Signing up - Money VS Device (Patreon)

Hey all I noticed some of you are being required to pay more than others. Looking at my analytics, if you sign up ON AN IOS PHONE OR TABLET - Patreon charges you almost $5 more per month. If you have the option, sign up on another device like a desktop. You shouldn’t have to spend more because Apple is being greedy 🙄🙄🙄