Look for independent heating zones, as they let you cook two dishes at different temperatures without flavor transfer. Capacity matters too; larger baskets (8‑10 qt) are ideal for families, while 6‑qt models suit smaller households. Additional features like Smart Finish or Sync Finish can simplify timing, and dishwasher‑safe components make cleanup easier.

Both use DualZone technology with two independent baskets, but the DZ401 offers a larger 10‑qt capacity and IQ Boost power distribution for faster cooking of big items like a whole chicken. The DZ201 provides 8‑qt space, which is sufficient for most family meals and includes the same 6‑in‑1 functions. The larger model may cost more, but it adds extra room for bigger gatherings.

Max Crisp delivers up to 450 °F and rapid air circulation, giving extra‑crispy results especially for wings and fries with little to no oil. If you frequently cook frozen foods or crave a restaurant‑style crunch, the feature adds noticeable value. However, other models like the Cosori TurboBlaze also reach 450 °F, so the decision may come down to brand preference and basket size.

The Chefman TurboFry Touch Dual Air Fryer provides a generous 9‑qt total capacity, dual baskets, and a Sync Finish function at a competitive price point. It also includes shake reminders to help achieve even crispness without extra effort. Compared to higher‑priced options like the Ninja 10‑qt, it delivers similar cooking flexibility for a lower cost.

A 6‑in‑1 model covers the most common tasks—air fry, roast, bake, broil, reheat, and dehydrate—sufficient for typical home meals. The 9‑in‑1 Cosori adds extra fan speeds and precise temperature control, which can benefit bakers and those who want finer texture control. If you rarely dehydrate or bake, a 6‑in‑1 unit offers better value.

Ceramic coatings, like those on the Cosori model, are non‑stick, heat‑resistant, and free from PTFE/PFOA, reducing the need for oil and making cleaning easier. They also tend to be more durable than standard non‑stick surfaces, extending the appliance’s lifespan. If you prioritize easy cleanup and a healthier cooking surface, a ceramic‑coated basket is a worthwhile feature.

A 4‑qt unit such as the Instant Pot Vortex Plus is ideal for singles, couples, or small families, offering enough space for up to four servings. It saves counter space and is often more affordable. If you regularly cook large batches, wings, or multiple sides, stepping up to a 6‑qt or larger dual‑basket model will provide better flexibility.

Features like automatic shake reminders, digital touchscreens, preset cooking programs, and clear viewing windows simplify operation and improve results. Smart Finish or Sync Finish functions automatically align cooking times for dual baskets, reducing guesswork. Dishwasher‑safe baskets and trays also make cleanup faster, enhancing overall convenience.