Where The Wheel Out Demo Fits Before Real Money

The demo is the same game on virtual credits: same Wheel Out demo, same multiplier behaviour, same pace. It exists to judge whether the rhythm suits you, at no risk.
One habit worth keeping is to play the demo at the stake you would actually use, not at the maximum. Fun mode with unrealistic bets teaches nothing useful.
Switching to real money changes one thing in the interface and everything in consequence: the stake comes out of a real balance.