Question about Ninja OL750EU Foodi MAX 14-in-1 Multicooker

So what are the key differences really?
The 15-in-1 and 14-in-1 are more suitable for larger families whereas the 11-in-1 would be ideal for a smaller family. The 15-in-1 comes with the digital cooking probe and offers the 'steam roast' cooking function, that is the main difference between this model and the 14-in-1.

The UK model also has a steam roast function, which is the fifteenth function. And don't forget the electrical socket, which for the UK model is