Kind of, same kind of flavour, not quite as fluffy though. But I think that's because I put a little too much water in mine today, didn't set as well. And probably could have done with blending it for longer. Is best for 2-3 minutes I think.
I don't remember life before mixamousse. I still have a vanilla mixamousse some evenings even though I've been maintaining for a few months, occasionally a strawberry or chocolate one too. The packs are also good mixed with yoghurt or in maintenance make a mean thick shake.