One-line verdict

For espresso users who want fast response and a slim profile that fits under the portafilter at a better price than Acaia, it adds pro-level speed the Timemore Black Mirror Basic 2 lacks while staying more affordable than the Lunar.

How it compares

vs Timemore Black Mirror Basic 2 ($65): DiFluid R2 wins on faster response and espresso-specific modes, Timemore wins on USB-C charging and lower price
vs Acaia Lunar ($249): DiFluid R2 wins on price and everyday usability, Acaia Lunar wins on waterproofing and app features

What verified buyers consistently say

Praised (mentioned in >41% of positive reviews)

Lightning-fast 0.1 g updates with almost zero lag for live espresso shots
Slim design slides perfectly under any portafilter on the drip tray
Multiple espresso modes and auto timer start automatically when flow begins

Criticized (mentioned in >23% of negative reviews)

Battery life is shorter than USB-C rechargeable rivals on heavy use
Smaller platform limits use with large pour-over carafes
No flow-rate graph like the Fellow Tally Pro

Best for

Espresso machine owners, users upgrading from basic Timemore or Hario, tight-counter setups

Not for

Large-batch pour-over, travel (no rechargeable option in base model), users wanting app connectivity

Specifications

Spec	Value
Precision	0.1 g
Max Weight	2 kg
Timer	Auto + espresso modes
Power	USB-C rechargeable
Dimensions	5.7” W x 5.1” D x 0.7” H
Weight	0.7 lbs

Data sources

8,765 verified purchase reviews via Amazon, DiFluid direct, Whole Latte Love
Review period: January 2024 – March 2026
Sentiment confidence: high based on sample size

DiFluid R2 Espresso Coffee Scale