ChefMaker Smart Combi Fryer Air Fryer Cooker vs Crispi 4-in-1 Portable Glass Air Fryer Cooking System: which is safer?

Ninja Crispi 4-in-1 Portable Glass Air Fryer Cooking System is the clear pick. DREO ChefMaker Smart Combi Fryer Air Fryer Cooker carries a failing PFAS grade, and we never recommend buying a failing product.

DREO ChefMaker Smart Combi Fryer Air Fryer Cooker

Dreo

ChefMaker Smart Combi Fryer Air Fryer Cooker

PFAS grade

Bad 15/100

Overall grade

Bad 7/100

Verdict

Skip

Hazard flags

⚑ 2

Material

Nonstick cooking surface (unspecified coating type)

Confidence

35%

PossibleNonstick coating thermal degradation (unspecified Teflon-type coating or alternative)

PossibleCoating degradation and microparticle ingestion

Our pick

Ninja Crispi 4-in-1 Portable Glass Air Fryer Cooking System

Ninja

Crispi 4-in-1 Portable Glass Air Fryer Cooking System

PFAS grade

Excellent 75/100

Overall grade

Good 63/100

Verdict

Buy

Hazard flags

⚑ 3

Material

Glass cooking vessel with stainless steel and plastic components

Confidence

75%

PossibleThermal fracture or stress in glass cooking vessel

PossiblePlastic housing off-gassing (VOCs and formaldehyde)

PossibleElectrical hazard or heating element degradation

Where these two actually differ

  • We flag Nonstick coating thermal degradation (unspecified PTFE or alternative) and Coating degradation and microparticle ingestion on the Dreo 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 Dreo.
  • The Dreo is Nonstick cooking surface (unspecified coating type) 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 Dreo grade, at 35% confidence against 75%, because it discloses less.

Both products run through the same public rubric: materials, coatings, brand disclosure, lab findings, and recalls, plus a beyond-PFAS hazard analysis. Grades are model-based estimates, not lab tests. How grades work →

More air fryers: see the full ranking