Browsing through some search results, I found:
https://apps.apple.com/us/app/torproject-snowflake/id1597501940 (https://web.archive.org/web/20220222083316/https://apps.apple.com/us/app/tor...) https://github.com/jayluxferro/snowflake
It looks like a repackaging of the Snowflake JavaScript proxy code for Mac and Safari environments. Maybe we could get in touch with the developer and find a way to adopt it into the main repository?