If you are using Hotspot Shield VPN to secure your internet session only then the Free version will provide the security you need while running some ads.
If you are using it to access restricted websites and apps in your area, and stream online content on some websites, Premium option adds more features to your Hotspot Shield account such as:
- Ad-free browsing
- Unlimited data bandwidth for streaming
- Access to content from all virtual locations
- Ability to use the same subscription on up to 5 devices
Hotspot Shield's Free Edition provides US IP addresses which allow users to access blocked content in the US only. The content that's accessible with the free version is limited. Hotspot Shield's Free edition is also supported by ads, If you want to have full access to US sites you will need to upgrade to Premium.
To upgrade to Premium a subscription option on the Hotspot Shield main screen.
In case you have a free account, you can try a Premium t for free here.