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Acaia Pearl S vs Acaia Lunar

A detailed side-by-side comparison to help you choose between these two popular brew scales.

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Quick Verdict

The Acaia Pearl S takes the edge with a 4.5/5 rating vs 4.4/5. The Acaia Pearl S is also 36% cheaper at $160 vs $250.

Acaia

Acaia Pearl S

4.5/5 $160

The Acaia Pearl S is the professional's choice, offering unmatched precision, app connectivity, and build quality for serious brewers who geek out over data. Everyone else will find it hard to justify the price over a $60 Timemore.

Acaia

Acaia Lunar

4.4/5 $250

The Acaia Lunar is the professional espresso scale, purpose-built to sit on a drip tray and deliver instant, precise feedback during shots. Home pour-over brewers are better served by the Pearl S, but for anyone pulling espresso seriously, the Lunar's compact footprint and flow rate features are unmatched.

Spec Comparison

Spec Acaia Pearl S Acaia Lunar
MSRP $160 $250
Rating 4.5/5 4.4/5
Max Capacity 2000g 2000g
Precision 0.1g 0.1g
Timer Yes Yes
Auto Start Yes Yes
Weight Grams 310 270
Bluetooth Connectivity Yes Yes

Pros & Cons

Acaia Pearl S

Pros

  • + Bluetooth app integration logs brew recipes and tracks extraction data
  • + Ultra-responsive 0.1g precision with minimal drift over time
  • + Sleek, waterproof design handles spills without worry

Cons

  • - By far the most expensive coffee scale on the market
  • - App can be buggy and requires frequent updates

Acaia Lunar

Pros

  • + Ultra-compact form factor fits perfectly on espresso machine drip trays
  • + Real-time flow rate indicator helps refine pour-over and espresso technique
  • + Water-resistant anodized aluminum body handles coffee shop abuse

Cons

  • - Premium price is difficult to justify for home brewers over the Acaia Pearl S
  • - Bluetooth app can be sluggish and occasionally drops connection mid-brew

Bottom Line

Choose the Acaia Pearl S if...

You want the more affordable option. You want the higher-rated product overall. Bluetooth app integration logs brew recipes and tracks extraction data.

Choose the Acaia Lunar if...

Ultra-compact form factor fits perfectly on espresso machine drip trays.