That was my first thought after reading the OP. By general public rather than select release the app already contained the seeds of its own destruction.
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It's always going to be first come first served, it's more about the convenience of not having to do the leg work of pressing F5 on a website.
Ive been using the telegram notifications from puntr to keep track of my favs..
Simply favourite a few girls and you can opt into getting notifications via telegram when they are rostered on, makes life easy
https://i.imgur.com/yAgn6V7.png