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Mueller HyperGrind Precision Review

This grinder has all the disadvantages of a blade model without many redeeming qualities
Mueller HyperGrind Precision
Credit: Breville
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Price:   $30 List | $19.97 at Amazon
Pros:  Inexpensive, relatively quiet for a blade model
Cons:  Inconsistent grinds, messy, hard to clean
Manufacturer:   Mueller
By Max Mutter and Michelle Powell  ⋅  Aug 9, 2021
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44
OVERALL
SCORE


RANKED
#14 of 14
  • Grind Consistency - 35% 4
  • Cleanliness - 25% 4
  • User Friendliness - 25% 5
  • Noise - 15% 5

Our Verdict

While the Mueller HyperGrind Precision is quieter than many competing blade grinders on the market, it didn't particularly impress us in any of our other tests. Like all blade models, it grinds quite inconsistently, it tends to make a bit of a mess while you're using it, and the permanently affixed grind cup makes it nearly impossible to clean the machine thoroughly. Even if you're willing to sacrifice grind consistency in order to pay less for a blade grinder, we wouldn't recommend this model.

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Price $30 List
$19.97 at Amazon
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Pros Inexpensive, relatively quiet for a blade modelGreat grind consistency, intuitive interface, relatively clean and quietGood grind consistency, relatively inexpensiveRelatively clean and easy to use, quieter than most blade modelsCheaper than a burr model, very little spillage
Cons Inconsistent grinds, messy, hard to cleanNot ideal for coarser grinds, expensiveSomewhat loud, can make a messProduces inconsistent grindsMore expensive than many other blade models, inconsistent grinds
Bottom Line This grinder has all the disadvantages of a blade model without many redeeming qualitiesThis grinder provides top-notch performance in every category except for the coarsest of grindsExcellent performance and one of the best values on the market make this a great choiceOne of the better blade models on the market, but definitely don't expect it to produce consistent grindsA standard blade model that may be a bit more expensive than many are hoping
Rating Categories Mueller HyperGrind... Breville the Smart Pro Bodum Bistro Mr. Coffee 12 Cup E... KitchenAid Blade
Grind Consistency (35%)
4.0
8.0
7.0
4.0
3.0
Cleanliness (25%)
4.0
8.0
6.0
6.0
6.0
User Friendliness (25%)
5.0
9.0
6.0
6.0
6.0
Noise (15%)
5.0
8.0
3.0
6.0
5.0
Specs Mueller HyperGrind... Breville the Smart Pro Bodum Bistro Mr. Coffee 12 Cup E... KitchenAid Blade
Grinding Mechanism Blade Conical burr Conical burr Blade Blade
Burr/Blade Material Stainless steel Stainless steel Stainless steel Stainless steel Stainless steel
Dosing Mechanism Manual Timer Timer Timer Manual
Best Brew Application Pour over, french press Pour over, espresso Pour over, french press Pour over, french press Pour over, french press
Dimensions 7.8" x 4.5" x 4.3" 12.5" x 8.5" x 16.3" 7.6" x 7.1" x 12.5" 5" x 5" x 9" 7.1" x 4.1" x 3.7"
Weight 1.45 lbs 6.4 lbs 3.2 lbs 1.7 lbs 2.6 lbs
Cup Material Plastic Plastic Plastic Plastic, metal Metal

Our Analysis and Test Results

While the HyperGrind Precision generally functions like most other blade grinders on the market, some extra annoyances with its cleanliness and ease of use dropped it to the bottom of our scoresheets.

Performance Comparison


The price is right but other than that we didn't love this grinder.
The price is right but other than that we didn't love this grinder.
Credit: Jenna Ammerman

Likes


The most pleasing thing (or, more accurately, the least displeasing) thing about the HyperGrind Precision is the noise that it emits. One generally expects a blade grinder to sound a bit like a plane propellor crashing through a jungle canopy, but the HyperGrind manages to keep its noise relatively innocuous and at a fairly low-medium pitch. Still, it does create quite a cacophony for a few seconds before the beans break down a bit.

Apart from not sounding as grating as some other blade models, our only accolade for the HyperGrind is its price. It is a lot cheaper than all of the burr models we tested and is on the lower end of the price spectrum when it comes to blade grinders as well.

The HyperGrind often spills grinds when you remove the cap.
The HyperGrind often spills grinds when you remove the cap.
Credit: Jenna Ammerman

Dislikes


Unfortunately, our list of dislikes for this machine is longer than our list of likes. First off, like all of the blade grinders on the market, the HyperGrind fails to create a consistent grind size. This is because the blades randomly slice through the pile of beans with no way to control the actual size of the particles it produces. This results in a different amount of large and small grinds every time you make coffee and is likely going to result in a different taste and sub-optimal extraction every time. This is the big sacrifice you make with a blade grinder, with the only other option being spending magnitudes more on a burr grinder.

A good amount of coffee gunk sticks to the hard to clean grinding...
A good amount of coffee gunk sticks to the hard to clean grinding chamber.
Credit: Jenna Ammerman

Our biggest gripe with the HyperGrindis the mess that it makes when you use it. This comes from the large amount of fine coffee dust that is produced, which sticks all over the grind cup and generally must be cleaned off with a brush or rag. That stuck coffee also makes pouring the grinds into your coffee maker less than predictable, as sometimes the grinds pour slowly and smoothly, and sometimes you get a sudden coffee avalanche. This resulted in us dumping a good amount of grinds onto the counter while using this machine.

The problem of small grinds gunking up the machine is made worse by the fact that you cannot remove the cup with the actual blades in it. This makes it nearly impossible to get the blades fully clean, as you can't run them under a faucet or put them in the dishwasher.

The common aftermath of using the HyperGrind.
The common aftermath of using the HyperGrind.
Credit: Jenna Ammerman

Value


The HyperGrind Precision is quite inexpensive. However, we've found similarly inexpensive blade grinders that we've liked slightly better. In general, we've found the differences between blade grinders to be small, but if we're splitting hairs, we would say there are better values to be found in other blade grinders.

Conclusion


The Mueller HyperGrind Precision was one of our least favorite grinders, but it also sells for a rock-bottom price. If you need a backup grinder for coffee or spices, this can do the trick — we just recommend having something better for regular coffee use.

Max Mutter and Michelle Powell