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Security & Cybersecurity · head to head

Avast One vs Semperis

Avast One logo

Avast One

Security & Cybersecurity

All-in-one protection for your digital life

From
Free
Rated
-
Full reviewWebsite
S

Semperis

Security & Cybersecurity

Agentic readiness starts with identity resilience

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; Semperis pricing is not published on semperis.com for any of its named products (Directory Services Protector, Identity Runtime Protection, Active Directory Forest Recovery, Ready1, Migrator for AD); the site offers a demo request in place of every figure.

Where they differ

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

Attributes where Avast One and Semperis differ
AttributeAvast OneSemperis
Starting priceFreeOn request
Pricing modelUnknownquote
Free tierYesNo
PlatformsWindows, macOS, iOS, AndroidWeb
Founded1988Unknown

Identical on both: user rating (Not yet rated), category (Security & Cybersecurity).

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 Semperis

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 Semperis
  • Internet Securitynot Semperis
  • Privacy Toolsnot Semperis

Semperis

No use cases recorded yet. See the Semperis 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

Semperis

  • Pricing is not published on semperis.com for any of its named products (Directory Services Protector, Identity Runtime Protection, Active Directory Forest Recovery, Ready1, Migrator for AD); the site offers a demo request in place of every figure.

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

Semperis

On request

No published plan breakdown. See the Semperis 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 Semperis if

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

Semperis review

Questions people ask

Is Avast One or Semperis better?
Neither clearly leads. Avast One starts at Free and Semperis at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or Semperis?
Avast One has a free tier; the other does not. Paid plans start at Free for Avast One and On request for Semperis.
Does Avast One or Semperis run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. Semperis runs on Web.
Can I use Avast One for free?
Yes. Avast One has a free tier, so you can try it without paying. Semperis 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 Semperis is typically brought in for.
What can Avast One do that Semperis 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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