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Avast One vs OWASP ZAP

Avast One logo

Avast One

Software

All-in-one protection for your digital life

From
Free
Rated
-
OWASP ZAP logo

OWASP ZAP

Software

Free security testing tool for web applications

From
Free
Rated
-

The short version

  • Each has a real cost: Avast One ransomware and Wi-Fi vulnerability protection only on paid plans; OWASP ZAP oWASP ZAP is free and open source with no official paid enterprise support contract available from OWASP; support is community-only (mailing lists, GitHub issues).
  • They diverge on capability: Avast One covers Antivirus, OWASP ZAP covers Active scanner.

Where they differ

Only the attributes on which Avast One and OWASP ZAP actually diverge.

Attributes where Avast One and OWASP ZAP differ
AttributeAvast OneOWASP ZAP
Pricing modelUnknownfree
PlatformsWindows, macOS, iOS, AndroidDesktop, Cli, Api
Founded19882001

Identical on both: starting price (Free), free tier (Yes), 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 OWASP ZAP

  • Active scanner
  • Passive scanner
  • Spider/crawler
  • Fuzzer
  • Forced browse
  • WebSocket testing
  • AJAX spider
  • Authentication support

Both cover

  • Desktop support

What people use each for

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

Avast One

  • Antivirusnot OWASP ZAP
  • Internet Securitynot OWASP ZAP
  • Privacy Toolsnot OWASP ZAP

OWASP ZAP

  • Penetration Testingnot Avast One
  • Web Securitynot Avast One
  • Open Sourcenot Avast One

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

OWASP ZAP

  • OWASP ZAP is free and open source with no official paid enterprise support contract available from OWASP; support is community-only (mailing lists, GitHub issues).

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

OWASP ZAP

Free
  • Free & Open SourceFree
    • Full functionality
    • Active & passive scanning
    • Spider

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.

Choose OWASP ZAP if

  • You need active scanner.
  • You want to start without paying.
  • You work on Desktop, Cli, Api.
  • You also want passive scanner.

Questions people ask

Is Avast One or OWASP ZAP better?
Neither clearly leads. Avast One starts at Free and OWASP ZAP at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Avast One or OWASP ZAP?
Avast One starts at Free and OWASP ZAP at Free.
Does Avast One or OWASP ZAP run on more platforms?
Avast One runs on Windows, macOS, iOS, Android. OWASP ZAP runs on Desktop, Cli, Api.
Can I use Avast One for free?
Both have a free tier, so you can try either at no cost before committing.
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 OWASP ZAP is typically brought in for.
What can Avast One do that OWASP ZAP cannot?
Avast One covers Antivirus, Firewall, VPN, Data breach monitoring. OWASP ZAP covers Active scanner, Passive scanner, Spider/crawler, Fuzzer. Both handle Desktop support.

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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