Subscriptions purchased through the iOS apps are made directly with Apple. If you purchase AMBOSS access via the app store, you will have unlimited access to the desktop version of AMBOSS as well.
Since subscriptions purchased through the iOS apps are made directly with Apple, we aren't able to cancel your subscription or refund your purchase. That said, there are steps you can take to do this through Apple Support directly. Please follow the instructions below to do so:
To cancel your current iOS subscription and avoid being charged again, you can follow the steps outlined here on the Apple website.
Once you have canceled your subscription, you can request a refund by contacting Apple Support directly here.