iolo System Shield
The facts below are what the maker publishes about iolo System Shield, checked and dated. Our editors have not written about it yet.
Plans and prices
From iolo System Shield's own pricing page, checked 12 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| System Shield | $35.95 a year | For use on all your home PCs · Windows 11, 10, 8.1, 8, 7 · 30-day money-back guarantee · One year of included updates; renewal is required to continue access to features that need ongoing iolo updates. |
The facts
Each one read from iolo System Shield's own pages, with the date it was checked.
What it does
- Antispyware
- The product says it removes spyware, adware, keyloggers, and other privacy-compromising parasites.checked 12 Oct 2026
- License scope
- The product page says System Shield is for use on all your home PCs.checked 12 Oct 2026
- Protection scope
- antiviruschecked 24 Sep 2026
- Purpose
- System Shield provides antivirus and antispyware protection for PCs.checked 12 Oct 2026
- Real-time protection
- HyperScan is described as nullifying external attacks in real time, while Sentient Technology uses AI heuristics to identify malicious behavior and unclassified threats.checked 12 Oct 2026
- Related product inclusion
- iolo’s activation article says System Shield is included with System Mechanic Ultimate Defense.checked 12 Oct 2026
- Requirements
- The download page lists Windows 11, 10, 8.1, 8, or 7, at least 512 MB RAM, 60 MB disk space, Internet Explorer 9 or later, and an internet connection for license activation.checked 12 Oct 2026
- Support
- The product page advertises free product support, and iolo’s support page lists live technical support as available 24/7.checked 12 Oct 2026
- System impact
- iolo describes protection as using near-zero resources and says the streamlined virus definitions process minimizes system impact.checked 12 Oct 2026
- Threat coverage
- iolo says it blocks viruses, malware, Trojans, rootkits, bots, and other dangerous programs.checked 12 Oct 2026
- Updates and renewal
- One year of included updates is stated; ongoing updates for certain features require renewal after that period.checked 12 Oct 2026
The company
- Company
- iolo says it is part of RealDefense LLC and is headquartered in Los Angeles, California.checked 12 Oct 2026
Money
- Free plan
- Nochecked 24 Sep 2026
- Trial
- The download page offers a System Shield trial with real-time antivirus protection, but does not state its duration.checked 12 Oct 2026
Where it runs
- Supported platforms
- Windowschecked 24 Sep 2026
Alternatives to iolo System Shield
- 1
Avast One
Free planAndroidiOSExtensionmacOS8.9Free plan - 2
FortiClient
Free planAndroidiOSLinuxmacOS8.6Free plan - 3
Comodo Internet Security
AndroidiOSExtensionWindows8.6 - 4
Kaspersky Antivirus
AndroidiOSWebAPI8.4From $38.99 a year - 5
F-Secure Internet Security
AndroidiOSWebAPI8.4 - 6
PC Matic
AndroidiOSWebAPI8.4From $30 a year