The Firefox web browser for iOS (iPhone/iPad) is 100% free to install and use. However it sounds like you may have subscribed to one of Mozilla's premium products that you have not named. * [https://support.mozilla.org/en-US/questions/new/firefox-private-network-vpn/form Mozilla VPN] * [https://support.mozilla.org/en-US/questions/new/relay/form Firefox Relay] * [https://support.mozilla.org/en-US/questions/new/mdn-plus/form MDN Plus] * [https://support.mozilla.org/en-US/questions/new/hubs/form Hubs]