Best Antivirus Software · head-to-head

Bitdefender vs Avast

A sourced, side-by-side comparison for antivirus software. Avast has the lower entry price. Every figure links to the vendor's own page and the date we captured it.

Avast has the lower entry price — Bitdefender starts at $2.08/mo, Avast at $0/mo. Free tier: Bitdefender Yes, Avast Yes. HIPAA: Bitdefender —, Avast —.

As of 2026-06-14 · figures link to their source below

Side by side

Bitdefender

$2.08/mo entry
Entry price$2.08/mo (Bitdefender Antivirus Plus (1 device))
Free tierYes
HIPAA (BAA)
SOC 2
GDPR
Best forWindows-primary households wanting strong detection with low system overhead

Avast

$0/mo entry
Entry price$0/mo (Avast Free Antivirus)
Free tierYes
HIPAA (BAA)
SOC 2
GDPRYes
Best forBudget users wanting a full-featured forever-free antivirus

Sources — Bitdefender: bitdefender.com (verified 2026-06-14) · Avast: avast.com (verified 2026-06-14)

Key features

Bitdefender: Behavior-based threat detection (not just signature scanning); Auto Sandbox isolates suspicious files before execution; Multi-layer ransomware protection with file recovery; Bitdefender Central cloud console for remote device management; Minimal performance impact — consistently top-ranked in AV-TEST performance tests

Avast: AI-powered Avast Assistant for scam detection in messages; Webcam Shield blocks unauthorized camera access (paid); Ransomware Shield protects files from unauthorized encryption; Network Inspector detects Wi-Fi intruders and router vulnerabilities; Avast is part of Gen Digital (same parent as Norton/AVG) — shared threat intelligence

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