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Head-to-head · Antivirus Software

Kaspersky Antivirus vs Avast One

  • Updated Oct 2026
  • Both researched from official sources
  • 5 checks side by side
Higher score Kaspersky Antivirus #7 in Antivirus Software 8.7/10 30-day trial Free trial✓ 3 of 3 features Visit Kaspersky
Avast One #8 in Antivirus Software 8.5/10 Free plan Free plan✓ 1 of 3 features Visit Avast One

Kaspersky Antivirus leads on 0 checks, Avast One on 1, and 4 are even. Who comes out ahead on the 5 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKaspersky Antivirus · 8.7/10
  • Free planonly Avast One
  • Free trialonly Kaspersky Antivirus
  • Most featuresKaspersky Antivirus · 3 of 3

Kaspersky Antivirus scores higher on our rubric for antivirus software: 8.7 against 8.5 out of 10; our editors rank them #7 and #8.

Avast One leads on device limit: 30 devices versus 3 devices.

Kaspersky Antivirus is the better fit for users wanting Kaspersky protection with add-ons. Avast One is the better fit for broad protection with a free starting option.

  • Kaspersky Antivirus fits best

    Users wanting Kaspersky protection with add-ons

  • Avast One fits best

    Broad protection with a free starting option

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Side by side

Feature Kaspersky Antivirus 8.7/10 Visit ↗ Avast One 8.5/10 Visit ↗
At a glance
Editor score 8.7 8.5
Ranking #7 in Antivirus Software #8 in Antivirus Software
Best for Users wanting Kaspersky protection with add-ons Broad protection with a free starting option
Pricing model Paid Free plan + paid
Starting price $54.99/yr —
Free plan Not checked yet ✓ (best)
Free trial 30 days —
Money-back guarantee 30 days 30 days
Deployment Cloud, Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, iOS, Android
Support Community, Docs · 24/7 Community, Docs
Compliance SOC 2, ISO 27001, GDPR GDPR
Built for Solo, Small business Solo, Small business
Features Kaspersky Antivirus 3/3 · Avast One 1/3
Ransomware protection ✓ ✓
Parental controls ✓ (best) Not checked yet
Password manager ✓ (best) Not checked yet
Specs
Protection scope Complete security Complete security
Device limit 3 devices 30 devices (best)
Supported platforms Windows, macOS, Android, iOS, Linux Windows, macOS, Android, iOS
Our review
Pros
  • Protects Windows, macOS, Android, iOS, and Linux devices
  • Includes ransomware, phishing, payment, and network protection
  • Premium adds unlimited VPN, Password Manager, and Safe Kids
  • Free starting plan with antivirus, web, and ransomware protection
  • Covers Windows, macOS, Android, and iOS
  • Adds VPN, firewall, webcam, scam, and breach monitoring tools
Cons
  • The listed Premium plan covers three devices
  • Premium pricing is an annual renewal price
  • Several add-ons are reserved for higher-tier plans
  • The entry-level VPN is limited
  • Paid plans add complexity across modules
  • Pricing is region-dependent
Our verdict

Kaspersky Antivirus is a consumer security suite for individuals and families protecting computers and mobile devices. It supports Windows, macOS, Android, iOS, and Linux, with real-time antivirus and anti-malware protection at its core.…

Read the review →

Avast One is a consumer security application for individuals and families protecting personal devices and online activity. It combines real-time antivirus protection with ransomware defense, malicious-website blocking, AI-assisted scam…

Read the review →
  1. Kaspersky AntivirusAntivirus Software 8.730-day trial
  2. Avast OneAntivirus Software 8.5Free plan

Strengths and trade-offs

  • Kaspersky Antivirus — where it wins

    • Protects Windows, macOS, Android, iOS, and Linux devices
    • Includes ransomware, phishing, payment, and network protection
    • Premium adds unlimited VPN, Password Manager, and Safe Kids

    Where it doesn't

    • The listed Premium plan covers three devices
    • Premium pricing is an annual renewal price
    • Several add-ons are reserved for higher-tier plans

  • Avast One — where it wins

    • Free starting plan with antivirus, web, and ransomware protection
    • Covers Windows, macOS, Android, and iOS
    • Adds VPN, firewall, webcam, scam, and breach monitoring tools

    Where it doesn't

    • The entry-level VPN is limited
    • Paid plans add complexity across modules
    • Pricing is region-dependent
  • Kaspersky Antivirus8.7/10 · 30-day trial

    Cross-platform Kaspersky protection with VPN, password management, and family controls on Premium.

    Visit KasperskyFull verdict →
  • Avast One8.5/10 · Free plan

    A broad consumer security suite with free essentials and paid privacy and identity tools.

    Visit Avast OneFull verdict →

More comparisons

All antivirus software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update