How to edit subscriptions in Apple iCloud?

so in apple settings if i go to my subscriptions menu and go to active subscription did you know that you can actually add your subscription right in the apple settings app you don't need to go to app itself and change like this so for example i have subscription for text now which is this plan plan lock your number for one year and then i can just easily change my subscription here so i can tap lock my number for one month uh lock my number for one year like my number four months just different options there are here and i can just edit it and change in real time just here or i can just cancel subscription