Avira Free Antivirus vs iolo System Shield
| Avira Free Antivirus | iolo System Shield | |
|---|---|---|
| Free plan | Yes | No |
| Free trial | No | Yes |
| Paid from | Free | $3/mo |
| Platforms | Android, extension, iOS, macOS, Windows | Windows |
| Free plan | Yes | No |
| Protection scope | internet security | antivirus |
| Supported platforms | Windows, macOS, Android, iOS | Windows |
| Ransomware protection | Yes | |
| Password manager | Yes |
Listed together in Best Antivirus Software