Mini oven or air fryer which is better?

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Buying one of these for my friend whose oven is broken at the minute and wondering which is better as temp solution a mini oven or air Fryer?
I've not heard of air fryers until recently but they look quite compact and seem to have good reviews. What do people think is best?

What does she want to male?

I have a mini oven which will hear up ready made lasagnes, chicken kiev etc. Anything pastry is no go though as it just burns the top (unless covered with foil which leaves it soggy). I wouldn’t really make anything from scratch in there. It was only £15 from Aldi though so perhaps more expensive ones are better.

I’ve heard air fryers are very good for doing roast vegetables. Not sure you’d be able to do something like lasagne in it though! Maybe good for sides, but not the mains?

I’ve been without a proper oven for over a year and have coped (just) with a microwave, mini oven, electric hot plate and slow cooker.