Avast Antivirus vs ESET NOD32 Antivirus

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

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ESET NOD32 Antivirus

Lightweight paid antivirus for Windows and macOS from the Slovak security firm ESET.

Paid

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The short answer

Avast suits home users who want free real-time antivirus on Windows or Mac and don't mind upgrade offers. ESET NOD32 suits Windows and Mac users, especially gamers, who prefer to pay for a light, quiet antivirus with detailed settings. The biggest difference: Avast is free with paid add-ons and frequent prompts, while ESET NOD32 is paid-only after a 30-day trial and stays out of the way.

Avast Antivirus or ESET NOD32 Antivirus: our take

Avast Free Antivirus for Windows scans files, downloads, email and websites in real time, and its Smart Scan checks for malware, risky browser add-ons and weak settings in one pass. Avast Security for Mac and free mobile apps cover other devices. A firewall, ransomware shields, webcam protection, a VPN and cleanup tools need a paid tier such as Premium Security, Ultimate or Avast One. Avast is owned by Gen Digital, which also owns Norton and AVG. The trade-offs are frequent upgrade offers in the free version and setup that can suggest extra Avast apps. It supports a wide range of Windows versions, from Windows 7 SP1 to Windows 11.

ESET NOD32 Antivirus has no free version, but offers a full-featured 30-day trial without a credit card and is then sold as a yearly subscription by number of devices. It focuses on core protection: real-time antivirus and antispyware, ransomware and phishing blocking, and machine-learning detection, with a small footprint. Gamer Mode pauses pop-ups and background tasks during full-screen apps, and advanced users get detailed settings. It needs Windows 10 or later or macOS 13 or later, and the firewall, VPN and Android protection are only in ESET's bigger HOME Security plans.

Pick Avast if you want real-time protection without paying, need to cover an older Windows PC, or want free apps for your phone as well. Pick ESET NOD32 if you would rather pay once a year for a quiet antivirus that doesn't push other products, you game on your PC, or you like adjusting settings. Note that neither one's entry tier includes a firewall: Avast puts it in paid plans and ESET in HOME Security.

Choose Avast Antivirus if…

Home users who want a free real-time antivirus for Windows or Mac
You want a free option (ESET NOD32 Antivirus is paid only)
You need Android and iOS, which ESET NOD32 Antivirus doesn't list
Free edition includes real-time protection, not just scans
Covers Windows, Mac, Android and iPhone

Choose ESET NOD32 Antivirus if…

PC and Mac users, especially gamers, who want light paid protection without extras
Light on system resources, with a Gamer Mode
Detailed settings for advanced users

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 ESET NOD32 Antivirus?

ESET NOD32 Antivirus is the entry-level home product from ESET, a Slovak security company whose NOD32 engine has been around since the 1990s. It focuses on core protection: real-time antivirus and antispyware, ransomware and phishing blocking, and machine-learning detection, with a small footprint and multithreaded scans. Gamer Mode pauses background tasks and pop-ups during full-screen apps, which makes it popular with gamers. It runs on Windows 10 and 11 and on macOS 13 or later; Android is covered only by ESET's bigger HOME Security plans, which add a firewall, banking protection and a VPN. There is no free version, but a full-featured 30-day trial is available, and subscriptions are sold yearly by number of devices. It suits people who want a quiet, configurable antivirus without bundled extras.

Side by side

Attribute	Avast Antivirus	ESET NOD32 Antivirus
Pricing	Free plan + paid	Paid
Open source	No	No
Self-hostable	No	No
Platforms	Windows, macOS, Android, iOS	Windows, macOS
Best for	Home users who want a free real-time antivirus for Windows or Mac	PC and Mac users, especially gamers, who want light paid protection without extras
Status	Active	Active