Scott Forstall, who led iOS until 2012 and oversaw the creation of the App Store, once said that he installed a new app every day to see what new ideas developers were coming up with. The mass migration of apps to the subscription model has killed this sort of exploration and discovery of new apps. As one example, I recently looked for a flight tracker and many wanted more than $30/yr for a tool that is (to me) an oc…
Adobe were the last to annoy me, previously I am sure I had paid up for a few months and then unsubscribed. Now its a 12 month commitment when you take out a subscription.
Off topic; but if you want a flight tracker, and like to tinker, try feeding flightradar24 (or any of the other), while you feed them you get their full membership. A pi and a usb tv card are all you need to get started!