We do not currently have options to pay per month for the PRO EDU Plan.
If you live in the USA you can select Affirm or PayPal at checkout and use their financing programs, if eligible, to pay for any individual tutorial purchase at PROEDU.com
At the moment we have options to finance any purchase from PRO EDU through Affirm or PayPal if you are A.) Residing in the USA and have credit and B.) Are approved through Affirm or PayPal during the checkout process. You can watch a video on the process here: Finance A Tutorial At RGG EDU
At the moment we do not offer any subscription service to have access to any or all tutorials.