2026

Avast vs Bitdefender

Avast and Bitdefender compared side by side: protection, performance, pricing, and features. Which antivirus suits you better?

Avast

8.7

/ 10

Avast Premium Security is one of the most recognisable antivirus brands and offers solid protection for up to 10 devices. The suite includes web protection, VPN, and anti-tracking features. Platform coverage is broad – from Windows and Mac to mobile devices. Avast has faced past criticism over data privacy practices, which have since been addressed. Pricing is fair but not always the cheapest.

1st Year PriceCHF 37.90 RenewalCHF 74.90 PlatformsWindows, Mac, Android, iPhone / iPad

Protection 9.1

Performance 8.7

Best for 8.9

First-year price 8.5

Key features 8.8

Support 8.1

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Bitdefender

9.0

/ 10

Bitdefender consistently ranks among the top-tested antivirus solutions worldwide. The Total Security suite offers strong real-time protection, a built-in VPN, password manager, and anti-tracking – making it ideal for families and power users who value a comprehensive security package. System impact stays moderate, especially on modern hardware. Note that the renewal price increases significantly compared to the introductory offer.

1st Year PriceCHF 49.90 RenewalCHF 89.90 PlatformsWindows, Mac, Android, iPhone / iPad

Protection 9.8

Performance 9.1

Best for 8.9

First-year price 8.2

Key features 9.4

Support 8.6

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Our Verdict

Bitdefender narrowly wins – Avast is the leaner choice.

Bitdefender scores 9.0 / 10 overall and is the stronger pick on protection and feature scope. If you value maximum performance, low resource use and lower renewal costs, Avast is the better fit. Both are excellent options for Swiss users.

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Our verdict

Bitdefender takes a slight lead in our comparison with an overall score of 9.0 out of 10 – an advantage of 0.3 points over Avast. The gap is small but consistent across multiple test dimensions.

On price, Avast currently sits at CHF 38 in year one, Bitdefender at CHF 50. Watch the renewal price closely: both are transparently listed in the table above and matter more long-term than the introductory price.

Strength profiles: Avast scores highest on protection, Bitdefender on protection. If you care most about one of those dimensions, the choice is clear. For all-round needs, either product is a safe pick.

Feature-by-feature comparison

Criterion	Avast	Bitdefender
Real-time protection	Yes	Yes
Built-in VPN	Yes	Yes
Password manager	No	Yes
Anti-tracking / anti-phishing	Yes	Yes
Parental controls	No	No
Identity protection	No	No
Low system impact	No	Yes
Platforms	Windows, Mac, Android, iPhone / iPad	Windows, Mac, Android, iPhone / iPad
Number of devices (standard licence)	10	5
System impact in daily use	Moderate	Very low

More comparisons with Avast

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Frequently asked questions about Avast vs Bitdefender

Is Microsoft Defender enough or do I need :paid?

Defender is solid baseline protection in 2026 and enough for cautious users on up-to-date Windows with 2FA. :paid adds VPN, password manager, web/phishing filter, ransomware module and anti-tracking – useful for banking, crypto, heavy web research or a family setup.

How much does :paid cost per month vs Defender?

Defender is free; :paid costs roughly CHF 3–8/month in year one (converted) and rises on renewal. The exact price is in the table above.

Does :paid slow my PC more than Defender?

In AV-TEST performance tests most commercial suites match or slightly exceed Defender. In daily use on modern hardware the difference is barely noticeable.

Can I run :paid and Defender at the same time?

No – as soon as :paid is installed, Defender disables itself automatically. Two active real-time scanners cause conflicts and should be avoided.