Joule Oven Air Fryer Pro vs Crispi 4-in-1 Portable Glass Air Fryer Cooking System: which is safer?

Where these two actually differ

• We flag Non-stick coating composition (unknown type), PTFE degradation and fume risk (conditional) and Coating wear and microparticle shedding on the Breville and not on the Ninja.
• We flag Thermal fracture or stress in glass cooking vessel, Plastic housing off-gassing (VOCs and formaldehyde) and Electrical hazard or heating element degradation on the Ninja and not on the Breville.
• The Breville is Stainless steel body; interior cooking surfaces unspecified where the Ninja is Glass cooking vessel with stainless steel and plastic components, which is most of the difference in these two grades.
• The gap is 60 points, wide enough that this is not a close call, and the Ninja is the one to buy.
• We are less certain about the Breville grade, at 45% confidence against 75%, because it discloses less.