Also worth noting, distribution on third party App Store does not exempt developers from the developer program fee — Developers must sign a separate agreement to opt into the new business terms.
So, not only they are still responsible for the $99/yr fee, they’d need to sign a new agreement to opt into the new business terms, which has a separate additional fee schedule attached.
https://developer.apple.com/support/core-technology-fee
Also worth noting, distribution on third party App Store does not exempt developers from the developer program fee — Developers must sign a separate agreement to opt into the new business terms.
So, not only they are still responsible for the $99/yr fee, they’d need to sign a new agreement to opt into the new business terms, which has a separate additional fee schedule attached.