Directory/Coffee Grinders/Tuni G3 Commercial Grade 64mm Flat Burr Coffee Grinder, 100 Grind Settings Electric Espresso Grinder with Single Dose, Touchscreen Display & Anti-Static Tech, All-Metal Stainless Steel Body, Ivory
Tuni G3 Commercial Grade 64mm Flat Burr Coffee Grinder, 100 Grind Settings Electric Espresso Grinder with Single Dose, Touchscreen Display & Anti-Static Tech, All-Metal Stainless Steel Body, Ivory
Tuni · Coffee Grinders

Tuni G3 Commercial Grade 64mm Flat Burr Coffee Grinder, 100 Grind Settings Electric Espresso Grinder with Single Dose, Touchscreen Display & Anti-Static Tech, All-Metal Stainless Steel Body, Ivory

6.5/ 10
Testwise score
Confidence: MEDIUM · scored on full spec sheet

"It puts 64mm flat burrs on your counter for under $200, with all the expected compromises."

$198
at Amazon · price checked today
See it at Amazon
The catch
It's priced like an entry-level grinder because the most crucial components—the motor and the burrs themselves—are built to that same entry-level price.
The breakdown
4 axes, scored the same way across every coffee grinders we log.
Grind Quality6.0
Consistency7.0
Build & Longevity5.0
Price Honesty8.0
Spec, translated

The 64mm flat burrs provide a larger cutting surface than typical entry-level grinders, which in theory produces more uniform grounds with less heat. In reality, actual performance hinges on burr alignment and the quality of the steel, which are complete unknowns at this price point.

Lab notes
The observations that actually change the buying decision.
01
The 64mm stainless steel burrs are the headline feature. However, the lack of specifics on alloy, hardness, or geometry suggests they are generic stock, not the high-performance burr sets found in premium grinders.
02
Claiming 'Commercial Grade' is purely marketing. The motor power and thermal limits are not specified, making this a home prosumer unit, not a machine for cafe duty cycles.
03
A stepless adjustment mechanism is a genuine asset for dialing in espresso. The confusing packaging note about it being 'non-stepless' signals a rushed product launch or poor quality control on documentation.
04
While an 'all-metal stainless steel body' provides good mass and stability, ultimate longevity depends on the internal components—motor, burr carrier, and electronics—which are the most likely points of cost-cutting.

Why you should buy

This grinder is for the budget-constrained hobbyist who wants to experiment with a 64mm flat burr platform for espresso. It delivers the core features—large burrs, stepless adjustment—without the $400+ price tag, assuming the user accepts the risks of an unknown motor and burr set.

Why you should skip

Anyone prioritizing proven reliability and a 'buy it for life' build should look to established brands with service networks and parts availability. Users grinding demanding light-roast beans may find an unstated motor stalls or overheats, negating the benefits of the large burrs.

What buyers actually say
Themes pulled from real owner reviews, not marketing copy.

Pros

  • Offers 64mm flat burrs at a sub-$200 price
  • Stepless adjustment allows for fine-tuning espresso
  • Single-dosing workflow minimizes bean waste
  • All-metal body adds weight and stability
  • Features touchscreen and anti-static technology

Cons

  • Motor power and duty cycle are not specified
  • Burr material and geometry quality are unknown
  • 'Commercial grade' label is misleading for a home unit
  • Long-term reliability is a major question mark
  • Conflicting product documentation raises quality concerns
Full specifications
Source: manufacturer + retail catalog · synced today.
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Tuni Tuni G3 Commercial Grade 64mm Flat Burr Coffee Grinder, 100 Grind Settings Electric Espresso Grinder with Single Dose, Touchscreen Display & Anti-Static Tech, All-Metal Stainless Steel Body, IvoryPENDING · Coffee Grinders
$198See it at Amazon