Best All in One Cooking Appliance: Top 7 Picks for 2026

Counter space disappears fast. A rice cooker, a slow cooker, an air fryer, and a toaster oven can fill a small kitchen before you’ve even cooked dinner. That’s why more shoppers now look for the best all in one cooking appliance instead of four or five single-job machines.

The trouble is that “all in one” means different things. Some models steam and air fry. Others pressure cook and crisp in the same pot. A few add a grill plate, a second basket, or a rotisserie spit.

Each type has trade-offs. A pressure cooker combo handles stews and beans well, but it’s heavy. A two-basket air fryer is great for a main and a side, but it can’t make rice. Pick wrong, and you’ll own a bulky box that rarely leaves the cabinet.

This guide compares seven models from Ninja, Instant Pot, Nuwave, and Chefman. We ranked them with our own criteria, using listed specs, cooking methods, size, cleaning, and capacity. You’ll see who each one fits and who should skip it. You’ll also get a buying guide, common mistakes, FAQs, and a final verdict, so you can choose the all in one air fryer or multicooker that suits your kitchen.

What Is an All-in-One Cooking Appliance?

An all-in-one cooking appliance is a countertop machine that does the work of several kitchen tools. Most use a heating element and a fan, just like an air fryer. Many add a sealed lid for pressure cooking. Others add steam, a grill plate, or a rotisserie.

This guide covers three main types:

• Air fryer pressure cooker combos: The two Instant Pots and the Nuwave pressure cook and air fry in one pot.
• Steam and oven hybrids: The Ninja Combi works like a small oven with steam added.
• Air-fryer-first machines: The Ninja DualZone, the Ninja grill, and the Chefman focus on hot air.

Bodies are mostly stainless steel, metal, or plastic. Cooking parts are stainless or nonstick. These machines suit small households, busy families, and anyone who wants fewer gadgets on the counter.

Why These Products Made Our List

We picked these seven to cover the main kinds of all-in-one cooking. Each one does more than crisp food, or does crisping in a different way from the rest.

We compared listed specifications, materials, design, cooking methods, accessories, size, weight, cleaning, and practical value. We matched every detail to the exact model named in its listing. If a detail conflicted or couldn’t be confirmed, we left it out or flagged it.

Our analysis rests on those listed details and on how the designs compare. When a claim comes from the maker, we say so. We ranked the seven with our own criteria, which you’ll find in the evaluation section below.

Quick List: Top 7

1. Ninja Combi 14-in-1 Multicooker (SFP701)
2. Instant Pot Duo Crisp Ultimate 6.5 Qt 13-in-1
3. Instant Pot Duo Crisp 8 Qt 11-in-1
4. Nuwave Duet Deluxe 6 Qt Air Fryer and Pressure Cooker
5. Ninja Foodi DualZone 10 Qt Air Fryer (DZ550)
6. Ninja Foodi Smart XL Indoor Grill and Air Fryer (FG551)
7. Chefman 14 Qt Multifunctional Air Fryer Oven

Jump to the full review below.

Comparison Table

At a Glance

Best Overall: Ninja Combi SFP701

Best for Large Households: Instant Pot Duo Crisp 8 Qt

Best for Pressure Cooking With One Lid: Instant Pot Duo Crisp Ultimate 6.5 Qt

Best for Two Foods at Once: Ninja Foodi DualZone DZ550

Best for Indoor Grilling: Ninja Foodi Smart XL FG551

Best for Small Spaces: Chefman 14 Qt Air Fryer Oven

We skipped “best value” and “best budget” labels because we haven’t verified current prices. Check each price before you buy.

Key Features to Compare

These seven machines look alike on a shelf. Their specs aren’t alike.

Here’s what to compare as you read:

• Cooking methods: pressure, steam, grill, rotisserie, or hot air only.
• Capacity: how many people it feeds, and whether the space is one pot or two baskets.
• Footprint and height: whether it fits your counter and under your cabinets.
• Controls and extras: thermometers, presets, racks, and trays.
• Cleaning: which parts are listed as dishwasher safe.
• Warranty: stated in some listings, not in others.

Top 7 Product Reviews

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Ninja Combi 14-in-1 Multicooker (SFP701): Steam and Crisp in One Pan

The Ninja Combi pairs steam with air frying in one compact oven, so a whole meal can cook together without juggling separate machines.

Overview

This stainless steel countertop unit works as a multicooker, air fryer, and toaster oven. It’s built to cook protein, vegetables, and rice or pasta together in one Combi Cooker Pan. It suits cooks who want one machine to replace several.

Key Features

• Functions: Lists 14 modes, including Combi Meals, Combi Crisp, Steam, Air Fry, Bake, Toast, Pizza, Slow Cook, Sous Vide, Proof, and Rice/Pasta.
• Power and controls: 1760 watts with knob controls.
• Size: 14.92″ D x 15.43″ W x 13.11″ H, and 20.2 pounds.
• Body: Stainless steel with a dropdown door.
• Included: Combi Cooker Pan, bake tray, crisper tray, and a recipe book with 20 recipes.
• Cleaning: Ninja lists the pan as nonstick and the accessories as dishwasher safe.
• Maker’s size claims: Ninja says it fits a 6-lb chicken, a 10-inch pizza, or 4 cups of dry rice.

What Makes It Different?

No other model here uses steam as a main cooking method. The Instant Pots and the Nuwave use pressure. The rest rely on hot air. Steam plus air fry is meant to cook the inside and crisp the outside in one cycle.

It also acts more like a small oven than a pot. The dropdown door and bake tray put it closer to an air fryer toaster oven than the pressure combos. That matters if you bake, toast, or reheat often.

Ninja says it can cook frozen food without thawing. That’s a maker claim, so treat it as a listed feature and not a proven result.

Performance Analysis

Going by the listed specs, the Combi suits mixed meals. Combi modes use steam and air together, while Bake, Toast, and Pizza cover regular oven jobs. The 6-lb chicken and 10-inch pizza sizes point to a real small oven, not a mini gadget. At 20.2 pounds, it’s lighter than both Instant Pots in this guide. Knob controls keep things simple, though you won’t get a touchscreen.

Pros

• Steam and air fry work together in one machine.
• Doubles as a countertop oven for baking, toast, and pizza.
• Wide function list, including slow cook, sous vide, and proof.
• Accessories are listed as dishwasher safe.

Cons

• It doesn’t list pressure cooking, so stews and beans take the slow route.
• The listing gives no quart capacity, which makes size comparisons harder.
• Warranty details aren’t stated. You have to request them from customer service.

Best For

Households of one to eight people, based on Ninja’s serving claim. It’s a good fit if you want to retire a toaster oven, rice cooker, and slow cooker at the same time.

Who Should Skip It?

Skip it if pressure cooking is a must. An Instant Pot is the better match. Also skip it if you want two separate cooking zones, since the DualZone handles that.

Why It Ranks #1

It has the widest mix of cooking methods in this group. It’s also the only steam-and-oven hybrid, and it’s lighter than the pressure combos. Against the Instant Pot Ultimate at #2, it gives up pressure cooking but gains oven-style flexibility. The missing quart figure and warranty detail keep us from calling it perfect.

Bottom Line

This is the most flexible pick for everyday cooking if you don’t need pressure. It’s a strong answer for anyone shopping for the best all in one cooking appliance with an oven feel.

Instant Pot Duo Crisp Ultimate 6.5 Qt (13-in-1): Pressure and Crisp, One Lid

The Instant Pot Duo Crisp Ultimate switches between pressure cooking and air frying with a single lid, so you don’t need to swap parts.

Overview

This 6.5-quart stainless steel cooker lists 13 functions. It pressure cooks, air fries, slow cooks, steams, bakes, and more. It’s a fit for small and mid-size households that want one pot for soups and crispy finishes.

Key Features

• Functions: Pressure cook, air fry, slow cook, steam, sauté, roast, bake, broil, dehydrate, sous vide, yogurt, proof bread, and keep warm.
• Capacity: 6.5 quarts, serving up to 6 per the listing.
• Power and controls: 1500 watts with touch controls.
• Size: 15.4″ D x 15.5″ W x 13.4″ H, and 23.3 pounds.
• Safety: Instant Pot lists 11+ safety features, UL and ULC listing, and an “OK to Open Lid” message.
• Cleaning: The pressure cooking cover, air frying rack, and pot are listed as dishwasher safe.
• Warranty: One-year limited warranty.

What Makes It Different?

The listing says one lid handles both pressure cooking and air frying. That’s different from the 8-quart Instant Pot, which uses two lids. A pressure cooking cover is also listed in the box.

It’s also the only model here that lists yogurt making. Sous vide and proofing appear on the Combi too, but the Combi has no pressure mode.

Venting starts from the control panel. That’s a small convenience when you’re releasing steam from a full pot.

Performance Analysis

On paper, this is a true two-in-one. You can pressure cook a stew, then use the air fry function for a crisp top. Instant Pot says it cooks up to 70% faster than slow cooking methods. That’s a maker claim, so check your own recipes. The listing doesn’t give an air fry temperature range, so confirm that detail in the manual. At 23.3 pounds, it’s the heaviest unit here.

Pros

• Pressure cooking and air frying share one lid.
• Longest function list after the Ninja Combi.
• One-year limited warranty is stated.
• Several parts are listed as dishwasher safe.

Cons

• It’s the heaviest model in this guide.
• At 6.5 quarts, it’s smaller than the 8-quart Instant Pot.
• The air fry temperature range isn’t listed.

Best For

Small to mid-size households that want a classic electric pressure cooker with air frying added. It also suits cooks who like yogurt, sous vide, or proofing dough.

Who Should Skip It?

Skip it if you move your appliance often, because of the weight. Also skip it if you cook for a large group, since the 8-quart model offers more room.

Why It Ranks #2

It combines pressure cooking, air frying, and a long function list, plus a stated warranty. It ranks below the Combi because the Combi works as an oven too and weighs less. It ranks above the 8-quart model because it lists more functions and a one-lid design.

Bottom Line

If you want a pressure cooker first and an air fryer second, this is the cleanest fit. It’s a strong air fryer pressure cooker combo for everyday family meals.

Instant Pot Duo Crisp 8 Qt (11-in-1): Big Pot for Big Batches

The Instant Pot Duo Crisp 8 Qt gives larger families a big pressure cooker pot, plus a separate air fryer lid for crisp finishes.

Overview

This stainless steel unit lists 11 functions and an 8-quart pot. It’s built for batch cooking, meal prep, and family dinners. It uses one lid for pressure cooking and another for air frying.

Key Features

• Functions: Air fry, roast, bake, dehydrate, pressure cook, slow cook, sauté, steam, sterilize, warm, and rice.
• Capacity: 8 quarts, serving up to 8 per the listing.
• Air fry range: 70°F to 450°F.
• Pot: 18/8 stainless steel with a tri-ply bottom and silicone handles. The listing calls it stovetop and oven friendly.
• Size: 13.58″ D x 14.76″ W x 15.28″ H, and 22.2 pounds.
• Included: Air fryer lid, pressure cooker lid, air fryer basket and base, steam rack, broil and dehydrator tray, protective pad, and storage cover.
• Extras: 1500 watts, UL and ULC listing, 10+ safety mechanisms, and an app with 800+ recipes.

What Makes It Different?

It has the biggest pressure cooker pot in this group. That helps with soups, roasts, and big batches of rice or beans.

It also uses two separate lids. That’s the main trade-off against the Ultimate model, which uses one. Two lids mean more to store.

The tri-ply pot is another standout. If the listing is right, you can sauté or sear on a stovetop with it, not just inside the machine.

Performance Analysis

Based on the specs, this model is built for volume. The 8-quart pot and 450°F air fry limit give it room and heat. The listed accessories, including a dehydrator tray and steam rack, cover most tasks. The app adds recipe ideas. It’s also the tallest unit here at 15.28 inches, so measure your cabinet gap first.

Pros

• 8-quart pot suits batch cooking.
• Air fry range reaches 450°F.
• Stainless pot is listed as stovetop and oven friendly.
• Many accessories are listed in the package.

Cons

• Two lids need storage space.
• It’s the tallest unit in the group.
• It lists fewer functions than the Ultimate, with no sous vide, yogurt, or proof mode.

Best For

Large households, meal preppers, and anyone who cooks big batches. Pick it if you want a classic electric pressure cooker with an air fryer lid.

Who Should Skip It?

Skip it if you have low cabinets or tight counter space. Also skip it if you want a single-lid design.

Why It Ranks #3

Capacity and the oven-friendly pot set it apart. It falls behind the Ultimate on function count and lid design. It sits above the Nuwave because it lists more verified details and a bigger pot. It would suit a large family better than any model above it.

Bottom Line

It’s the pick for big batches. If you feed six to eight people, the extra room matters more than the extra lid. Fans of the electric pressure cooker style will feel at home here.

Nuwave Duet Deluxe 6 Qt: Pressure, Air Fry, and Memory Slots

The Nuwave Duet Deluxe pairs a pressure cooker with an air fryer lid, then adds a long list of presets and memory slots.

Overview

This 6-quart stainless steel multicooker has two lids listed in its components: one for pressure cooking and one for air frying. It’s aimed at cooks who like saved programs and a sturdy, uncoated pot.

Key Features

• Functions: Pressure cook, air fry, slow cook, sauté, grill, and more.
• Presets: 300 presets and 150 memory slots.
• Combo Cook: Starts with pressure cooking, then finishes with air frying.
• Pot: 18/10 stainless steel, listed as non-coated.
• Power and range: 1500 watts, 80°F to 400°F, and 80 kPa max pressure.
• Size: 14.75″ D x 12.75″ W x 13.5″ H, and 21.2 pounds.
• Included: Pot, air fryer lid, pressure cooker lid, reversible rack, and stainless air fry basket.

What Makes It Different?

Memory slots set it apart. You can save your own programs, which none of the other models list. If you repeat the same recipes, that’s useful.

Combo Cook is the second standout. The pressure step and the air fry step run as one program. Instant Pot models let you do both too, but Nuwave builds the sequence into a feature.

The pot has no coating. Some buyers prefer that. Others like the easy release of nonstick, which this pot doesn’t claim.

Performance Analysis

Based on the specs, this machine suits cooks who like to tweak settings. It has a five-stage cooking option and a 2-in-1 dial control. The 80 kPa pressure listing and the 1500-watt power match the Instant Pots in power. The title mentions three lids, but the component list names two. Confirm what’s in the box before you buy.

Pros

• 300 presets and 150 memory slots.
• Combo Cook automates pressure then air fry.
• Uncoated stainless pot.
• Smaller footprint than both Instant Pots.

Cons

• Maximum temperature is 400°F, lower than the Ninja and 8-quart Instant Pot models.
• Warranty isn’t stated. You have to request it from customer service.
• Listing details conflict on lid count.

Best For

Programmable cooks who want pressure cooking and air frying with saved settings. It also suits small kitchens, since its width is only 12.75 inches.

Who Should Skip It?

Skip it if you want clear, stated warranty terms. Also skip it if you need a bigger pot than 6 quarts.

Why It Ranks #4

It matches the Instant Pots on breadth and beats them on size. It ranks lower because its listing has more gaps and conflicts, and the warranty isn’t stated. It ranks above the DualZone because it can pressure cook and slow cook.

Bottom Line

A smart pick for tinkerers. Just check the box contents and warranty before you commit. We left out its large marketing percentages, because those aren’t specs.

Ninja Foodi DualZone 10 Qt Air Fryer (DZ550): Two Baskets, One Finish Time

The Ninja Foodi DualZone gives you two 5-quart baskets, so you can cook a main and a side at once with matching finish times.

Overview

This black air fryer lists six programs and a built-in thermometer probe. It’s built for cooking two foods together, or one big batch across both baskets. It’s best for families who cook fast, crisp dinners.

Key Features

• Programs: Air fry, air broil, roast, bake, reheat, and dehydrate.
• Capacity: 10 quarts total, in two 5-quart baskets.
• Smart modes: Smart Finish and Match Cook.
• Thermometer: The Foodi Smart Thermometer is included.
• Power and heat: 1690 watts, up to 450°F.
• Size: 17.1″ D x 13.9″ W x 12.8″ H, and 19.8 pounds.
• Cleaning and warranty: Crisper plates are listed as dishwasher safe. One-year limited warranty.

What Makes It Different?

Two independent baskets are the headline. Smart Finish times two foods so they end together. Match Cook copies the settings across both zones when you want one big batch.

It’s also the only air fryer here with a thermometer built into the cooking system and two zones. The FG551 has a thermometer too, but only one cooking space.

The nonstick surface is described in the listing as PFAS free. We pass that along as the maker’s description.

Performance Analysis

Based on the specs, this unit is about speed and flexibility with hot air. Two baskets cut the back-to-back cooking you’d do in a single-basket model. Ninja says it cooks up to 30% faster than a traditional oven, which is a maker claim. With 450°F as the top heat, it handles roasting and crisping well. It has no steam, pressure, or slow cook modes.

Pros

• Two baskets for two foods at once.
• Included thermometer for doneness checks.
• Lightest of the Ninja models here.
• Stated one-year limited warranty.

Cons

• Dry heat only. The listed programs don’t include steam, pressure, or slow cooking.
• It’s 17.1 inches deep, so it needs counter room.
• Each basket holds 5 quarts, not 10.

Best For

Busy families who want a main and a side done together. It’s also a good fit for cooks who mostly crisp, roast, and reheat.

Who Should Skip It?

Skip it if you want soups, rice, or stews. A pressure combo or the Combi is a better match.

Why It Ranks #5

It’s excellent at one job, but it has fewer cooking methods than the four models above it. It ranks above the FG551 because it holds more food and lists a stated warranty with a thermometer included.

Bottom Line

If you want the best all in one air fryer for cooking two foods at once, this is the one to look at. Just remember it’s an air fryer first.

Ninja Foodi Smart XL Indoor Grill and Air Fryer (FG551): Indoor Grilling With a Thermometer

The Ninja Foodi Smart XL adds a 500°F grill grate to air frying, giving you indoor searing without an outdoor grill.

Overview

This stainless steel countertop grill lists six functions: grill, air crisp, roast, bake, broil, and dehydrate. A built-in thermometer helps with doneness. It’s made for indoor grilling in apartments and small homes.

Key Features

• Functions: Grill, air crisp, roast, bake, broil, and dehydrate.
• Grill space: A 9″ x 12″ grill grate, which Ninja says fits up to 6 steaks or 24 hot dogs.
• Thermometer: 4 protein presets and 9 doneness levels.
• Heat: Up to 500°F, with 1760 watts.
• Size: 18.74″ D x 17.95″ W x 14.45″ H, and 22.4 pounds.
• Cooking parts: A 4-quart pot and 4-quart crisper basket with a ceramic nonstick coating, listed as PTFE/PFOA-free.
• Warranty: One-year limited warranty.

What Makes It Different?

It’s the only grill in the group. The grate gives sear marks that a basket can’t. The 500°F top heat is also the highest in this guide.

The thermometer is the second standout. The preset system covers four proteins and nine doneness levels, from rare to well done.

It’s also the biggest unit by footprint. That’s the price of a grill grate.

Performance Analysis

On paper, this is a steak-and-burger machine that also air fries. The grate size suits a family cookout indoors. The high heat helps with searing. The thermometer reduces guesswork. The 4-quart pot and basket are smaller than the DualZone baskets, so large batches of fries or wings may take more rounds.

Pros

• Grill grate for sear marks.
• 500°F maximum heat.
• Thermometer with protein presets.
• Stated one-year limited warranty.

Cons

• Largest footprint in the group.
• The 4-quart basket is small for big air fryer batches.
• No pressure, steam, or slow cook modes.

Best For

Apartment cooks who miss grilling. It also suits anyone who eats a lot of steak, burgers, or chicken and wants doneness help.

Who Should Skip It?

Skip it if counter space is tight. Also skip it if you want a machine for soups or rice, since this one is all dry heat.

Why It Ranks #6

It does one thing no other model here does, which is grill. But the grill focus makes it narrower, and its footprint is the largest. It ranks below the DualZone because it holds less and offers less cooking flexibility overall.

Bottom Line

A strong choice if grilling is the point. For everyone else, one of the higher-ranked models does more. Shoppers eyeing an indoor grill will want to weigh the footprint carefully.

Chefman 14 Qt Multifunctional Air Fryer Oven: Rotisserie and a Compact Footprint

The Chefman 14 Qt is an oven-style air fryer with a rotisserie spit, three rack positions, and a windowed door.

Overview

This metal and plastic air fryer oven lists a 14-quart interior and touch controls. It air fries, bakes, broils, reheats, and dehydrates. It also has a rotisserie spit, which the other models here don’t list.

Key Features

• Functions: Air fry, bake, broil, reheat, and dehydrate, plus rotisserie.
• Capacity: 14 quarts with three rack positions.
• Power and range: 1700 watts, 90°F to 400°F.
• Size: 13.2″ D x 13.9″ W x 14.5″ H, and 13.2 pounds.
• Included: Three wire racks, drip tray or baking pan, rotisserie spit, and fetch tool.
• Design: Windowed door and touch controls.
• Cleaning: The racks are listed as top-rack dishwasher safe.

What Makes It Different?

It’s the only model with a rotisserie spit. That suits whole chickens and similar roasts.

It’s also the lightest unit at 13.2 pounds, with the smallest footprint in the group. That makes it easy to move and easy to store.

The windowed door lets you watch food while it cooks. None of the other listings mention a window.

Performance Analysis

Based on the specs, this is an air fryer toaster oven with a spit. The three racks let you cook on several levels. The 14-quart interior is the largest cavity in this guide. The 400°F maximum is lower than the Ninja and 8-quart Instant Pot models, so heavy searing may be limited. There’s no pressure, steam, or thermometer.

Pros

• Rotisserie spit and fetch tool included.
• Smallest footprint and lightest weight in the guide.
• Windowed door for watching food.
• Racks listed as dishwasher safe.

Cons

• Maximum heat is 400°F.
• Fewer cooking methods than the higher-ranked models.
• Warranty isn’t stated. You have to request it from customer service.

Best For

Small kitchens and cooks who roast chicken or make shawarma-style meals. It’s also a fit for anyone who wants an air fryer toaster oven without the weight of a pressure cooker.

Who Should Skip It?

Skip it if you want pressure cooking, steam, or a thermometer. Also skip it if you want the highest heat for searing.

Why It Ranks #7

It has the fewest cooking methods and the lowest top temperature here. It also lacks a stated warranty. But the rotisserie spit and light, compact body make it a clear winner for one kind of buyer.

Bottom Line

It’s not the broadest option, but it’s a simple, roomy oven with a rotisserie. Choose it for the spit and the small footprint, not for variety.

How These Products Compare

Here’s who wins each category, and why.

• Most cooking methods: Ninja Combi. It lists 14 modes, including steam, bake, toast, and slow cook.
• Best for pressure cooking: Instant Pot Duo Crisp Ultimate. It lists pressure cooking, air frying, and a single-lid design.
• Biggest pressure pot: Instant Pot Duo Crisp 8 Qt, at 8 quarts.
• Best for saved settings: Nuwave Duet Deluxe, with 150 memory slots.
• Best for two foods at once: Ninja DualZone DZ550, with two independent baskets.
• Best for grilling: Ninja FG551, the only grill grate here.
• Smallest and lightest: Chefman 14 Qt, at 13.2 pounds.
• Best for rotisserie: Chefman 14 Qt, the only spit.

A few head-to-head matchups help.

Ninja Combi vs Instant Pot Ultimate: Pick the Combi if you bake, toast, and want steam. Pick the Instant Pot if you want pressure cooking. The Combi is also 3.1 pounds lighter.

Instant Pot Ultimate vs Instant Pot 8 Qt: The Ultimate has more functions and a single lid. The 8 Qt has more room, a higher air fry limit, and a stovetop-friendly pot.

Ninja DualZone vs Ninja FG551: The DualZone holds more and splits into two zones. The FG551 grills and reaches a higher 500°F, but it takes up much more counter.

Nuwave vs Instant Pot: The Nuwave is smaller and has memory slots. The Instant Pots list more stated details, and the 8 Qt has a higher heat limit.

How We Evaluated These Products

We built our ranking from listed product details, not guesses. For each machine, we looked at six things.

First, cooking methods. We asked how many ways it cooks and whether those ways add something new. Second, capacity and serving size. Third, size, weight, and height, because these machines take real counter space. Fourth, controls and extras, such as thermometers, presets, racks, and trays. Fifth, cleaning, based on which parts are listed as dishwasher safe. Sixth, safety listings and warranty, but only when a listing states them.

We matched every spec to its exact model number. When two parts of a listing disagreed, we left that detail out or pointed it out. Marketing percentages, such as “faster” claims, aren’t proof. They appear only when we credit the maker.

Last, we asked who each product really suits. A machine ranks higher when its strengths match more kinds of kitchens.

How to Choose the Best All in One Cooking Appliance

Start with how you cook, not with the function count. A machine with 14 modes isn’t better if you’ll only use three.

Pick the main cooking method first:

• Pressure cooking: Choose an Instant Pot or the Nuwave if you cook stews, beans, or tougher cuts. These machines are heavier.
• Steam and oven cooking: Choose the Ninja Combi if you bake, toast, or reheat often and want steam in the mix.
• Hot air only: Choose a Ninja air fryer or the Chefman if crisp food is your main goal. If you only want crisping, a glass air fryer may also fit.

Next, check capacity. A bigger pot feeds more people but takes more room. The 8-quart Instant Pot serves up to 8 per its listing, while the 6.5-quart model serves up to 6. The DualZone splits 10 quarts into two baskets. That helps with two foods, but each basket tops out at 5 quarts.

Then measure your space. The 8-quart Instant Pot is 15.28 inches tall. The Ninja FG551 is 18.74 inches deep. Weight matters if you move the machine often. The Chefman weighs 13.2 pounds, while the Instant Pot Ultimate weighs 23.3 pounds.

Look at cleaning. Dishwasher-safe parts save time, but listings differ on which parts qualify. Check the exact parts before you buy.

Think about extras. A thermometer helps with steaks and chicken. Presets help if you like push-button cooking. A rotisserie spit only matters if you’ll use it.

Finally, check the warranty and exact model number. Some listings here state a one-year limited warranty. Others tell you to contact customer service.

The best all in one cooking appliance is the one whose main mode matches the meals you actually cook. Bigger isn’t always better. More functions don’t always mean more use.

Benefits of an All-in-One Cooking Appliance

• Fewer gadgets crowd your counter and cabinets.
• More cooking methods sit in one place, depending on the model.
• Weeknight meals can go faster when one machine combines steps, such as pressure then air fry.
• Larger pots and two-basket designs make meal prep easier.
• Fewer pots and pans to wash when one pot handles several steps.
• A single unit works well in small kitchens, apartments, and dorms.
• Batch cooking and reheating leftovers become simpler.
• You get good value when the features match what you actually cook.

Common Mistakes to Avoid

• Choosing only by function count instead of by the methods you’ll use.
• Buying the wrong size for your household.
• Ignoring counter depth and cabinet height.
• Paying for pressure cooking you won’t use, or skipping it when you need it.
• Forgetting how heavy the machine is when you plan to move it.
• Assuming all dishwasher-safe claims cover every part.
• Treating marketing percentages as proven results.
• Skipping the warranty check, since listings differ.

Who Should Buy One?

• Small households that want fewer appliances.
• Apartment and dorm cooks with limited counter space.
• Busy families who need quick weeknight dinners.
• Meal preppers who cook in big batches.
• Anyone replacing an old toaster oven, rice cooker, or slow cooker.
• Beginners who like preset programs.
• Steak and burger fans who want indoor grilling.
• Cooks who want two foods ready at the same time.

Frequently Asked Questions

What is the best all in one cooking appliance for most kitchens?

For the widest range of cooking methods, our top pick is the Ninja Combi. It steams, air fries, bakes, and slow cooks. If you want pressure cooking, the Instant Pot Duo Crisp Ultimate is the better fit.

Is an all in one air fryer better than a regular air fryer?

It depends. It can do more jobs, but it often takes more space. If you only crisp food, a simpler air fryer may be enough.

What’s the difference between an air fryer pressure cooker combo and an air fryer toaster oven?

A pressure cooker combo uses a sealed lid for pressure cooking and a separate lid for air frying. An air fryer toaster oven uses a door and racks. It suits baking, toast, and pizza better.

What size should I choose?

The 6.5-quart Instant Pot lists up to 6 servings. The 8-quart model lists up to 8. The DualZone gives 10 quarts across two baskets. Match the size to the people you cook for.

How should I clean it?

Follow each manual. Several parts here are listed as dishwasher safe, including the DualZone crisper plates and the Chefman racks. Keep the main base away from water.

Is a built-in thermometer worth it?

It helps with steaks and chicken. The DualZone and the FG551 include one. If you mostly make soups and rice, you probably won’t miss it.

Which option is best for a small kitchen?

By listed dimensions, the Chefman has the smallest footprint and the lowest weight. The Nuwave is also narrow. The Combi replaces more appliances, which can free up space too.

Final Verdict

The best all in one cooking appliance depends on how you cook. We think most people will be happiest with the Ninja Combi, because it combines steam, air frying, and oven jobs in one machine.

Best Overall: Ninja Combi. It lists the widest mix of cooking methods and works like a small oven.

Everyday Use: Instant Pot Duo Crisp Ultimate. It pressure cooks and air fries with one lid, and a one-year warranty is stated.

Large Households: Instant Pot Duo Crisp 8 Qt. It has the biggest pot in this group.

Best Features: Nuwave Duet Deluxe. It adds saved programs and Combo Cook.

Small Space: Chefman 14 Qt. It’s the lightest and most compact here.

We didn’t name a budget pick, because we haven’t verified current prices. Compare prices before you decide.

Pick the one that fits your kitchen, cooking style, and budget.

Check the Amazon links above for the latest product details and availability.