The IOS system provides a high level of protection for iPhone users, but this level cannot be completely relied upon to secure the Internet connection, so VPN applications for iPhone are the most important means by which you can secure your Internet connection and protect your connection data from hackers. In this article, we try to help you identify the best free VPN for iPhone by presenting the most important applications in this category, with an explanation of the advantages and disadvantages of each application separately. In a previous article, we explained in  detail what vpn is and…