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Avast One vs Keygen

Avast One logo

Avast One

Software

All-in-one protection for your digital life

From
Free
Rated
-
Full reviewWebsite
K

Keygen

Software

Open, source-available software licensing API

From
On request
Rated
-
Full reviewWebsite

The short version

  • Only Avast One has a free tier, so it costs nothing to try first.
  • Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; Keygen cloud hosted plans start at $995 per month billed per domain, a floor aimed at established software vendors rather than solo developers

Where they differ

Only the attributes on which Avast One and Keygen actually diverge.

Attributes where Avast One and Keygen differ
AttributeAvast OneKeygen
Starting priceFreeOn request
Pricing modelUnknownsubscription
Free tierYesNo
PlatformsWindows, macOS, iOS, AndroidWeb
Founded1988Unknown

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

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 Avast One

  • Antivirus
  • Firewall
  • VPN
  • Data breach monitoring
  • Email Guardian
  • Webcam Shield
  • Ransomware Shield
  • Performance optimization

Only in Keygen

Nothing recorded that Avast One does not also cover.

What people use each for

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

Avast One

  • Antivirusnot Keygen
  • Internet Securitynot Keygen
  • Privacy Toolsnot Keygen

Keygen

No use cases recorded yet. See the Keygen review.

Where each one falls short

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

Avast One

  • Ransomware and Wi-Fi vulnerability protection only on paid plans
  • Free plan VPN is limited, no data breakthrough monitoring
  • Rebuilt app in May 2026 may have stability issues

Keygen

  • Cloud hosted plans start at $995 per month billed per domain, a floor aimed at established software vendors rather than solo developers

Pricing, plan by plan

Avast One

Free
  • FreeFree
    • Antivirus
    • Limited VPN
    • Privacy tools
  • Silver$2.99/month
    • Enhanced antivirus
    • VPN
    • Device cleanup
  • Premium$4.19/month
    • Full antivirus
    • VPN with 55 servers
    • Password manager
  • Premium Plus$11.67/month
    • All Premium features
    • 30 devices covered

Keygen

On request

No published plan breakdown. See the Keygen review.

Which should you pick?

Choose Avast One if

  • You need antivirus.
  • You want to start without paying.
  • You work on Windows, macOS, iOS, Android.
  • You also want firewall.
Avast One review

Choose Keygen if

Nothing in the data separates Keygen from Avast One on the points above - pick on price and on how each one feels to use.

Keygen review

Questions people ask

Is Avast One or Keygen better?
Neither clearly leads. Avast One starts at Free and Keygen at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or Keygen?
Avast One has a free tier; the other does not. Paid plans start at Free for Avast One and On request for Keygen.
Does Avast One or Keygen run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. Keygen runs on Web.
Can I use Avast One for free?
Yes. Avast One has a free tier, so you can try it without paying. Keygen starts at On request.
What is Avast One best used for?
Avast One is most often used for antivirus, internet security, privacy tools. Of those, antivirus and internet security are not what Keygen is typically brought in for.
What can Avast One do that Keygen cannot?
Avast One covers Antivirus, Firewall, VPN, Data breach monitoring.

Answered from the vendors’ own pages

Avast One: Is Avast One free?

Yes. Avast One offers a free tier with antivirus, VPN (limited), and privacy tools. Paid plans start at $2.99/month for Silver and $4.19/month for Premium covering up to 5 devices.

Source
Avast One: What does Avast One include?

Avast One provides antivirus, VPN, password manager, device cleanup, Wi-Fi security, data breach monitoring, and protection against AI-generated scams and deepfakes.

Source
Avast One: Does Avast One have ransomware protection?

Ransomware protection is available only on paid plans, not the free tier. Free users get antivirus and basic protection only.

Source
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