Built around the same 63mm Mazzer conical burrs found in commercial grinders costing several times as much, in a compact single-dose design with virtually no retention. The reference point most other single-dose grinders get compared against.
See the full DF64 vs. Niche Zero comparison.
See the full grinder comparison for all 8 grinders we cover.
| Criterion | Weight | Finding | Score |
|---|---|---|---|
| Grind consistency | 35% | Conical burr tuned specifically for single-dosing consistency across espresso and filter | 9.0 |
| Retention & workflow | 25% | Best-in-class near-zero retention, the defining feature of this grinder | 9.5 |
| Warranty & parts | 20% | Direct-from-manufacturer support, 2-year warranty | 9.0 |
| Value in tier | 20% | Premium price, but the retention performance genuinely justifies it | 8.0 |
Full methodology and how this compares to the other 7 grinders we cover: full grinder comparison.
Niche Zero — official manufacturer page. Research-based comparison: built from published manufacturer specifications, documented warranty terms, and publicly available owner and professional feedback, not hands-on lab testing. See our editorial standards for what that means.