it'll stay free on mobile 'cause of ads
it'll never be free on PC unless you:
A. use bluestacks (allowed by the devs 'cause you still get ads).
B. use some pirated version of among us (support the devs you rat).
Viewing post in The upcoming Airship map, consoles, and what's next 🎈 comments
https://innersloth.itch.io/among-us/devlog/198476/fixes-and-a-peek-at-the-new-ma...
They said they should put the ads back soon