Side by side
Avast One vs Avira Free Antivirus
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 AndroidAPIExtension+3
Avira Free Antivirus combines internet security, ransomware protection, and a password manager in a free plan. Consider whether its 500 MB monthly VPN allowance suits your needs.
Visit Avira Free AntivirusThe facts
| Avast One | Avira Free Antivirus | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | No | No |
| Runs on | Android, Extension, iPhone, Mac, Windows | Android, API, Extension, iPhone, Mac, Windows |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 8 | 2 |
| Maker | Avast One | Avira Free Antivirus |
| Website | avast.com | avira.com |
| On antivirus software | #5 of 120 | #9 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.
Avira Free Antivirus: what it does well
- Available for Windows, macOS, Android, and iOS
- Includes ransomware protection
- Includes a password manager
- Free plan includes 500 MB VPN data monthly
What to know first
- VPN data is limited to 500 MB per month
Alternatives to Avast One Alternatives to Avira Free Antivirus The whole list

