Acaia Pearl S
Acaia accessory · $220 · mid tier
Overview
The Acaia Pearl S is the specialty-coffee scale standard. While most kitchen scales offer 1-gram resolution and slow response times, the Pearl S resolves to 0.1g with a 50-millisecond response — fast enough to track espresso shot weight in real time as it pours.
The 0.1g resolution matters most for espresso. Dialing in a recipe (e.g. 18g in, 36g out in 28 seconds) requires precision that drip-coffee scales can’t deliver. The Pearl S handles this and the corresponding pour-over recipes equally well, with app integration that lets the user save and replay recipes across sessions.
The question is whether the premium over a $30-50 kitchen scale is justified. For pour-over brewing at the recipe-following level, a basic scale plus a stopwatch covers 90% of the use case. The Pearl S earns its price for users who tune recipes, weigh espresso shots in real-time, or want the smoothest workflow available — not for users who just need to measure beans.
Pros
- 0.1g resolution with 50ms response — the specialty coffee scale standard
- Bluetooth integration with the Acaia app for recipe tracking
- USB-C rechargeable; battery lasts weeks per charge
- Programmable brewing modes for pour-over and espresso
Cons
- Premium pricing for a kitchen scale
- Maximum 2kg capacity limits use beyond coffee brewing
- App requirement for full features may put off scale purists
Specifications
| Brand | Acaia |
|---|---|
| Type | accessory |
| Price (USD) | $220 |
| Price tier | mid |
| capacity g | 2000 |
| resolution g | 0.1 |
| response ms | 50 |
| bluetooth | true |
| app integration | true |
| rechargeable | true |
| primary use | brewing scale |
Best for
- pour over
- espresso shots
- recipe development
- competition-level brewing
Frequently Asked Questions
Who is the Acaia Pearl S best for?
The Acaia Pearl S is best suited for pour over, espresso shots, recipe development. Tags: scale, brewing-tools, pour-over, espresso, premium-accessory.
How much does the Acaia Pearl S cost?
The Acaia Pearl S retails around $220 USD, placing it in the mid tier for accessorys.
What are the main downsides of the Acaia Pearl S?
Premium pricing for a kitchen scale Maximum 2kg capacity limits use beyond coffee brewing App requirement for full features may put off scale purists
What is the ASIN for the Acaia Pearl S?
The Amazon ASIN is B0BC4FQDD1. You can check current pricing and availability on Amazon directly.
Last updated: 2026-05-04