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Cybersecurity · head to head

ESET NOD32 Antivirus vs Keil MDK

ESET NOD32 Antivirus logo

ESET NOD32 Antivirus

Cybersecurity

Essential antivirus protection

From
$39.99/year
Free plan
No
Full reviewWebsite
Keil MDK logo

Keil MDK

Developer Tools

Microcontroller Development Kit for Arm-based devices

From
Free
Free plan
Yes
Full reviewWebsite

The short version

  • Only Keil MDK has a free tier, so it costs nothing to try first.
  • Each has a real cost: ESET NOD32 Antivirus the advertised price applies to the first term only, and renewal reverts to the official list price; Keil MDK pricing for Essential and Professional subscriptions not disclosed on primary site
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which ESET NOD32 Antivirus and Keil MDK actually diverge.

Attributes where ESET NOD32 Antivirus and Keil MDK differ
AttributeESET NOD32 AntivirusKeil MDK
Starting price$39.99/yearFree
Pricing modelsubscriptionfreemium
Free tierNoYes
PlatformsDesktopWeb
CategoryCybersecurityDeveloper Tools
Founded1992Unknown

Identical on both: user rating (Not yet rated).

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 ESET NOD32 Antivirus

  • Antivirus & Antispyware
  • Exploit Blocker
  • Advanced Machine Learning
  • Anti-Phishing
  • UEFI Scanner
  • Script-Based Attack Protection
  • Ransomware Shield
  • Gamer Mode

Only in Keil MDK

Nothing recorded that ESET NOD32 Antivirus does not also cover.

What people use each for

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

ESET NOD32 Antivirus

  • Antivirus and anti malware protection for home Windows, macOS and Android devicesnot Keil MDK
  • Blocking phishing and ransomware on personal computersnot Keil MDK

Keil MDK

  • Embedded software developmentnot ESET NOD32 Antivirus
  • ARM microcontroller programmingnot ESET NOD32 Antivirus
  • Professional development environmentsnot ESET NOD32 Antivirus

Where each one falls short

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

ESET NOD32 Antivirus

  • The advertised price applies to the first term only, and renewal reverts to the official list price
  • Any saving shown is the difference between the introductory price and that list price rather than an ongoing discount
  • Device coverage is chosen at purchase and priced accordingly, so protecting another machine means changing the licence

Keil MDK

  • Pricing for Essential and Professional subscriptions not disclosed on primary site
  • Customers must contact Arm Developer Tools store for subscription rates

Pricing, plan by plan

ESET NOD32 Antivirus

$39.99/year
  • NOD32 Antivirus$39.99/year
    • 1 Device
    • Antivirus & Antispyware
    • Anti-Phishing
  • Internet Security$49.99/year
    • 1 Device
    • All NOD32 features
    • Firewall
  • Smart Security Premium$59.99/year
    • 1 Device
    • All Internet Security features
    • Password Manager

Keil MDK

Free

No published plan breakdown. See the Keil MDK review.

Which should you pick?

Choose ESET NOD32 Antivirus if

  • You need antivirus & antispyware.
  • You work on Desktop.
  • You also want exploit blocker.
ESET NOD32 Antivirus review

Choose Keil MDK if

  • You want to start without paying.
Keil MDK review

Questions people ask

Is ESET NOD32 Antivirus or Keil MDK better?
Neither clearly leads. ESET NOD32 Antivirus starts at $39.99/year and Keil MDK at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, ESET NOD32 Antivirus or Keil MDK?
Keil MDK has a free tier; the other does not. Paid plans start at $39.99/year for ESET NOD32 Antivirus and Free for Keil MDK.
Does ESET NOD32 Antivirus or Keil MDK run on more platforms?
ESET NOD32 Antivirus runs on Desktop. Keil MDK runs on Web.
Can I use Keil MDK for free?
Yes. Keil MDK has a free tier, so you can try it without paying. ESET NOD32 Antivirus starts at $39.99/year.
What is ESET NOD32 Antivirus best used for?
ESET NOD32 Antivirus is most often used for antivirus and anti malware protection for home windows, macos and android devices, blocking phishing and ransomware on personal computers. Of those, antivirus and anti malware protection for home windows, macos and android devices and blocking phishing and ransomware on personal computers are not what Keil MDK is typically brought in for.
What can ESET NOD32 Antivirus do that Keil MDK cannot?
ESET NOD32 Antivirus covers Antivirus & Antispyware, Exploit Blocker, Advanced Machine Learning, Anti-Phishing.

Answered from the vendors’ own pages

ESET NOD32 Antivirus: Does ESET offer a free trial, and what do I get access to?

ESET offers a free 30-day trial with no credit card required. The trial includes full access to all features in the tier you choose before you commit to a paid subscription.

Source
Keil MDK: Does Keil MDK have a free version?

Yes, Keil MDK Community Edition is free for non-commercial projects. Essential and Professional editions are available as monthly or annual subscriptions.

Source
ESET NOD32 Antivirus: What subscription contract lengths are available?

ESET offers subscription terms ranging from 1 to 10 years depending on the tier. Home Security Essential and Premium plans support 1-10 years, while Ultimate requires 5-10 years. Business plans also support multi-year terms.

Source
Keil MDK: How much do Keil MDK paid editions cost?

Specific pricing for Essential and Professional editions is not published on the main site. Rates are available from the Arm Developer Tools store or by contacting Arm sales.

Source
ESET NOD32 Antivirus: Will my renewal price change after the first year?

ESET states that the advertised price is valid for the first term only. They send advance notification via email before renewal price increases occur, allowing you to decide whether to continue.

Source
ESET NOD32 Antivirus: How many devices can I protect on a single subscription?

You can customize the number of protected devices from 1-10 on most plans. Premium and Ultimate tiers include VPN access that varies by device count: Essential/Premium include 3-5 VPN devices, while Ultimate covers 10-25 VPN devices depending on total plan size.

Source
ESET NOD32 Antivirus: Is there an extra charge to protect Android devices?

Android protection is available as an optional add-on at $5 per year per device, in addition to your main subscription cost.

Source
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