I also don't think it sounds like a real 303
at some points it is even better sounding than a Xoxbox, but at other points the Xoxbox sounds better...
for the Xox'es you can say the same as for the real 303 - no one sounds complete identical like the other, depending on building parts and so on...
for the BassBot you can say - they all sound complete identical
But both don't sound complete identical to a 303
But the BassBot looks more identical, that's right
But with all of them you can do good acid