Knowing Qualcomm, there's probably a major royalty cost involved.

If Apple spends $450 million to enable the service [0], that's about $2 per phone sold in 2021 [1].

[0] https://www.cnbc.com/2022/11/10/apple-spending-450-million-w...

[1] https://www.bloomberg.com/news/articles/2022-08-11/apple-exp...