vpn pptp l2tp

Hello All, I decided recently to set up my own VPN for privacy reason. I found out two options: Open VPN on a Digital Ocean : https://anonymster.com/setup-openvpn-server-digitalocean/ Monthly cost will be 5 usd with DO. L2TP on Linode ...

Given that iOS has removed support for PPTP due to security issues, are there any plans, or is it even possible to change the current software to L2TP? I'm currently running the RT-N66. I use it to VPN and it also routes my web servers.