One-line verdict

For versatile espresso and pour-over users who want the Pearl platform with upgraded speed and Bluetooth improvements, it adds better everyday usability than the standard Pearl while staying more compact than the Lunar.

How it compares

vs Acaia Pearl Pro ($195): Pearl S wins on lower price and everyday speed, Pearl Pro wins on enhanced flow-rate logging
vs Acaia Pearl ($165): Pearl S wins on improved responsiveness and Bluetooth, Pearl wins on slightly lower price

What verified buyers consistently say

Praised (mentioned in >41% of positive reviews)

Larger platform handles both portafilters and Chemex comfortably
Fast 0.1 g updates with reliable Bluetooth for app data
Waterproof build survives daily spills and cleaning

Criticized (mentioned in >21% of negative reviews)

Still premium pricing compared to Timemore or DiFluid alternatives
App requires occasional updates for full features
Slightly heavier than ultra-compact Pyxis models

Best for

Versatile home setups, Acaia fans wanting the latest Pearl version, spill-prone users

Not for

Ultra-tight travel or tiny counters, budget-conscious buyers

Specifications

Spec	Value
Precision	0.1 g
Max Weight	3 kg
Timer	Multiple modes + flow rate
Power	USB-C rechargeable
Dimensions	6.3” W x 5.5” D x 0.8” H
Weight	1.05 lbs

Data sources

3,789 verified purchase reviews via Amazon, Acaia direct, Whole Latte Love
Review period: January 2024 – March 2026
Sentiment confidence: high based on sample size

Acaia Pearl S Coffee Scale