Coffee Grinders · owner-verdict comparison

1Zpresso J-Ultra vs Timemore 064S: what real owners say

Real owners lean toward the Timemore 064S: 73% of 55 owners recommend it, vs 56% of 52 for the 1Zpresso J-Ultra.

Verdicts aggregated from Reddit, enthusiast forums, and YouTube owner comments — affiliate reviews excluded. Sample sizes differ; judge accordingly. How we score

1Zpresso J-Ultra

56%of 52 owners recommend

56% recommend · 32% neutral · 12% don't

Owners praise

Exceptional espresso grind quality and fine-tuning precision, letting owners dial in shots very finely and consistently
Solidly built, easy to use, take apart and clean, with virtually no retention
Compact and portable, making it a favorite travel grinder

Owners complain about

Grinding takes real physical effort, especially with light roasts, and some owners report wrist or hand strain severe enough to switch to an electric grinder
Build-quality complaints about parts detaching or wearing: the knob and grip wrap coming loose, the magnetic catch cup or bottom falling off and spilling grounds, and wood handle issues

Full owner report →

Timemore 064S

73%of 55 owners recommend

73% recommend · 14% neutral · 13% don't

Owners praise

Genuinely pulls double duty, dialing in well for both espresso and pour over / filter
Very low to near-zero retention, several owners measuring under 0.1g
Grind quality and burr alignment rated ahead of the DF64 and Fellow Ode

Owners complain about

Espresso range feels compressed and the dial is fiddly to dial in finely
Burrs are awkward to remove for cleaning
Internals felt poorly engineered to owners who took it apart

Full owner report →

Which should you buy?

Get the 1Zpresso J-Ultra if

✓Espresso lovers wanting fine-grained dial-in precision for consistent shots
✓Travelers who want a compact, portable manual grinder for on-the-go brewing
✓Home baristas grinding dark or medium roasts daily without much hassle
✓Buyers who value low retention and easy disassembly for cleaning

Skip it if

Anyone with wrist or hand strength issues, since fine espresso grinds take real effort
Light roast drinkers, who report much harder, slower grinding results

Get the Timemore 064S if

✓Home baristas wanting a low-retention single-dose grinder
✓People grinding for both espresso and pour over
✓Small apartment kitchens needing a compact footprint
✓Mid-range upgraders wanting polished build and workflow

Skip it if

Espresso users wanting easy fine dial-in; the range feels compressed
Owners who want simple burr removal for cleaning

What 1Zpresso J-Ultra owners say

“shots grinded by K-Ultra are generally having more vibrant taste notes and more stable”
— @BkunS on YouTube

“I have the J-Max and I couldn't be happier”
— @cantrellisgod on YouTube

“it is far from good when it comes to light roasts beans (LR)”
— @juanillo52 on YouTube

What Timemore 064S owners say

“I actually like the opaque hoppers so much more.”
— @CoffeeNo0b0514 on YouTube

“Timemore been killing it lately, excellent scales and drippers and now grinder. You love to see it.”
— @lowhangingvegetable on YouTube

“sometimes, the 064s and 078s would make slightly clumpy grounds not found in other grinders”
— @LanceHedrick on YouTube

1Zpresso J-Ultra vs Timemore 064S: frequently asked questions

Is the 1Zpresso J-Ultra or the Timemore 064S better?

Real owners lean toward the Timemore 064S: 73% of 55 owners recommend it, vs 56% of 52 for the 1Zpresso J-Ultra.

Who should get the 1Zpresso J-Ultra?

Owners point the 1Zpresso J-Ultra at espresso lovers wanting fine-grained dial-in precision for consistent shots, and travelers who want a compact, portable manual grinder for on-the-go brewing.

Who should get the Timemore 064S?

Owners point the Timemore 064S at home baristas wanting a low-retention single-dose grinder, and people grinding for both espresso and pour over.

What do owners complain about?

The most-cited downside of the 1Zpresso J-Ultra is grinding takes real physical effort, especially with light roasts, and some owners report wrist or hand strain severe enough to switch to an electric grinder. For the Timemore 064S, it's espresso range feels compressed and the dial is fiddly to dial in finely.