When it comes to mobile VPNs, there's no simple answer. While many free options may seem appealing, they often come with hidden costs - including data collection and potential security risks. In reality, a good VPN requires significant computing resources and infrastructure support. If you're not paying for this infrastructure, who is? It's likely advertisers or data miners. As such, we recommend avoiding free VPN services that sound too good to be true.
Source: https://www.zdnet.com/article/best-mobile-vpn/#ftag=RSSbaffb68