Fellow Opus Conical Burr Grinder vs Niche Zero
Budget electric all-rounder versus single-dose endgame grinder. The Fellow Opus at $195 is a quiet, design-forward single-dose grinder with passable espresso. The Niche Zero at $629 has 63mm conical burrs, near-zero retention, and a 100 RPM motor for top-tier all-round grinding. Choose the Opus for value and design; choose the Niche for grind quality and zero waste.
Spec face-off
Bars scaled to the higher value. Coloured = wins that spec.
Full specifications
Strengths & weaknesses
Full comparison
Both are single-dose grinders, but at very different tiers. The Opus grinds bean-by-bean at a button press, runs quiet, looks great, and reaches espresso via a hidden inner ring, handling filter well — a strong value all-rounder. The Niche Zero is an endgame single-doser: 63mm conical burrs, stepless adjustment, and a 100 RPM motor delivering near-zero retention and room-temperature grounds that preserve aromatics, with genuine espresso-to-French-press range and no compromises.
Grind quality and retention strongly favor the Niche — cleaner, cooler, more uniform grounds and essentially zero waste, versus the Opus's fiddly espresso dialing, static at fine settings, and some retention. The Niche is a perennial r/espresso top pick.
Price and accessibility favor the Opus. At less than a third of the Niche's $629, it covers filter well and dabbles in espresso for a fraction of the cost; the Niche is for a committed enthusiast who single-doses by weight, wants the best all-round grind, and accepts ~35 seconds per espresso dose and no Amazon availability.
Buy the Fellow Opus ($195) for value, quietness, and design in a single-dose all-rounder. Buy the Niche Zero ($629) for endgame grind quality, near-zero retention, and all-round capability.