81 overall score
Keylitos Sous Vide
76 overall score
Mellow Sous Vide
42 Scoring Factors Researched in this Comparison

Keylitos Sous Vide vs. Mellow Sous Vide

Section Scores
Hardware
80
73
Performance
60
79
Design
85
79
Durability
97
65
Usability
89
90
Major Feature Differences
Keylitos Sous Vide Mellow Sous Vide
Has more power (1100 watts vs. 1000 watts)
Is shorter (height) (14.8 in. vs. 15.8 in.)
Is lighter (weight) (2.1 lbs. vs. 17.4 lbs.)
Has a longer power cord (43 in. vs. 33 in.)
Has a 360° pump (Yes vs. Unknown)
Can heat a higher max water capacity (4 gal. vs. 1.3 gal.)
Has an adjustable height clamp (Yes vs. NA)
Has a digital display (Yes vs. No)
Bottom section can be removed for cleaning (Yes vs. NA)
Has a more durable heating tube material (Stainless Steel vs. NA)
Has a longer consecutive max cook time (100 hrs. vs. Unknown)
Has a better water & splash resistance (IPX7 vs. Unknown)
Has a low water-level alarm (Yes vs. Unknown)
Has an automatic, )low-water-level shutdown (Yes vs. Unknown)
Has a longer warranty (2 yrs. vs. 1 yr.)
Has manual controls (Yes vs. No)
Can operate in Celsius (Yes vs. Unknown)
Has alert sounds (Yes vs. Unknown)
Has a smaller heating tube diameter (NA vs. Unknown)
Lets you manually set the flow direction (Yes vs. Unknown)
Has a lower min temp (39°F vs. 77°F)
Has a higher flow rate (NA vs. Unknown)
Requires a smaller container depth (NA vs. Unknown)
Has a larger clamp opening (Not Applicable vs. Unknown)
Has a detachable height clamp (NA vs. No)
Has built-in refrigeration (Yes vs. No)
Can set a timer delay (Yes vs. No)
Has a Taste Learner (Yes vs. No)

Hardware

Power (watts)

Keylitos Sous Vide: 1100 watts
Mellow Sous Vide: 1000 watts
Below Avg Above
Rating
Generally, the higher the wattage, the more power. If you're looking to heat a lot of water, or want to have a sous vide that heats up quickly, this is an important factor for you to consider.

Voltage

Keylitos Sous Vide: 120v
Mellow Sous Vide: 110–120v
Voltage is what makes electric charges move. But for this comparison, it's just important to note that appliances in the USA use 110-120v, while Europe uses 220–240v. Map for reference.

Hertz

Keylitos Sous Vide: 60hz
Mellow Sous Vide: Unknown
Hertz is the frequency unit of the vibration cycle time. But, again, for this comparison, it's just important to note that USA uses 60hz, and Europe uses 50hz. Map for reference.

Height (in.)

Keylitos Sous Vide: 14.8 in.
Mellow Sous Vide: 15.8 in.
Below Avg Above
Rating
The smaller the sous vide, the less space it takes up. However, size can sometimes come with a trade-off in power. We generally favor smaller sous vides over larger ones, because most people won't be cooking for a restaurant of people.

Tube Diameter (in.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: NA
Below Avg Above
Rating
The tube diameter determines how much space you have left in your pot or container for placing your food. We think a smaller diameter is better, as it gives you more space in your container to fit more food.

Weight (lbs.)

Keylitos Sous Vide: 2.1 lbs.
Mellow Sous Vide: 17.4 lbs.
Below Avg Above
Rating
Weight is pretty self-explanatory. We think that the lighter the sous vide, the better.

Length of Power Cord (in.)

Keylitos Sous Vide: 43 in.
Mellow Sous Vide: 33 in.
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Rating
An often overlooked feature. The longer the cord, the more freedom you have to cook where you want to. And sometimes, there just isn't enough space around your outlet. Definitely keep the length of cord in mind when choosing the right sous vide for your kitchen.

Set Flow Direction Manually

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Yes
Sous vides heat and circulate water around the cooking container. Most sous vides control the flow automatically, evenly heating the entire pot. However, some sous vides allow you to set the water flow direction manually, in case you've got an oddly shaped container. We think this is a small benefit, but overall, not super impactful.

360° Directional Pump

Keylitos Sous Vide: Yes
Mellow Sous Vide: Unknown
Below Avg Above
Rating
The 360° directional pump is a standard feature in most sous vides. Unlike the previous feature (manual flow direction), the 360° pump automatically circulates water in all directions, helping keep temperatures consistent throughout the container.
Best
Hardware
Scores
Our Score
100
Our Score
100

Performance

Maximum Temperature (°F)

Keylitos Sous Vide: 194°F
Mellow Sous Vide: 194°F
Below Avg Above
Rating
Obviously, the higher the maximum temperature, the better. The more temperature range, the more you're able to cook. We also consider it an overall indicator of a sous vide's power.

Minimum Temperature (°F)

Keylitos Sous Vide: 77°F
Mellow Sous Vide: 39°F
Below Avg Above
Rating
Much like the maximum temperature, the lower the minimum temperature, the better. As we stated before, the more temperature range, the more you're able to cook.

Temperature Setting (Smallest Increment °F)

Keylitos Sous Vide: 0.1°F
Mellow Sous Vide: 0.1°F
Below Avg Above
Rating
The smaller the increment setting, the more precise you can be with your cooking. If a recipe says cook something at 153°, but you have a sous vide that can only select either 150° or 155°, it's going to be a bit disappointing. We definitely feel this is an important feature to consider.

Flow Rate/Pump (gallons/min.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: NA
Below Avg Above
Rating
The flow rate is the amount of water that the sous vide can pump per minute. The more it can pump, the faster the container can heat and remain heated. Flow rate is another measure of sous vide strength.

Motor Speed (revolutions/min.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Unknown
Below Avg Above
Rating
Motor speed is how many revolutions per minute the sous vide's motor can spin. Much like flow rate, the motor speed is an indicator of the sous vide's strength. The faster, the better. However, it's important to note that most manufacturers don't measure their motor speed.

Max Water Capacity (gal.)

Keylitos Sous Vide: 4 gal.
Mellow Sous Vide: 1.3 gal.
Below Avg Above
Rating
The max water capacity is the maximum amount recommended by the manufacturer. The higher the maximum, the more food you can cook, and the stronger the sous vide. So it goes without saying that the higher the capacity, the better the score.

Max. Water Line (in.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Unknown
The max water line is the maximum height that water level can be on the sous vide heating tube. Think of it like a tea kettle: if you overfill it, when it boils, the water can come out of the pot. With the sous vide, if the water is too high, it can damage the machine. On it's on, this isn't a massive factor in scoring a sous vide, but it's something to keep in mind.

Min. Water Line (in.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Unknown
Below Avg Above
Rating
The minimum water line is the opposite of the maximum water line. It's the area of the sous vide heating tube that must be covered by water. The lower the minimum line, the less water necessary for the sous vide to work. Generally, we think the lower the minimum line, the better.

Minimum Container Depth (in.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: NA
Below Avg Above
Rating
Some sous vides are too large, or have a clamp that's too high, to fit on specific containers. This is where a minimum container depth comes into play. Generally, the smaller, the better, because you shouldn't be required to have giant containers to run the sous vide.

Noise Level (db.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Unknown
Below Avg Above
Rating
Noise level is somewhat important, as you don't want to be distracted by your sous vide cooking your food. Not many manufacturers measure the noise level, but for those that do, we wanted to include it. Here's a noise level reference.
Best
Performance
Scores
Our Score
98
Our Score
89

Design

Maximum Clamp Opening (in.)

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Not Applicable
Below Avg Above
Rating
The clamp which holds the sous vide in place on the container can open this amount of inches. This is especially important to note if the container(s) you plan on cooking in have thick walls or a lip/edge that's wide.

Adjustable Height Clamp

Keylitos Sous Vide: Yes
Mellow Sous Vide: NA
An adjustable height clamp allows you to choose how much of the heating tube goes into the water. This makes it much easier to get the correct water height on the sous vide heating tube.

Detachable Height Clamp

Keylitos Sous Vide: No
Mellow Sous Vide: NA
The height clamp is the piece on the side of the sous vide that keeps it attached to the container. When it's detachable, it makes it easier to clean and store.

Digital Display (LCD/LED)

Keylitos Sous Vide: Yes
Mellow Sous Vide: No
A majority of sous vides have an LED/LCD screen, which let you interface with the machine. Some sous vides can only be operated via an LCD/LED screen, others only use an app, and some use both. We'd stick to finding a sous vide with a screen and an app if possible.

Manual Temperature Calibration

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Unknown
There are times where after a lot of use, the sous vide can be off by a few degrees from what the temperature reading says. With manual calibration, you can correct the machine to make sure it's accurate.

Built-in Refrigeration

Keylitos Sous Vide: No
Mellow Sous Vide: Yes
With built-in refrigeration, you can place your food directly into the container in the morning (or whenever), and it'll keep it refrigerated until you've scheduled it to cook.

Removable Skirt / Bottom Cap

Keylitos Sous Vide: Yes
Mellow Sous Vide: NA
The skirt/cap is the bottom cover part of the sous vide. With a removable skirt/cap, you can more easily clean the sous vide. However, we don't know how often you'll need to clean the sous vide, as the only thing you'll be heating is water (unless a bag breaks or something).

Color

Keylitos Sous Vide: Black/Silver
Mellow Sous Vide: White
Color really comes down to preference. You'll basically be choosing between white, black, and metal.
Best
Design
Scores
Our Score
88

Durability

Upper Tube Material (for Handling)

Keylitos Sous Vide: Plastic
Mellow Sous Vide: NA
Below Avg Above
Rating
This is just a nice quality of life feature for your sous vide. Upper tubes that are made of metal feel nice to handle, and really give you the impression of a durable, quality sous vide.

Lower Tube Material (for Cooking)

Keylitos Sous Vide: Stainless Steel
Mellow Sous Vide: NA
Below Avg Above
Rating
The standard heating tube is stainless steel. We'd be highly cautious of purchasing any sous vide that doesn't have a heating tube that's stainless steel.

Max Single Cook Time (hrs.)

Keylitos Sous Vide: 100 hrs.
Mellow Sous Vide: Unknown
Below Avg Above
Rating
For most cooking, this feature won't be super important. But in the event that you need to cook for a long time, the max single cook time lets you know how long the sous vide will stay on and cooking.

Water & Splash Resistance

Keylitos Sous Vide: IPX7
Mellow Sous Vide: Unknown
Below Avg Above
Rating
The upper and lower halves of the sous vide have different purposes: the upper is for handling the sous vide, and the lower half goes in the water. But it's nice to have a sous vide which has a nice splash resistance. IP 67 is the best, IPX7 is second best.

Low Water-level Alarm

Keylitos Sous Vide: Yes
Mellow Sous Vide: Unknown
If there isn't enough water in the cooking container to cover the minimum water line on the heating tube, the sous vide will notify you with an alert/noise.

Low Water-level Shut-off

Keylitos Sous Vide: Yes
Mellow Sous Vide: Unknown
If there isn't enough water in the container to cover the minimum water line, the sous vide will automatically shut off. This is a nice protection feature for your sous vide.

Warranty (yrs.)

Keylitos Sous Vide: 2 yrs.
Mellow Sous Vide: 1 yr.
Below Avg Above
Rating
The longer the warranty, the more belief the manufacturer has in their product. It's pretty self-explanatory, the longer the warranty, the better the score.
Best
Durability
Scores
Our Score
97
Our Score
97

Usability

Manual Controls

Keylitos Sous Vide: Yes
Mellow Sous Vide: No
Some sous vides operate only with an app, others only with buttons on the sous vide itself, and some with both buttons and app. We think it's nice to have manual controls as a backup if the app should somehow have issues.

Buttons

Keylitos Sous Vide: Touch Screen
Mellow Sous Vide: None
Below Avg Above
Rating
Buttons are an important thing to consider when choosing a sous vide. Some sous vides operate only with an app, others only with buttons on the sous vide itself. Which you prefer will

Can Operate in Celsius

Keylitos Sous Vide: Yes
Mellow Sous Vide: Unknown
Important for those those who get a lot of recipes from foreign countries, operating in Celsius is a great quality of life feature.

Alert Sounds (Beeping, etc.)

Keylitos Sous Vide: Yes
Mellow Sous Vide: Unknown
Alert sounds are a nice quality feature to consider when purchasing a sous vide. The feedback noises are appreciated whether it's just pressing buttons on the interface, alerting you to a problematic water level, or even just when your food has finished cooking.

Has Timer

Keylitos Sous Vide: Yes
Mellow Sous Vide: Yes
A basic, necessary component of any sous vide. Most sous vides have a built-in timer. And if it doesn't have one, it's a bit questionable.

Delay Timer/Scheduling

Keylitos Sous Vide: No
Mellow Sous Vide: Yes
Some sous vides will let you set a delay on the timer start. This means you can prep your meal before work and set the sous vide to start start cooking an hour before you get home. It's a great additional feature to have.

Time Setting (Smallest interval)

Keylitos Sous Vide: 1min
Mellow Sous Vide: 1min
Below Avg Above
Rating
Some recipes require short, specific amounts of time cooking. The time interval setting is quite valuable for these types of recipes. Most sous vides have 1min or 5min interval.

Automatic Shut-down (when timer ends)

Keylitos Sous Vide: Yes
Mellow Sous Vide: Yes
Some sous vides have an automatic shutdown when the timer ends. It's a super handy feature in the event that you forget about the timer or something takes you away from the kitchen. It can save you on the electricity bill and putting unnecessary hours on the machine.

Connection

Keylitos Sous Vide: Unknown
Mellow Sous Vide: WiFi
Below Avg Above
Rating
Connections lets you know whether or not the sous vide has Bluetooth, WiFi, both, or neither. When a sous vide has the connection feature, it allows you to control your sous vide from outside the kitchen.

iOS App

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Yes
Is there an iOS app to accompany the sous vide?

Android App

Keylitos Sous Vide: Unknown
Mellow Sous Vide: Yes
Is there an Android app to accompany the sous vide?

Taste Learner

Keylitos Sous Vide: No
Mellow Sous Vide: Yes
Taste Learner is a rare feature which uses AI to help you cook foods better by asking for your feedback after each meal. Then it alters the cooking method based on your preferences.
Best
Usability
Scores
Our Score
99
Our Score
99

Full Comparison Chart

Keylitos Sous Vide Average Sous Vide
Hardware
Power (watts) 1100 watts
Keylitos Sous Vide
1000 watts
Sous Vide
Voltage 120v
Keylitos Sous Vide
110–120v
Sous Vide
Hertz 60hz
Keylitos Sous Vide
Unknown
Sous Vide
Height (in.) 14.8 in.
Keylitos Sous Vide
15.8 in.
Sous Vide
Tube Diameter (in.) Unknown
Keylitos Sous Vide
NA
Sous Vide
Weight (lbs.) 2.1 lbs.
Keylitos Sous Vide
17.4 lbs.
Sous Vide
Length of Power Cord (in.) 43 in.
Keylitos Sous Vide
33 in.
Sous Vide
Set Flow Direction Manually Unknown
Keylitos Sous Vide
Yes
Sous Vide
360° Directional Pump Yes
Keylitos Sous Vide
Unknown
Sous Vide
Performance
Maximum Temperature (°F) 194°F
Keylitos Sous Vide
194°F
Sous Vide
Minimum Temperature (°F) 77°F
Keylitos Sous Vide
39°F
Sous Vide
Temperature Setting (Smallest Increment °F) 0.1°F
Keylitos Sous Vide
0.1°F
Sous Vide
Flow Rate/Pump (gallons/min.) Unknown
Keylitos Sous Vide
NA
Sous Vide
Motor Speed (revolutions/min.) Unknown
Keylitos Sous Vide
Unknown
Sous Vide
Max Water Capacity (gal.) 4 gal.
Keylitos Sous Vide
1.3 gal.
Sous Vide
Max. Water Line (in.) Unknown
Keylitos Sous Vide
Unknown
Sous Vide
Min. Water Line (in.) Unknown
Keylitos Sous Vide
Unknown
Sous Vide
Minimum Container Depth (in.) Unknown
Keylitos Sous Vide
NA
Sous Vide
Noise Level (db.) Unknown
Keylitos Sous Vide
Unknown
Sous Vide
Design
Maximum Clamp Opening (in.) Unknown
Keylitos Sous Vide
Not Applicable
Sous Vide
Adjustable Height Clamp Yes
Keylitos Sous Vide
NA
Sous Vide
Detachable Height Clamp No
Keylitos Sous Vide
NA
Sous Vide
Digital Display (LCD/LED) Yes
Keylitos Sous Vide
No
Sous Vide
Manual Temperature Calibration Unknown
Keylitos Sous Vide
Unknown
Sous Vide
Built-in Refrigeration No
Keylitos Sous Vide
Yes
Sous Vide
Removable Skirt / Bottom Cap Yes
Keylitos Sous Vide
NA
Sous Vide
Color Black/Silver
Keylitos Sous Vide
White
Sous Vide
Durability
Upper Tube Material (for Handling) Plastic
Keylitos Sous Vide
NA
Sous Vide
Lower Tube Material (for Cooking) Stainless Steel
Keylitos Sous Vide
NA
Sous Vide
Max Single Cook Time (hrs.) 100 hrs.
Keylitos Sous Vide
Unknown
Sous Vide
Water & Splash Resistance IPX7
Keylitos Sous Vide
Unknown
Sous Vide
Low Water-level Alarm Yes
Keylitos Sous Vide
Unknown
Sous Vide
Low Water-level Shut-off Yes
Keylitos Sous Vide
Unknown
Sous Vide
Warranty (yrs.) 2 yrs.
Keylitos Sous Vide
1 yr.
Sous Vide
Usability
Manual Controls Yes
Keylitos Sous Vide
No
Sous Vide
Buttons Touch Screen
Keylitos Sous Vide
None
Sous Vide
Can Operate in Celsius Yes
Keylitos Sous Vide
Unknown
Sous Vide
Alert Sounds (Beeping, etc.) Yes
Keylitos Sous Vide
Unknown
Sous Vide
Has Timer Yes
Keylitos Sous Vide
Yes
Sous Vide
Delay Timer/Scheduling No
Keylitos Sous Vide
Yes
Sous Vide
Time Setting (Smallest interval) 1min
Keylitos Sous Vide
1min
Sous Vide
Automatic Shut-down (when timer ends) Yes
Keylitos Sous Vide
Yes
Sous Vide
Connection Unknown
Keylitos Sous Vide
WiFi
Sous Vide
iOS App Unknown
Keylitos Sous Vide
Yes
Sous Vide
Android App Unknown
Keylitos Sous Vide
Yes
Sous Vide
Taste Learner No
Keylitos Sous Vide
Yes
Sous Vide

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