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Head-to-head · Antivirus Software

Bitdefender GravityZone Small Business Security vs Avast One

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Avast One #8 in Antivirus Software 8.5/10 Free plan Free plan✓ 1 of 3 features Visit Avast One

Bitdefender GravityZone Small Business Security leads on 1 check, Avast One on 1, and 1 is even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreBitdefender GravityZone Small Business Security · 9.3/10
  • Free planonly Avast One

Bitdefender GravityZone Small Business Security scores higher on our rubric for antivirus software: 9.3 against 8.5 out of 10; our editors rank them #2 and #8.

Avast One offers free plan; Bitdefender GravityZone Small Business Security doesn't. Bitdefender GravityZone Small Business Security leads on device limit: 100 devices versus 30 devices.

Bitdefender GravityZone Small Business Security is the better fit for small businesses with advanced endpoint needs. Avast One is the better fit for broad protection with a free starting option.

  • Bitdefender GravityZone Small Business Security fits best

    Small businesses with advanced endpoint needs

  • Avast One fits best

    Broad protection with a free starting option

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Side by side

Feature Bitdefender GravityZone Small Business Security 9.3/10 Visit ↗ Avast One 8.5/10 Visit ↗
At a glance
Editor score 9.3 8.5
Ranking #2 in Antivirus Software #8 in Antivirus Software
Best for Small businesses with advanced endpoint needs Broad protection with a free starting option
Pricing model Paid Free plan + paid
Starting price Not checked yet —
Free plan — ✓ (best)
Free trial — —
Deployment Cloud Desktop, Mobile
Platforms Web, Windows, macOS, Linux Windows, macOS, iOS, Android
Support Live chat, Phone, Tickets, Community, Docs · 24/7 Community, Docs
Compliance GDPR GDPR
Built for Small business Solo, Small business
Features Bitdefender GravityZone Small Business Security 1/3 · Avast One 1/3
Ransomware protection ✓ ✓
Parental controls Not checked yet Not checked yet
Password manager Not checked yet Not checked yet
Specs
Protection scope Complete security Complete security
Device limit 100 devices (best) 30 devices
Supported platforms Windows, Linux, macOS Windows, macOS, Android, iOS
Our review
Pros
  • Advanced anti-exploit and fileless attack defense
  • Ransomware mitigation with tamper-proof file backups
  • Centralized management across Windows, Linux, and macOS
  • 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
  • Paid subscription required; there is no free plan
  • Online purchase supports deployments from 1 to 100 devices
  • Focused on endpoint security rather than a general-purpose IT suite
  • The entry-level VPN is limited
  • Paid plans add complexity across modules
  • Pricing is region-dependent
Our verdict

Bitdefender GravityZone Small Business Security is an endpoint security product for small businesses managing laptops, desktops, and file servers. It combines antimalware protection with advanced anti-exploit controls, fileless attack…

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. Bitdefender GravityZone Small Business SecurityAntivirus Software 9.3Paid
  2. Avast OneAntivirus Software 8.5Free plan

Strengths and trade-offs

  • Bitdefender GravityZone Small Business Security — where it wins

    • Advanced anti-exploit and fileless attack defense
    • Ransomware mitigation with tamper-proof file backups
    • Centralized management across Windows, Linux, and macOS

    Where it doesn't

    • Paid subscription required; there is no free plan
    • Online purchase supports deployments from 1 to 100 devices
    • Focused on endpoint security rather than a general-purpose IT suite
  • 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
  • Bitdefender GravityZone Small Business Security9.3/10 · Paid

    A paid endpoint security suite for small businesses needing layered protection and central control.

    Visit BitdefenderFull 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

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update