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Best Microsoft Defender Antivirus Alternatives in 2026

12 apps from antivirus software ranked against Microsoft Defender Antivirus on the same published basis.

  1. 1
    Avira Free Antivirus Free plan AndroidiOSMacWin Free9.3
    Microsoft Defender Antivirus vs Avira Free Antivirus
  2. 2
    Bitdefender Total Security Free trial AndroidiOSMacWin $5/mo9.2
    Microsoft Defender Antivirus vs Bitdefender Total Security
  3. 3
    Avast Free Antivirus Free plan AndroidiOSMacWin Free9.2
    Microsoft Defender Antivirus vs Avast Free Antivirus
  4. 4
    FortiClient Free plan AndroidiOSLinuxMacWin Free9.2
    Microsoft Defender Antivirus vs FortiClient
  5. 5
    Avast One AndroidiOSMacWin 9.0
    Microsoft Defender Antivirus vs Avast One
  6. 6
    Bitdefender Antivirus Plus Free trial AndroidiOSMacWin $2.08/mo9.0
    Microsoft Defender Antivirus vs Bitdefender Antivirus Plus
  7. 7
    Malwarebytes Premium AndroidextensioniOSMacWin 8.9
    Microsoft Defender Antivirus vs Malwarebytes Premium
  8. 8
    Norton 360 AndroidiOSMacWin $7.92/mo8.7
    Microsoft Defender Antivirus vs Norton 360
  9. 9
    F-Secure Total Free trial AndroidiOSMacWin $5.83/mo8.7
    Microsoft Defender Antivirus vs F-Secure Total
  10. 10
    PC Matic Free trial AndroidiOSMacWin $2.50/mo8.7
    Microsoft Defender Antivirus vs PC Matic
  11. 11
    Avira Free Security Free plan AndroidiOSMacWin Free8.6
    Microsoft Defender Antivirus vs Avira Free Security
  12. 12
    G DATA Total Security AndroidiOSMacWin $4.16/mo8.5
    Microsoft Defender Antivirus vs G DATA Total Security
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