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OBERLY vs Koios Pro 850W Bullet Personal Blender Side-by-Side Comparison

OBERLY vs Koios Pro 850W Bullet Personal Blender comparison. OBERLY offers cord-free blending on-the-go, while Koios guarantees heavier blending performance.

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OBERLY Portable Blender

Koios Pro 850W Bullet 

OBERLY vs Koios Pro 850W Bullet Personal Blender

Overall Verdict

Ranking by
OverallScore Performance60% Design25% Usability15% ScoreOverall 60%Performance 25%Design 15%Usability Koios Pro 850W BulletOBERLY Portable Ble...7.47.18.37.32.20.05.94.9
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The OBERLY and the KOIOS 800W Bullet are contrasting contenders. 

OBERLY capitalizes on its portability, with its compact design and rechargeable feature making it the prime choice for travel enthusiasts. It's the go-to for those seeking spur-of-the-moment blends without the constraints of cords and outlets.

Yet, when performance enters the equation, the KOIOS 800W Bullet asserts dominance. Beyond smoothly creating frozen delicacies, it also excels in extracting nutrients from tougher ingredients like leafy greens, raw nuts, and dried berries—a feat the OBERLY lags behind. Its charm is further augmented by an extensive set of accessories designed specifically for grinding dry.

Ultimately, the decision boils down to individual needs: whether you're captivated by the freedom OBERLY offers or the robust blending capabilities of the KOIOS 800W Bullet.

Pros & Cons

  • Cordless design provides excellent mobility. 
  • Quite convenient for small batches of baby food and fresh fruit smoothies.
  • It’s very easy to charge the battery.
  • Competitive price tag 
  • Extra extractor blade for dry blending 
  • Powerful motor allows for a wide range of tasks 
  • Two blending cups are included 
  • Intuitive to use 
  • The blades can be removed from the base for thorough cleaning
  • The 175-watt motor is too weak to ensure quick, smooth blends.
  • In exchange to its cheap price is a relatively flimsy construction. 
  • For a thorough blending process, it requires cutting the food into tiny particles. 
  • Some may find it annoying to shake the blender while it is blending.
  • No option for hands-free operation

Key Specs

Dimension
H9.2 x W3.2 inches
H12.2 x W5.5 inches
Weight
1.0 lbs (0.5 kg)
2.9 lbs (1.3 kg)
Number of speeds
1
1
Pulse/Turbo option
No
No
Dishwasher-safe wand
Yes
Yes
Accessories
Cup Filter
4 lids, an extra blade assembly, a cleaning brush, two extra blending cups

Where to Buy

Price at publication
$35.35
$60.22

*You help support HealthyKitchen101's product testing and reviews by purchasing from our retail partners.

Analysis and Test Results

Performance

Overall Performance Scoring
0.0
7.1

Protein Shake

0.0
9.2
KOIOS 850W Bullet Protein Shake Video
A batch of protein shake packed with dried blueberries, oatmeal, and almonds prepared by the KOIOS Bullet Personal Blender is checked for smoothness by being drained through a stainless steel mesh strainer, with a smartphone displaying the total blending time (56 seconds) next to it.
A couple of unblended almond chunks of the KOIOS Bullet being scooped from the mesh strainer with a stainless steel spoon.
Blending Time
N/A
56 secs
Result
Failed
Smooth

Frozen Fruit Smoothie

0.0
8.0
A spoon of fruity smoothie packed with blueberries, blackberries, strawberries, and mango made by the OBERLY portable blender with a smartphone displaying the total blending time ( 1 minute and 40 seconds) next to it.
A spoon of fruity smoothie packed with blueberries, blackberries, strawberries, and mango made by the OBERLY portable blender with a smartphone displaying the total blending time ( 1 minute and 40 seconds) next to it.
To check for solid chunks, after finishing blending, the fruity smoothie made by the OBERLY personal blender is spread throughout a white paper.
KOIOS 850W Frozen Fruit Smoothie Video
To check for solid chunks, after finishing blending, the fruity smoothie made by the KOIOS Bullet single-serve blender is spread throughout a white paper with a smartphone displaying the total blending time ( 1 minute and 20 seconds) next to it.
A spoon of fruity smoothie packed with blueberries, blackberries, strawberries, and mango made by the KOIOS Bullet Blender.
Blending Time
2 mins
1 min 20 seconds
Result
Failed
Silky Smooth

Fibrous Greens

0.0
5.0
KOIOS 850W Fibrous Greens Video
A glass of water with fibrous greens pulp produced by the KOIOS Bullet Single-Serve Blender.
A glass of water with fibrous green pulp produced by the KOIOS Bullet Personal Blender sinking from its top to bottom.
Blending Time
20 seconds
20 seconds
Result
Failed
Very Coarse

Crushed Ice Cubes

0.0
0.0
KOIOS 850W Crushed Ice Video
A black tray of crushed ice produced by the KOIOS Personal Blender being on a table.
The amount of unblended ice cubes (4.61 oz) of the KOIOS Bullet single-serve blender displayed on a scale’s screen.
Ice Fineness
Coarse
Coarse
Unblended Ice
100% of 6 oz
77% of 6 oz

Design

Overall Design Scoring
5.9
8.3

In the Box

The OBERLY personal blender lying on a table with a paper carton box, user guide, and warranty card by its sides.
The KOIOS Bullet personal blender lying on a table with its accessories, including two lids, two additional blending cup with lids, a paper carton box, an additional blade assembly, a cleaning brush, and a user guide.

Dimensions

The OBERLY standing on a table, with the length of its motor base being noted to the side as 4.2 inches, and the total length and width of the unit as 9.2 inches and 3.2 inches, respectively.
Koios Pro 850W Bullet Personal Blender standing on a gray table, with the length of its motor base being noted to the side as 7.2 inches, and the total length and width of the unit as 12.2 inches and 5.5 inches, respectively.
Height
9.2" (23.4 cm)
12.2" (31.0 cm)
Width
3.2" (8.1 cm)
5.5" (14.0 cm)
Weight
1.0 lbs (0.5 kg)
2.9 lbs (1.3 kg)

Build Quality

6.5
8.0
The motor base and blending cup of the OBERLY blender.
The motor base and blending cup of the KOIOS Bullet single-serve blender lying side by side on a gray table.

Blades

5.0
7.5
The blade assembly features 6 stainless steel prongs attached to the OBERLY’s motor body.
A close-up of the flat blade assembly featuring 2 prongs of the KOIOS Bullet personal blender.
A close-up of the flat blade assembly featuring 2 prongs of the KOIOS Bullet personal blender.
A close-up of the blade assembly featuring 4 prongs of the KOIOS Bullet personal blender.
Material
Stainless Steel
Stainless Steel
Type
Cross
Flat and Cross
Blade Count
6 blades
(Flat) 2 blades, (Cross) 4 blades
Removable
No
Yes
Dishwasher Safe
No
No

Motor Base

The OBERLY motor base standing on a white table
The motor base of the KOIOS Bullet personal blender standing on a white table.
The motor base of the KOIOS Bullet personal blender standing on a white table.
A close-up of the motor base of the KOIOS Bullet personal blender.
Rated Voltage
N/A
120 V
Rated Power
175 Watts
850 Watt
Working Time
90 seconds
≤ 1 minute
Protection
Yes
No
Weight
0.5 oz (14 g)
2.4 lbs (1.1 kg)
Cord Length
NaN" (NaN cm)
4.1 ft (1.2 m)
Extra Feature
Silicone feet
suction feet, ventilation holes

Blending Cup

5.0
10
A close-up of the OBERLY’s lid
A close-up of the OBERLY’s lid
A close-up of the OBERLY’s filter
Three blending cups of the KOIOS Bullet on a table, with dimension measurements written to the side. The first cup is measured 3.4x4x2.2 inches, second cup is 3.4x6.5x2.2 inches, third cup is 3.4x6.5x2.2 inches.
Three blending cups of the KOIOS Bullet on a table, with dimension measurements written to the side. The first cup is measured 3.4x4x2.2 inches, second cup is 3.4x6.5x2.2 inches, third cup is 3.4x6.5x2.2 inches.
The blending cup of the KOIOS Bullet personal blender standing on a table with dimension measurements written to the side (3.4x4x2.2 inches).
The blending cup of the KOIOS Bullet personal blender standing on a table with dimension measurements written to the side (3.4x6.5x2.2 inches).
Material
Plastic
Plastic
Capacity
380 ml
10 oz, 17 oz, and 17 oz
Weight
1.0 oz (28 g)
0.2 lb, 0.23 lb, and 0.34 lb
Dishwasher Safe
Yes
Yes
Measurement
No
No
Suitable For
Small batches
Small batches
Accessories
Lid, filter
two spout lids, one flat-top lid, one sieve lid

Speed and Controls

Someone is measuring the noise level of the Oberly personal blender with the noise meter (65.2 dB).
Someone is measuring the noise level of the KOIOS personal blender with the noise meter (96.9 dB).
Activation
Button
Push
Min Speed
N/A
N/A
Max Speed
9,802 RPM
22,648 RPM
Presets
No
No
Noise Level
65 (db)
97 dB
Digital Display
No
No
Pulse Mode
No
No

Usability

Overall Usability Scoring
4.9
7.3

Hands-Free Operation

3.0
5.7

Assembly

7.5
10

Cleanability

8.0
9.5

Behind the Comparison

Headshot of Tina Pham
Tina PhamReviewer

Tina Pham is a staff writer and reviewer, with five years of experience in the industry. As a passionate amateur home cook, she loves to discover practical cooking solutions, and has made it her mission to bring her findings to every kitchen. Her ultimate goal is making cooking more of a pleasure for all.

Headshot of Lap Vo
Lap VoTest Lead

Lap is Head of the Research, Testing, and Review Team (RTR Team) at HealthyKitchen101.com, where he directs and supervises the testing of kitchen gadgets and appliances.

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Nguyen NtkVisual Specialist

Nguyen Ntk is a graphic designer, photographer, and videographer whose philosophy centers around respecting and celebrating the beauty of reality. Through his lenses, Nguyen strives to capture the true essence of objects and events, showcasing and highlighting authentic features without distortion or exaggeration.

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