Best iolo System Shield Alternatives in 2026
Updated
20 apps from antivirus software ranked against iolo System Shield on the same published basis.
- 1iolo System Shield vs Bitdefender Total Security
- 2iolo System Shield vs Kaspersky Antivirus
- 3iolo System Shield vs Norton 360
- 4iolo System Shield vs Bitdefender Antivirus Plus
- 5iolo System Shield vs Avast One
- 6iolo System Shield vs Malwarebytes Premium
- 7iolo System Shield vs F-Secure Total
- 8iolo System Shield vs Avira Free Security
- 9iolo System Shield vs Kaspersky Plus Internet Security
- 10iolo System Shield vs Avast Free Antivirus
- 11iolo System Shield vs Avira Free Antivirus
- 12iolo System Shield vs ESET HOME Security
- 13iolo System Shield vs AVG Internet Security
- 14iolo System Shield vs Bitdefender GravityZone Small Business Security
- 15iolo System Shield vs ESET Small Business Security
- 16iolo System Shield vs Microsoft Defender Antivirus
- 17iolo System Shield vs Avira Prime
- 18iolo System Shield vs Comodo Internet Security
- 19iolo System Shield vs Avast Premium Security
- 20iolo System Shield vs Norton AntiVirus Plus
iolo System Shield alternatives compared
| # | App | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | Bitdefender Total Security | 8.9 | No | $5/mo | Android, iOS, Mac, Windows |
| 2 | Kaspersky Antivirus | 8.5 | No | $4.58/mo | Android, iOS, Linux, Mac, Windows |
| 3 | Norton 360 | 8.5 | No | $7.92/mo | Android, iOS, Mac, Windows |
| 4 | Bitdefender Antivirus Plus | 8.5 | No | $2.08/mo | Android, iOS, Mac, Windows |
| 5 | Avast One | 8.4 | No | — | Android, iOS, Mac, Windows |
| 6 | Malwarebytes Premium | 8.4 | No | — | Android, Browser, iOS, Mac, Windows |
| 7 | F-Secure Total | 8.4 | No | $5.83/mo | Android, iOS, Mac, Windows |
| 8 | Avira Free Security | 8.4 | Free plan | Free | Android, iOS, Mac, Windows |
| 9 | Kaspersky Plus Internet Security | 8.3 | No | — | Android, iOS, Linux, Mac, Windows |
| 10 | Avast Free Antivirus | 8.3 | Free plan | Free | Android, iOS, Mac, Windows |
| 11 | Avira Free Antivirus | 8.3 | Free plan | Free | Android, iOS, Mac, Windows |
| 12 | ESET HOME Security | 8.1 | No | — | Android, Mac, Windows |
| 13 | AVG Internet Security | 8.1 | No | $4.99/mo | Android, iOS, Mac, Windows |
| 14 | Bitdefender GravityZone Small Business Security | 8.0 | No | — | Linux, Mac, Windows |
| 15 | ESET Small Business Security | 8.0 | No | — | Android, iOS, Mac, Windows |
| 16 | Microsoft Defender Antivirus | 8.0 | No | — | Windows |
| 17 | Avira Prime | 8.0 | No | $9.17/mo | Android, Browser, iOS, Mac, Windows |
| 18 | Comodo Internet Security | 8.0 | Free plan | — | Windows |
| 19 | Avast Premium Security | 7.9 | No | $6.50/mo | Android, iOS, Mac, Windows |
| 20 | Norton AntiVirus Plus | 7.9 | No | $5/mo | Android, iOS, Mac, Windows |
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Questions about iolo System Shield alternatives
What is the best alternative to iolo System Shield?
Bitdefender Total Security, number 1 in antivirus software with a score of 8.9 out of 10. The others here: Kaspersky Antivirus, Norton 360, Bitdefender Antivirus Plus and 16 more.
What is the best free alternative to iolo System Shield?
Avira Free Security is the best-ranked alternative with a free plan. 4 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes: documentation depth, a free tier and the platforms it runs on.