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Head-to-head · Antivirus Software

Kaspersky Plus Internet Security vs Avira Free Security

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Kaspersky Plus Internet Security #6 in Antivirus Software 8.8/10 30-day trial Free trial✓ 3 of 3 features Visit Kaspersky
Avira Free Security #28 in Antivirus Software 6.6/10 Free plan Free plan✓ 2 of 3 features Visit Avira

Kaspersky Plus Internet Security leads on 1 check, Avira Free Security on 1, and 2 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreKaspersky Plus Internet Security · 8.8/10
  • Free planonly Avira Free Security
  • Free trialonly Kaspersky Plus Internet Security
  • Most featuresKaspersky Plus Internet Security · 3 of 3

Kaspersky Plus Internet Security scores higher on our rubric for antivirus software: 8.8 against 6.6 out of 10; our editors rank them #6 and #28.

Avira Free Security offers free plan; Kaspersky Plus Internet Security doesn't. On protection scope, Kaspersky Plus Internet Security gives you Complete security where Avira Free Security offers Internet security. Kaspersky Plus Internet Security offers parental controls; Avira Free Security doesn't.

Kaspersky Plus Internet Security is the better fit for single-device users wanting a full security suite. Avira Free Security is the better fit for free, multi-platform personal antivirus.

  • Kaspersky Plus Internet Security fits best

    Single-device users wanting a full security suite

  • Avira Free Security fits best

    Free, multi-platform personal antivirus

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Kaspersky Plus Internet Security 8.8/10 Visit ↗ Avira Free Security 6.6/10 Visit ↗
At a glance
Editor score 8.8 6.6
Ranking #6 in Antivirus Software #28 in Antivirus Software
Best for Single-device users wanting a full security suite Free, multi-platform personal antivirus
Pricing model Paid Free plan + paid
Starting price 30-day trial —
Free plan — ✓ (best)
Free trial 30 days —
Deployment Desktop, Mobile Desktop, Mobile
Platforms Windows, macOS, Linux, iOS, Android Windows, macOS, Android, iOS
Features Kaspersky Plus Internet Security 3/3 · Avira Free Security 2/3
Ransomware protection ✓ ✓
Parental controls ✓ (best) —
Password manager ✓ ✓
Specs
Protection scope Complete security Internet security
Device limit 10 devices Not checked yet
Supported platforms Windows, macOS, Linux, Android, iOS Windows, macOS, Android, iOS
Our review
Pros
  • Covers antivirus, ransomware, firewall, phishing, and payment threats
  • Includes unlimited VPN, password manager, and data-leak checking
  • Supports Windows, macOS, Linux, Android, and iOS
  • Free plan covers Windows, macOS, Android, and iOS
  • Combines real-time, ransomware, browser, and virus protection
  • Adds VPN, password management, cleanup, and update tools
Cons
  • The listed Kaspersky Plus plan covers one device
  • There is no free plan
  • Pricing varies by region and includes an introductory offer structure
  • Feature availability varies by operating system
  • Parental controls are not included
  • The free package is aimed at consumers rather than broader security needs
Our verdict

Kaspersky Plus Internet Security is a paid subscription antivirus product for individuals and families who want more than malware detection on a single device. Its security coverage includes real-time antivirus, anti-malware,…

Read the review →

Avira Free Security is a free consumer security package for protecting devices against malware and ransomware. Its coverage spans Windows, macOS, Android, and iOS, with features that include full virus scanning, real-time antivirus…

Read the review →
  1. Kaspersky Plus Internet SecurityAntivirus Software 8.830-day trial
  2. Avira Free SecurityAntivirus Software 6.6Free plan

Strengths and trade-offs

  • Kaspersky Plus Internet Security — where it wins

    • Covers antivirus, ransomware, firewall, phishing, and payment threats
    • Includes unlimited VPN, password manager, and data-leak checking
    • Supports Windows, macOS, Linux, Android, and iOS

    Where it doesn't

    • The listed Kaspersky Plus plan covers one device
    • There is no free plan
    • Pricing varies by region and includes an introductory offer structure
  • Avira Free Security — where it wins

    • Free plan covers Windows, macOS, Android, and iOS
    • Combines real-time, ransomware, browser, and virus protection
    • Adds VPN, password management, cleanup, and update tools

    Where it doesn't

    • Feature availability varies by operating system
    • Parental controls are not included
    • The free package is aimed at consumers rather than broader security needs
  • Kaspersky Plus Internet Security8.8/10 · 30-day trial

    A broad security suite for one device, with VPN and password management included.

    Visit KasperskyFull verdict →
  • Avira Free Security6.6/10 · Free plan

    A broad free antivirus package for personal protection across four major platforms.

    Visit AviraFull verdict →

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update