I am a South African Airways Gold Class member, with their heavily curtailed amount of flights I cant earn miles on them anymore to the destinations I used to fly. I now Fly Singapore Airlines to Africa, can I swop from Voyager to Krisflyer and is it beneficial to do so?
You could refer to data on this website.
https://www.statusmatcher.com/company/singapore-airlines
Or also search for “Star Alliance status match” to see any current promotions.