Fellow Opus vs 1Zpresso J-Max — Which Should You Buy?

Side-by-side comparison of Fellow Opus and 1Zpresso J-Max. We compare specs, performance, and value to help you decide.

Updated 2026-03-09 Independently reviewed
Fellow Opus

Fellow Opus

8.5/10
$195 /one-time
VS
1Zpresso J-Max

1Zpresso J-Max

8.8/10
$199 /one-time

Feature Comparison

Feature Fellow Opus 1Zpresso J-Max
Burr Type Flat (40mm) Conical (48mm)
Burr Material Stainless steel Stainless steel
Grind Settings 6-point + micro (41 total) 8.8 micron/click
Dosing Manual Single-dose
Retention ~2.5g Near zero
Motor DC Manual
Hopper Capacity 100g —
Weight 3.2kg 0.7kg
Noise Level ~72 dB Minimal
Warranty 2 years 2 years
Capacity — 35g

Fellow Opus

Pros

  • ✓Flat burrs at budget price
  • ✓Anti-static design
  • ✓Compact
  • ✓Sleek design
  • ✓Good for espresso and filter
  • ✓Easy to use

Cons

  • ✗6-point adjustment can be finicky
  • ✗Some find steps too coarse

1Zpresso J-Max

Pros

  • ✓Exceptional precision
  • ✓Portable
  • ✓Zero retention
  • ✓No electricity needed
  • ✓Durable build
  • ✓Great for travel

Cons

  • ✗Manual effort required
  • ✗Slower than electric

Our Verdict

Fellow Opus

The best-looking budget grinder with flat burrs—perfect for design-conscious beginners.

Limited Offer — Check Today's Price

1Zpresso J-Max

The best manual grinder for espresso—rivals $500+ electrics in cup quality.

Limited Offer — Check Today's Price

Our Methodology

We test each grinder for consistency, retention, and espresso extraction quality. No manufacturer has editorial influence.

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