt-in, so most people never realise they need to do this.
  • The free tier is ad-supported, and ads appear on the call screen itself, which some users find intrusive during otherwise mundane phone use.
  • Call recording availability depends on local law and has been restricted or removed in some regions and OS versions, so it cannot be relied on everywhere.
  • Regulatory and app-store scrutiny of the contact-upload model has led to restrictions or bans in some countries, so availability and feature set are not consistent globally.

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

Truecaller

Free
  • FreeFree
    • Caller ID and spam blocking
    • Ad-supported
    • Limited profile privacy controls
  • Premium$2.99/month
    • Ad-free
    • See who viewed your profile
    • Priority spam list updates

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 Truecaller if

  • You need caller id.
  • You want to start without paying.
  • You work on iOS, Android.
  • You also want spam blocking.
Truecaller review

Questions people ask

Is HWiNFO or Truecaller better?
Neither clearly leads. HWiNFO starts at Free and Truecaller at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, HWiNFO or Truecaller?
HWiNFO starts at Free and Truecaller at Free.
Does HWiNFO or Truecaller run on more platforms?
HWiNFO runs on Windows. Truecaller runs on iOS, Android.
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 Truecaller is typically brought in for.
What can HWiNFO do that Truecaller cannot?
HWiNFO covers Sensor coverage, Hardware inventory, Logging, Shared memory interface. Truecaller covers Caller ID, Spam blocking, Call recording, SMS spam filtering.

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.

Truecaller: How does Truecaller know who is calling me from an unsaved number?

It matches the number against a database built largely from other users' uploaded contact lists, plus spam reports from its user base.

HWiNFO: Does it run on macOS or Linux?

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

Truecaller: Can I remove my number from Truecaller if I never installed it?

Yes, Truecaller provides an unlisting search and removal tool at truecaller.com/unlisting, though you must find and use it yourself.

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.

Truecaller: Does Truecaller read my messages or call content?

Truecaller states it does not access call or message content, only caller ID and spam-reporting metadata.

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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