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Gorilla Grip 3-Stage vs Mueller 4-Stage Sharpener Side-by-Side Comparison

Gorilla Grip 3-stage vs. Mueller 4-stage sharpener: Check out how they compare when faced with the same sharpening tasks.

Gorilla Grip 3-Stage vs Mueller 4-Stage Sharpener: Different Designs, Similar Results


Price at publication
Scissor sharpener
Diamond, tungsten carbide, ceramicDiamond, tungsten carbide, ceramic
Grit size
Coarse, Medium, FineCoarse, Medium, Fine
L7.9 x W1.9 x H3.0 inchesL9.3 x W1.8 x H3.1 inches


Build Quality
Overall Design Scoring

The Gorilla Grip looks almost identical to the Amesser and the Kitchellence: It has a tall but weighted body, a tapered base, an ergonomic grip, and a soft cover. Unfortunately, the shaky base and the poorly fitted rubber pad set it back by a few points.

Despite its affordable price, the Muller 4-stage sharpener has a strong, solid build, substantial abrasives, and tightly-fitting parts. It has a nice fit and finish and a spacious grip that’s comfortable to the touch. However, a lower working section would offer better control and stability.


Slot Arrangement
Pulling Through
Stability on a Clean Surface
Stability on a Wet and Dirty Surface
Overall Usability Scoring

With a straightforward design, the Gorilla Grip is easy to use. We didn’t record any difficulty while inserting the knife or pulling it through the device’s sharpening slots. Stability could be improved, but we didn’t have to tire our wrists to keep it in place during sharpening.

Though the Mueller is a bit tall, it offers decent balance and stability. Its large size and substantial abrasives give you a lot of confidence when sharpening. The slot layout could be improved, in our opinion, but it doesn’t pose much of a problem in terms of usability.


Sharpening Time to Cut a Lemon
Maximum Sharpness Achieved
Edge Smoothness
Material Retention
Overall Performance Scoring

The Gorilla Grip seems to be the opposite of the Kitchellence in this regard. It sharpens quickly and effectively but can peel off a lot of material from your blade. Despite the ‘Polish’ slot, our test knife ended up with a rough, uneven edge.

It won’t make your knife razor-sharp, but the Mueller takes little time getting a dull edge ready for common cutting tasks in the kitchen. Contrary to its twin, the Longzon, however, it eats away the blade and leaves a rough, uneven edge.

Overall Scores

Ease of Use
Overall Scoring

Pros & Cons

  • Substantial sharpening rods
  • Solid construction
  • Intuitive order of sharpening slots
  • Ergonomic grip
  • Strong construction, pretty coloring
  • Quick sharpening
  • Scissor slot
  • Ease of use
  • Tapered and bumpy base
  • Poorly fitted rubber feet
  • High center of gravity
  • Harsh on the knife edge


The Gorilla Grip 3-stage and the Mueller 4-stage sharpeners have more similarities than differences.

Both devices feature three sharpening slots for kitchen knives—the Mueller having an extra one for scissors. Despite the difference in slot order, they are among the top performers in terms of speed—the Mueller being slightly faster—and sharpness. The two are also among the least forgiving when it comes to preserving edge smoothness and saving knife material.

Both sharpeners sport a substantial body with an ergonomic handle. The Gorilla Grip is a few points behind due to its bumpy base and subpar finish. The Mueller has a high center of gravity, which isn’t good for balance and stability, but some users may find its scissors slot a handy plus.

Behind the Comparison

Headshot of Anh Ngo
Anh NgoReviewer

Anh Ngo is a writer with 9 years experience at different media outlets, covering from public news and events to product testing and analysis. At HealthyKitchen101, she works across different departments, communicating closely with its network of writers, editors, and health, tech, and search engine experts to provide a meaningful and pleasant reading experience for visitors.

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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