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 entryAvast
$0/mo entrySources — 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