This is the first toaster oven I've ever used. I do have a smaller air fryer. So I was excited to use this combo oven. I've used it 4 times. Once to toast some bread: this setting worked pretty well to melt the cheese and toast/warm the bread. Ive used the air fryer setting twice: it takes longer to air fry compared to the pot air fryer. I can add more to the tray tho. The last time I used it was to bake some frozen burritos. It started making a funny noise now. I'm not sure why it's being loud now. I will probably discontinue using this thing. My oven and air fryer work more efficiently than this thing and take up less space. 
I have never used one before so maybe I am not as informed as others.