Avast Antivirus vs F-Secure

Updated November 2026 · AppBreakup editorial

Avast Antivirus

Widely used free antivirus for Windows and Mac, with paid tiers adding firewall, VPN and cleanup tools.

Free plan + paid

Visit Avast Antivirus Avast Antivirus profile

F-Secure

Finnish consumer antivirus and online security suites for Windows, Mac, Android and iOS.

Paid

Visit F-Secure F-Secure profile

The short answer

Avast suits home users who want free real-time antivirus on Windows and can live with upgrade prompts. F-Secure suits households willing to pay for a European suite with banking and scam protection across PC, Mac, Android and iOS. The biggest difference is price: Avast has a free edition, while F-Secure is subscription-only after a 30-day trial.

Avast Antivirus or F-Secure: our take

Both cover Windows, Mac, Android and iPhone, but they start from different places. Avast Free Antivirus for Windows gives real-time scanning of files, downloads, email and websites at no cost, plus a Smart Scan that checks for malware, risky browser add-ons and weak settings in one pass. The firewall, ransomware shields, webcam protection, VPN and cleanup tools sit in paid tiers such as Premium Security, Ultimate and Avast One. F-Secure has no free antivirus plan, only a one-off online scanner; its entry product, F-Secure Internet Security, starts at €49.99/year for 1 device and bundles virus and ransomware scanning with browsing protection, banking protection and scam warnings for untrusted stores and SMS. F-Secure Total adds a VPN, password and identity monitoring.

The experience differs too. Avast's free edition shows frequent upgrade offers, and setup can suggest other Avast apps. Avast is owned by Gen Digital, which also owns Norton and AVG, so the products share much of their technology. F-Secure is a Finnish company that says it handles personal data under the GDPR and does not sell user data, which matters to people who care where their security vendor is based. It offers a 30-day free trial and a 30-day money-back guarantee, though some features vary between its desktop and mobile apps.

Pick Avast if the goal is solid real-time protection on a Windows PC or Mac without paying, and occasional sales prompts are acceptable. Pick F-Secure if you would rather pay for a quieter subscription with scam and banking protection built in, prefer a European vendor, or want one plan covering phones and computers across a household.

Choose Avast Antivirus if…

Home users who want a free real-time antivirus for Windows or Mac
You want a free option (F-Secure is paid only)
Free edition includes real-time protection, not just scans
Covers Windows, Mac, Android and iPhone

Choose F-Secure if…

Households wanting a European antivirus suite with scam and banking protection across their devices
Covers Windows, Mac, Android and iOS in one subscription
Banking and scam protection beyond basic virus scanning

What is Avast Antivirus?

Avast Antivirus is one of the best-known consumer security suites. The free edition for Windows scans files, downloads, email and websites in real time and runs a Smart Scan that looks for malware, risky browser add-ons and weak settings in one pass. Avast Security for Mac and free mobile apps for Android and iPhone cover other devices. Paid tiers (Premium Security, Ultimate and the Avast One bundle) add a firewall, ransomware shields, webcam protection, a VPN and PC cleanup tools. Avast is owned by Gen Digital, the company behind Norton and AVG, so the products share much of their technology. It suits home users who want solid free protection and don't mind upgrade prompts; people who dislike in-app offers for other Avast products may prefer a quieter option.

What is F-Secure?

F-Secure is a Finnish security company whose consumer products protect home computers and phones. Its standalone Anti-Virus product has been folded into F-Secure Internet Security, which scans for viruses, ransomware and spyware and adds browsing protection that flags dangerous sites, banking protection for shopping and payments, scam protection that warns about untrusted stores and SMS scams, and a gaming mode. F-Secure Total bundles that with a VPN, password and identity monitoring. The company stresses its European base: it says it handles personal data under the GDPR and does not sell user data. It is a paid subscription priced per number of devices and years, with a 30-day free trial and a 30-day money-back guarantee; a free online scanner is also offered for one-off PC checks. Apps cover Windows, macOS, Android and iOS, though some features differ by platform.

Side by side

Attribute	Avast Antivirus	F-Secure
Pricing	Free plan + paid	Paid
Open source	No	No
Self-hostable	No	No
Platforms	Windows, macOS, Android, iOS	Windows, macOS, Android, iOS
Best for	Home users who want a free real-time antivirus for Windows or Mac	Households wanting a European antivirus suite with scam and banking protection across their devices
Status	Active	Active