Side by side
Avast One vs ClamAV
Both stand on antivirus software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan AndroidExtensioniPhone+2
Choose Avast One if you want security, maintenance, and ad blocking across supported desktop and mobile platforms, with a free Basic plan. Buyers who want additional device protection or broader security, privacy, and performance features can consider the paid tiers, which reach $9.99 per month.
Visit Avast One Free plan Open source APILinuxMac+2
ClamAV provides scanning tools, frequent database updates, and coverage across several operating systems and file formats. Readers should account for its engine-focused scope, resource recommendations, and format-extraction caveat.
Visit ClamAVThe facts
| Avast One | ClamAV | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | Yes |
| Runs on | Android, Extension, iPhone, Mac, Windows | API, Linux, Mac, Self-hosted, Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 8 | 2 |
| Maker | Avast One | Not published |
| Website | avast.com | clamav.net |
| On antivirus software | #5 of 120 | #1 of 120 |
Avast One: what it does well
- Free Basic plan includes essential antivirus and security features.
- Supports Windows, macOS, Android, and iOS.
- Ransomware protection and built-in ad blocking are included.
- Junk cleanup, startup management, and scheduled maintenance are available.
- Cross-device sync is supported.
What to know first
- Platinum costs $9.99 per month.
- Windows support is listed for Windows 10 and 11.
ClamAV: what it does well
- Free, open-source engine.
- Database updates multiple times per day.
- Scans common mail, archive, executable, and document formats.
- On-access scanning is available on modern Linux.
- Official Docker images are available for Alpine and Debian.
What to know first
- Not a traditional antivirus or endpoint security suite.
- Recommended minimum is 3 GiB RAM and 5 GiB disk.
- Does not guarantee extraction of every format variant.
Alternatives to Avast One Alternatives to ClamAV The whole list