One popular choice free vpn for iphone is Windscribe VPN. It offers a generous 10GB of data per month for free users, making it ideal for light to moderate usage. It has a user-friendly interface and supports a wide range of server locations, allowing you to access geo-restricted content. Another reliable option is ProtonVPN, which has a free plan that offers unlimited data. It is known for its strong commitment to privacy and security, as it is developed by the same team behind the well-respected ProtonMail service.