Reddit rates both Buy If. The split is what you want: the Single-Dose Grinder — buy it if you value value and reliability — what owners repeat most. The Zero — buy it if you want a grinder that stays reliable and fits naturally into a daily espresso routine. Today's gap is $230: $369 for the Single-Dose Grinder against $599 for the Zero.


Built from 1,976 owner opinions across both products · 195 long-term reports · how we decide
73% would buy againof 888 owners
First 6 months 82% → long-term 71%−11of 77 long-term owners
72% would buy againof 1,088 owners
First 6 months 90% → long-term 91%+1of 118 long-term owners
The power button
~1 in 6 long-term owner reports mention a failure, most often the power button, typically inside the [1,13) month window. Reports that mention warranty mostly say it landed outside coverage.
Typically reported months 1–12 · 77 long-term owners
The motor
~1 in 39 long-term reports mention a failure — the lowest failure rate of the 6 coffee grinders we track, and well below the category baseline of 14%. Motor is the most noted component (4 reports). Warranty outcomes are evenly split between resolved and unresolved, so coverage isn't a guarantee.
118 long-term owners
These are the share of long-term owner reports that mention a failure, not the share of units that fail — owners with working units mostly don’t post.
$369typically $380
$599typically $629
Gap today: $230 — Single-Dose Grinder is the cheaper buy.
Price links carry an affiliate tag. It never changes the verdict.
value and reliability — what owners repeat most
workflow refinement and long-term reliability matter more to you than upfront cost.
Reddit rates both Buy If. The split is what you want: the Single-Dose Grinder — buy it if you value value and reliability — what owners repeat most. The Zero — buy it if you want a grinder that stays reliable and fits naturally into a daily espresso routine.
The Zero, by the numbers: 1% of its long-term reports mention a serious failure against 10% for the Single-Dose Grinder. What separates them is what fails — power button on the Single-Dose Grinder, motor on the Zero. Warranty outcomes differ more: 50% of Zero claims were resolved against 19% for the Single-Dose Grinder.
At $599 against $369 today, the Zero costs 62% more and carries the same verdict tier.
Single-Dose Grinder full verdict →Zero full verdict →All Coffee verdicts →