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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
    Avast Free Antivirus Free plan AndroidiOSMacWin Free7.6
    Microsoft Defender Antivirus vs Avast Free Antivirus
  2. 2
    Avira Free Security Free plan AndroidiOSMacWin Free7.6
    Microsoft Defender Antivirus vs Avira Free Security
  3. 3
    Avira Free Antivirus Free plan AndroidiOSMacWin Free7.5
    Microsoft Defender Antivirus vs Avira Free Antivirus
  4. 4
    Comodo Internet Security Free plan Win 7.3
    Microsoft Defender Antivirus vs Comodo Internet Security
  5. 5
    Bitdefender Total Security Free trial AndroidiOSMacWin $5/mo7.2
    Microsoft Defender Antivirus vs Bitdefender Total Security
  6. 6
    Kaspersky Antivirus AndroidiOSLinuxMacWin $4.58/mo7.1
    Microsoft Defender Antivirus vs Kaspersky Antivirus
  7. 7
    AetherAV Free plan LinuxMacWin Free7.1
    Microsoft Defender Antivirus vs AetherAV
  8. 8
    Avast One AndroidiOSMacWin 7.0
    Microsoft Defender Antivirus vs Avast One
  9. 9
    Bitdefender Antivirus Plus Free trial AndroidiOSMacWin $2.08/mo7.0
    Microsoft Defender Antivirus vs Bitdefender Antivirus Plus
  10. 10
    Malwarebytes Premium AndroidextensioniOSMacWin 7.0
    Microsoft Defender Antivirus vs Malwarebytes Premium
  11. 11
    IObit Malware Fighter Free plan Win Free7.0
    Microsoft Defender Antivirus vs IObit Malware Fighter
  12. 12
    ESET Mobile Security for Android Free plan Android Free6.9
    Microsoft Defender Antivirus vs ESET Mobile Security for Android
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The sponsored alternative slot on this page is labelled and never changes the order above.

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