When exploring options under the COSORI brand, you’ll find a wide range of kitchen appliances designed for convenience and versatility. The Cosori Air Fryer Oven, 13QT stands out for its large capacity and 11-in-1 functionality, making it ideal for families. Meanwhile, the Cosori Iconic Stainless Steel Air Fryer offers a sleek design with PFAS-free ceramic coating for health-conscious cooks. The main tradeoffs often involve balancing capacity, features, and price—more advanced models cost more but offer added versatility, while simpler options excel in ease of use and affordability. Keep reading for a detailed breakdown of the best COSORI appliances for 2026, tailored to different needs.
Complete the kit
Key Takeaways
- The largest capacity models are best for big families or frequent meal prepping.
- Ceramic coatings are popular for health and ease of cleaning, but may come at a higher price.
- Smart features and presets significantly streamline cooking, especially for beginners.
- Premium models offer more functions but are less budget-friendly, requiring careful consideration of needs.
- Different appliances excel for specific tasks—air fryers, rice cookers, or multi-cookers—so matching to your kitchen routine matters.
| Cosori Air Fryer Oven, 13QT, 11-in-1 with Rotisserie and Accessories |  | Best Overall for Versatility and Capacity | Capacity: 13 quarts | Max Temperature: 450°F | Functions: 11-in-1 including rotisserie, pizza, proof, toast | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori Iconic Stainless Steel Air Fryer, 6.5Qt, PFAS Free Ceramic Coating |  | Best for Sleek Design and App Control | Capacity: 6.5 Qt | Material: Stainless Steel | Coating: PFAS-Free Ceramic | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori 6QT 9-in-1 Pressure Cooker with Ceramic Coating Pot |  | Best for Multi-Function Pressure Cooking | Capacity: 6 Quart | Power: 1100 W | Dimensions: 13.4 x 12.6 x 12.5 inches | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori Air Fryer Pro LE 5 Qt, 9-in-1, Ceramic Coating, Shake Reminder, Grey |  | Best for Healthy, Oil-Reduced Frying | Capacity: 5 quarts | Color: Grey | Presets: 9-in-1 | VIEW ON AMAZON | See Our Full Breakdown |
| COSORI 10 Cup Rice Cooker + Pressure Cooker with 18 Functions & 13 Presets |  | Best for Multi-Function Meal Prep | Capacity: 10 cups | Functions: 18-in-1 | Presets: 13 | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori TurboBlaze 6 Qt Air Fryer, Ceramic Coating, 9-in-1, Light Gray |  | Best Overall for Versatile and Fast Cooking | Capacity: 6 quarts | Color: Light Gray | Temperature Range: 90°F–450°F | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori TurboBlaze Air Fryer, 9-in-1, 6 Qt, PFAS-Free Ceramic Coating |  | Best for Quiet, Healthy Family Meals | Model: CAF-DC601-KUS | Power Supply: DC 120V, 60Hz | Rated Power: 1,725W | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori TurboBlaze Smart Air Fryer 6 Qt, Shake Reminders, 9-in-1, Cream |  | Best for Tech-Savvy Users Who Want Smartphone Control | Capacity: 6 quarts | Temperature Range: 90°F–450°F | Fan Speed: 5-speed system | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori 10-Cup Fuzzy Logic Rice Cooker with Ceramic Coating Inner Pot, 18-in-1 |  | Best for Precise Multi-Function Cooking and Grains | Capacity: 10 cups | Power: 1000W | Inner Pot Material: Ceramic Coating | VIEW ON AMAZON | See Our Full Breakdown |
| Cosori Dual Air Fryer, 9QT, 10-in-1 with Sync Cook & Finish |  | Best for Cooking Multiple Foods Simultaneously | Model: CAF-R901-KUS | Capacity: 9.0 Qt | Temperature Range: 95°F–450°F | VIEW ON AMAZON | See Our Full Breakdown |
| COSORI | Capacity | Functions | Temperature Range |
|---|---|---|---|
| Cosori Air Fryer Oven | 13 quarts | 11-in-1 including rotisserie, pizza, proof, toast | — |
| Cosori Iconic Stainless Steel | 6.5 Qt | Air Fry, Roast, Bake, Dry, Proof, Reheat | — |
| Cosori 6QT 9-in-1 Pressure Coo | 6 Quart | — | — |
| Cosori Air Fryer Pro LE 5 Qt | 5 quarts | — | Up to 450°F |
| COSORI 10 Cup Rice Cooker + Pr | 10 cups | 18-in-1 | — |
| Cosori TurboBlaze 6 Qt Air Fry | 6 quarts | Air Fry, Roast, Bake, Broil, Dehydrate, Frozen, Proof, Reheat, Keep Warm | 90°F–450°F |
| Cosori TurboBlaze Air Fryer | 6 qt / 5.7 L | — | 90°-450°F / 30°-230°C |
| Cosori TurboBlaze Smart Air Fr | 6 quarts | 9 cooking functions + preheat | 90°F–450°F |
| Cosori 10-Cup Fuzzy Logic Rice | 10 cups | 18-in-1 | — |
| Cosori Dual Air Fryer | 9.0 Qt | — | 95°F–450°F |
More Details on Our Top Picks
Cosori Air Fryer Oven, 13QT, 11-in-1 with Rotisserie and Accessories
This Cosori Air Fryer Oven stands out for its generous 13-quart capacity, making it ideal for families or entertaining, especially when compared to smaller models like the Cosori 5 Qt Air Fryer Pro LE. Its 11-in-1 functionality—including rotisserie, pizza, proof, and toast—offers a level of versatility that simplifies meal prep, though the complex controls can be intimidating for beginners. The oven cooks 40% faster than traditional options, saving time, but its size and multi-functionality mean it’s bulkier and may require a learning curve. This model is best suited for busy households seeking a multifunctional countertop appliance.
Pros:- Large 13-quart capacity ideal for family meals
- 11-in-1 multi-functionality for diverse cooking needs
- Cooks 40% faster than conventional ovens
- Compact footprint saves counter space
Cons:- Complex control panel requires some learning
- Limited detailed usage instructions available
Best for: Families or hosts who need a large-capacity, versatile oven that can handle multiple dishes at once.
Not ideal for: Small kitchens or users preferring simple, straightforward appliances with minimal controls.
- Capacity:13 quarts
- Max Temperature:450°F
- Functions:11-in-1 including rotisserie, pizza, proof, toast
- Dimensions:13.5 x 13.0 x 14.5 inches
- Accessories:6 included
- Cooking Time Speed:40% faster than traditional ovens
Our verdict“This oven makes the most sense for larger households or those who want a multifunctional appliance without sacrificing speed and capacity.”
Cosori Iconic Stainless Steel Air Fryer, 6.5Qt, PFAS Free Ceramic Coating
The Cosori Iconic Air Fryer combines a durable stainless steel exterior with versatile cooking features, including Air Fry, Roast, Bake, and Reheat, plus app control via VeSync. Compared to the Cosori Air Fryer Pro LE, it offers a more premium look and longer support with a 5-year warranty, though it relies heavily on app functionality for full use. Its PFAS-free ceramic coating promotes healthier meals, and the fast, even cooking results make it suitable for busy kitchens. However, the need for app control can be a barrier for those who prefer manual operation or have limited connectivity. This pick makes the most sense for users who value durability and sleek aesthetics along with smart features.
Pros:- Sleek stainless steel build with durable design
- Versatile cooking functions with app control
- PFAS-free ceramic coating for healthier food
- Fast, even cooking results
Cons:- Price and exact cost not specified
- Full features require app setup and connectivity
Best for: Tech-savvy cooks who want a stylish, durable air fryer with app connectivity and long-term support.
Not ideal for: Users who prefer manual controls or have limited Wi-Fi access, as app dependence is essential for full functionality.
- Capacity:6.5 Qt
- Material:Stainless Steel
- Coating:PFAS-Free Ceramic
- Control:App-controlled via VeSync
- Functions:Air Fry, Roast, Bake, Dry, Proof, Reheat
- Fan Speeds:5
Our verdict“This model best suits those who prioritize style, durability, and smart features over purely manual operation.”
Cosori 6QT 9-in-1 Pressure Cooker with Ceramic Coating Pot
This 6-quart pressure cooker excels at offering 9 cooking functions, including pressure, rice, steaming, and sterilizing, rivaling the versatility of the Cosori 10-in-1 rice cooker with fuzzy logic technology. The ceramic non-stick inner pot simplifies cleaning, and safety features like venting and locking mechanisms add peace of mind. Compared to the larger rice cooker, this unit is more suitable for small to medium households but may have uneven heating during slow cooking or splatter issues with high-fluid recipes. Its complex control interface might challenge less experienced users. This pick makes sense for cooks who want a compact yet versatile pressure cooker with safety in mind.
Pros:- Versatile 9-in-1 cooking functions
- Easy-to-clean ceramic non-stick pot
- Safe venting and locking features
- Compact size fits small kitchens
Cons:- Steam can splatter with high-fluid recipes
- Slow cook may heat unevenly after long preheat
- Control interface can be complex for beginners
Best for: Small to medium households needing a versatile pressure cooker with safety and easy cleanup.
Not ideal for: Users who frequently cook large batches or prefer a simple, no-fuss appliance with minimal controls.
- Capacity:6 Quart
- Power:1100 W
- Dimensions:13.4 x 12.6 x 12.5 inches
- Inner Pot Size:9.41 x 9.41 x 6.18 inches
- Inner Diameter:8.66 inches
- Material:BPA-free ceramic
Our verdict“Ideal for small households seeking a safe, versatile, and easy-to-clean pressure cooker with multiple functions.”
Cosori Air Fryer Pro LE 5 Qt, 9-in-1, Ceramic Coating, Shake Reminder, Grey
The Cosori Air Fryer Pro LE offers a 5-quart square basket with 9 preset functions, making it a solid choice for quick, healthy meals. Its ceramic non-stick coating simplifies cleanup, and with the ability to reduce oil use by up to 85%, it caters to health-conscious users. Compared to larger models like the 13QT oven, its smaller size suits singles or couples, and the shake reminder feature helps ensure even cooking. However, its limited preset options and lack of detailed noise level data mean it might fall short for users seeking extensive customization or quiet operation. This pick is best for those prioritizing healthy, fast frying with easy cleanup.
Pros:- Large 5-quart basket for full meals
- Ceramic coating eases cleaning and is dishwasher safe
- Reduces oil usage by up to 85%
- Multiple preset cooking functions
Cons:- Limited preset options may restrict variety
- No specific info on noise levels
Best for: Individuals or couples who want a compact, health-focused air fryer for everyday use.
Not ideal for: Large families or those seeking extensive menu customization, due to its limited preset count.
- Capacity:5 quarts
- Color:Grey
- Presets:9-in-1
- Coating:Ceramic nonstick
- Temperature Range:Up to 450°F
Our verdict“Best suited for health-conscious users needing a compact, easy-to-clean fryer for everyday meals.”
COSORI 10 Cup Rice Cooker + Pressure Cooker with 18 Functions & 13 Presets
This 10-cup rice cooker doubles as a pressure cooker, providing 18 functions and 13 presets, making it highly adaptable for a wide range of recipes. Its fuzzy logic technology ensures precise cooking, and the real-time progress bar helps track meal status, similar to the capabilities of the larger rice cooker in this roundup. While its complexity and large size may be overwhelming for small kitchens, it offers a comprehensive solution for those who want a single appliance to handle everything from rice to sous vide. For users who prefer simplicity, the interface might feel intimidating, but experienced cooks will appreciate its versatility. This device is best for serious meal prep enthusiasts with enough space and a desire for all-in-one functionality.
Pros:- 18-in-1 multi-function capability
- 13 presets for various cooking styles
- Fuzzy logic technology for precise results
- Dishwasher-safe accessories for easy cleaning
Cons:- Complex interface may require learning
- Large footprint not suitable for small kitchens
Best for: Home cooks who want an all-in-one appliance capable of handling a variety of cooking tasks and large batches.
Not ideal for: Small kitchens or users who prefer straightforward appliances with minimal controls, as this model’s interface can be complex.
- Capacity:10 cups
- Functions:18-in-1
- Presets:13
- Technology:Fuzzy logic
- Safety features:Venting, locking
Our verdict“Perfect for experienced cooks seeking a comprehensive, multi-use appliance that can replace several devices in the kitchen.”
Cosori TurboBlaze 6 Qt Air Fryer, Ceramic Coating, 9-in-1, Light Gray
This model stands out for its advanced Turbo Blaze technology, which significantly reduces cooking time without sacrificing crispness—making it ideal for busy households. Compared with the Cosori 10-Cup Fuzzy Logic Rice Cooker, it delivers quicker results with less fuss, though it does come with a larger footprint that might not suit small kitchens. Its 9-in-1 functions cover everything from roasting to dehydrating, providing a comprehensive cooking experience. The ceramic coating ensures healthier meals with less oil, but the appliance’s size and complex features could overwhelm new users. Overall, it balances speed, versatility, and healthier cooking, making it a strong choice for those who want quick, multi-purpose results.
Pros:- Fast cooking with Turbo Blaze technology
- Versatile 9-in-1 functions for multiple cooking styles
- Healthier frying with up to 95% less oil
- Easy to clean with non-stick components
Cons:- Large size may require ample counter space
- Complex features might have a learning curve for some users
Best for: Families or busy individuals who want fast, multi-functional cooking with less oil and fuss.
Not ideal for: Small kitchens or users who prefer simple, straightforward appliances without a steep learning curve.
- Capacity:6 quarts
- Color:Light Gray
- Temperature Range:90°F–450°F
- Functions:Air Fry, Roast, Bake, Broil, Dehydrate, Frozen, Proof, Reheat, Keep Warm
- Included:Nonstick basket, crisper plate, recipe book
Our verdict“This air fryer is perfect for those seeking quick, versatile, and healthier cooking in a spacious, feature-rich device.”
Cosori TurboBlaze Air Fryer, 9-in-1, 6 Qt, PFAS-Free Ceramic Coating
This pick excels in combining TurboBlaze technology with a PFAS-free ceramic coating, offering fast, even cooking with healthier results. Its 6-quart capacity is perfect for families wanting to prepare multiple servings quickly, and the quiet operation (less than 53dB) is a notable advantage over louder models like the Cosori TurboBlaze Smart Air Fryer. While the setup involves handling several accessories, its intuitive controls and rapid performance make it worth the initial effort. The high power draw at 1725W might increase energy costs, but the overall efficiency and health-conscious design make this a compelling choice for those prioritizing quiet, healthy cooking.
Pros:- Fast and even cooking with TurboBlaze technology
- PFAS-free ceramic coating for healthier meals
- Quiet operation at less than 53dB
- Large 6-quart capacity suitable for family meals
Cons:- Complex setup with multiple accessories
- High power consumption at 1725W
Best for: Families who want quick, quiet, and healthy cooking with minimal fuss and a spacious basket.
Not ideal for: Small kitchens or users with limited space, given its bulky size and high power consumption.
- Model:CAF-DC601-KUS
- Power Supply:DC 120V, 60Hz
- Rated Power:1,725W
- Capacity:6 qt / 5.7 L
- Temperature Range:90°-450°F / 30°-230°C
Our verdict“This air fryer suits families seeking quiet, efficient, and health-conscious cooking, despite its larger size and setup complexity.”
Cosori TurboBlaze Smart Air Fryer 6 Qt, Shake Reminders, 9-in-1, Cream
This model emphasizes smart features, including app control and shake reminders, making it ideal for tech-savvy users who want convenience. Its TurboBlaze technology ensures rapid, even crisping, similar to the other TurboBlaze options, but the added smartphone connectivity makes it stand out for modern kitchens. Its 6-quart capacity suits family-sized meals, but the multiple functions and app setup could be overwhelming for those unfamiliar with smart appliances. The noise level remains under 53dB, and while the operation is quieter than some models, handling the crisper plate carefully is necessary to prevent slips. It combines speed, versatility, and remote control, though at the expense of a slightly more complicated user experience.
Pros:- Fast and even cooking with TurboBlaze technology
- Smartphone control for remote operation
- Large 6-quart capacity perfect for families
- Less oil required for healthier results
Cons:- Complex setup with multiple functions and app integration
- Operating noise, though quieter than some models
Best for: Tech-oriented households who want remote operation and smart features for everyday cooking.
Not ideal for: Users preferring simple, manual appliances or those wary of complex setup procedures.
- Capacity:6 quarts
- Temperature Range:90°F–450°F
- Fan Speed:5-speed system
- Noise Level:Less than 53dB
- Functions:9 cooking functions + preheat
Our verdict“This smart air fryer is ideal for those who appreciate modern tech features combined with quick, healthy cooking, despite its initial setup complexity.”
Cosori 10-Cup Fuzzy Logic Rice Cooker with Ceramic Coating Inner Pot, 18-in-1
This rice cooker stands apart with its fuzzy logic technology, offering 18 functions that go far beyond basic rice preparation, including steaming, slow cooking, and sautéing. Its ceramic-coated inner pot simplifies cleaning and promotes healthier meals, which makes it suitable for health-conscious users. Compared to the smaller, more straightforward rice cookers, this model excels in versatility but can feel overwhelming due to its numerous options. Its size and complexity are better suited for larger kitchens and users who enjoy experimenting with different recipes. The 24-hour delay timer and keep warm functions add convenience, making it a true multi-tasker in the kitchen.
Pros:- Offers 18 multifunction options including steaming and sautéing
- Fuzzy logic technology ensures consistent results
- Ceramic-coated inner pot for easy cleaning and healthy cooking
- Includes dishwasher-safe accessories and delay timer
Cons:- Large size may not fit in compact kitchens
- Multiple functions can be confusing for beginners
Best for: Home cooks who want a highly versatile, precise appliance for grains, steaming, and more.
Not ideal for: Small kitchens or users seeking a simple, no-fuss rice cooker without many functions.
- Capacity:10 cups
- Power:1000W
- Inner Pot Material:Ceramic Coating
- Functions:18-in-1
- Accessories:Stainless steel steamer basket, dishwasher-safe
Our verdict“This rice cooker suits those who want precise, multi-use cooking with the benefits of fuzzy logic and a healthy ceramic coating, despite its size and complexity.”
Cosori Dual Air Fryer, 9QT, 10-in-1 with Sync Cook & Finish
This dual air fryer shines in its ability to cook two different foods at once, thanks to its dual 4.5-quart baskets, which make meal prep more efficient compared to single-basket models like the Cosori TurboBlaze 6 Qt. Its 10-in-1 functions and Sync Cook & Finish feature allow for synchronized cooking and finishing, ideal for busy families wanting variety without multiple appliances. The large 9-quart capacity is substantial, but the size and weight (20 pounds) demand significant counter space. The controls are straightforward, but mastering all features may take some time. It provides a high level of flexibility and efficiency for multi-component meals, with easy cleanup via dishwasher-safe baskets.
Pros:- Dual baskets enable cooking different foods simultaneously
- Multiple functions for versatile meal prep
- Ease of cleaning with dishwasher-safe baskets
- Sync Cook & Finish feature for coordinated meals
Cons:- Large size requires ample counter space
- Complex features may involve a learning curve
Best for: Families or cooks who regularly prepare multi-component meals and need simultaneous cooking options.
Not ideal for: Small kitchens or users who prefer compact appliances with fewer functions to learn.
- Model:CAF-R901-KUS
- Capacity:9.0 Qt
- Temperature Range:95°F–450°F
- Time Range:0-48 hours
- Rated Power:1750W
Our verdict“This dual air fryer is best for busy households seeking efficient multi-tasking and larger capacity, though it requires space and familiarity with advanced features.”
How We Picked
Products in this roundup were selected based on a combination of performance, build quality, versatility, and value. We evaluated each model’s core features, such as capacity, preset options, and special functions, to determine how well they meet a variety of cooking needs. Ease of use, durability, and customer feedback also played a role in ranking these appliances. The goal was to present a diverse list that covers different budgets and lifestyles, with clear distinctions in roles like best overall, best value, or best for beginners. This approach ensures readers can find a COSORI appliance that suits their specific culinary priorities.Factors to Consider When Choosing COSORI
Choosing the right COSORI appliance depends on your cooking habits, space, and budget. Focus on key factors that influence daily use and long-term satisfaction, such as capacity and feature set. Understanding these considerations can help avoid common pitfalls like overpaying for features you never use or selecting too small a size for your family’s needs. Here are the main factors to weigh before making a purchase.Capacity and Size
Assess how much food you typically cook at once. Larger capacities, like 13-quart models, are ideal for big families or batch cooking but take up more counter space. Smaller units, around 5 to 6 quarts, suit singles or couples. Think about your kitchen space and whether you need portability or a fixed countertop appliance. Choosing the right size prevents frustration and makes daily use more convenient.
Functionality and Presets
Look for appliances with enough preset options to simplify your cooking process. Many COSORI models now include features like dehydration, roasting, or fermentation, which expand versatility. However, more features often mean a higher price and complexity—so consider your comfort level with tech. Overloading a machine with unnecessary functions can complicate cleaning and maintenance, so prioritize what aligns with your typical meals.
Build Quality and Materials
Durability depends heavily on construction quality and materials like ceramic or stainless steel coatings. Ceramic coatings are favored for health reasons and ease of cleaning but may wear faster than stainless steel. Check reviews for reports of longevity, especially if you plan regular, heavy use. Investing in a well-built model can save money over time, even if it costs more upfront.
Smart Features and Connectivity
Smart appliances with app control and voice compatibility appeal to tech-savvy users, offering remote operation and custom recipes. However, these features come at a premium and can be unnecessary for those who prefer straightforward controls. Consider whether the convenience of digital connectivity outweighs the additional cost and potential learning curve.
Price and Overall Value
Balance your budget against the features you need. High-end models offer advanced features and larger capacities but may be more than necessary for casual cooks. Conversely, budget options provide core functions but might lack durability or specialized presets. Focus on models that deliver the best combination of quality, features, and price for your specific cooking style.
Frequently Asked Questions
Are COSORI appliances worth the investment for everyday cooking?
Many COSORI models are designed to simplify everyday meal prep with features like preset programs and large capacities. They are generally well-built and offer good value, especially considering their versatility. However, whether they are worth the investment depends on your cooking habits—if you frequently prepare a variety of dishes or need multifunctionality, a COSORI appliance can be a worthwhile addition. For casual users, simpler models may suffice, making it easier to choose the right balance of features and cost.
Which COSORI model is best for small kitchens?
For limited space, compact models like the COSORI 5 Qt Air Fryer Pro LE or the smaller rice cookers are excellent options. These appliances offer functionality without occupying too much countertop real estate. When choosing smaller units, consider whether their capacity meets your cooking needs—if you regularly prepare meals for multiple people, a slightly larger model may be more practical despite the limited size.
Do all COSORI air fryers come with a non-stick coating?
Most COSORI air fryers feature ceramic or PTFE-free coatings designed for health and easy cleaning. However, some models, especially those with stainless steel interiors, may lack non-stick coatings. It’s important to check product details if non-stick surfaces are a priority for you, as coatings can wear over time and may require gentle cleaning methods to preserve their lifespan.
Are smart COSORI appliances compatible with voice assistants?
Many of the higher-end COSORI models include smart features like app control and voice assistant compatibility with Alexa or Google Home. These capabilities allow remote operation and custom programming, which can be very convenient. However, setting up these features may involve a learning curve and additional costs, so consider whether your household benefits enough from smart tech to justify the investment.
How do I choose between a multi-function cooker and a dedicated appliance?
Multi-function cookers, like some COSORI pressure cookers and air fryers, offer versatility to handle various recipes in one device, saving space and cost. Dedicated appliances, on the other hand, tend to excel in their specific roles—such as a rice cooker with fuzzy logic for perfect rice or an air fryer with advanced presets. Your decision should depend on your cooking style: if you value flexibility and limited counter space, a multi-function model makes sense. If you prefer optimized performance for specific tasks, dedicated appliances might be better.
Conclusion
For most buyers, the Cosori Air Fryer Oven, 13QT offers the best overall balance of capacity, features, and value, making it ideal for families or those who cook frequently. The Cosori Iconic Stainless Steel Air Fryer suits health-conscious cooks seeking durability and elegance. Beginners or casual users may prefer the Cosori Pro LE 5 Qt for its straightforward controls and compact size. For those with limited space or specific needs like rice cooking, dedicated models like the Cosori 10-Cup Rice Cooker are excellent. Budget-conscious shoppers should consider models that deliver core functionalities without extra frills, while premium buyers can explore models with smart features and extra presets for maximum convenience.
