I can second Promethease. It’s what I did with the raw data.
Yeah, I mean. Their ancestry summary, that could very well be. With the raw data in hand, near as I can tell, it’s the volume of data it should be for the ~1% of DNA that is unique to humans.
But as to different results with different services, my brother came back with 23% Native American. Me, basically all European (1% European Jewish, and less than 1% Middle Eastern).