Ninja Foodi MAX Dual Zone AF400UK vs Ninja Double Stack XL
Narrow counter? Get the Double Stack XL. Same 9.5 litres in half the width. The AF400 is the better pick if you roast whole chickens and have the space.
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Which one is for you?
MAX Dual Zone 9.5L
Width to spare, low cupboards, whole chickens? Then it's the AF400.
Is the Ninja Foodi MAX Dual Zone AF400UK worth it?Double Stack XL
Get the Double Stack if this sounds like you: short on width, and you want the newer design.
Is the Ninja Double Stack XL worth it?Key differences
Capacity
Counter width
Height
Whole chicken
What owners say
Verified buyers only; every 1–3 star review read by us. How we do this
MAX Dual Zone 9.5L
Owners love how easy it is and how much fits in it: a family meal or a whole chicken. The unhappy few had food burn or cook unevenly, or found it no better than their oven.
- Easy to use
- Cooks food well
- Plenty of room for a family
- Burns, undercooks or cooks unevenly
Double Stack XL
Most owners love the space it saves and how easy it is. The main complaint is uneven cooking from front to back.
- Saves worktop space
- Easy to use
- Cooks well and quickly
- Food at the front of the drawer cooks faster than at the back, so it comes out unevenly done
- Takes longer to cook than expected, or than their previous air fryer
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How we reached this verdict
We compared independent expert reviews with the manufacturer's specifications, then checked it's sold at a major retailer where you live. We don't test products ourselves.
Sources: TechRadar, Tom's Guide, Trusted Reviews, manufacturer specifications.
Owner reports for the MAX Dual Zone 9.5L: 5,625 verified buyer ratings at Currys, read November 2026.
Owner reports for the Double Stack XL: 1,530 verified buyer ratings at Currys and Otto (Germany), read October 2026.