Steady Matcha vs Marukyu-Koyamaen
A fair, data-driven comparison. All safety data carries source, lab, and date.
Steady MatchaUs
Marukyu-Koyamaen
Origin
Uji, Japan
Uji, Japan
Grade
ceremonial
ceremonial
Price/g
$0.89
$1.13
Transparency tier
Tier 1
Tier 4
Publishes numeric COA
COA published
Organic cert
JAS
None
Lead (ppb)
COA publishing at launch (Sept 2026)
Not disclosed
| Feature | Steady MatchaUs | Marukyu-Koyamaen |
|---|---|---|
| Origin | Uji, Japan | Uji, Japan |
| Grade | ceremonial | ceremonial |
| Price/g | $0.89 | $1.13 |
| Transparency tier | Tier 1 | Tier 4 |
| Publishes numeric COA | ||
| COA published | ||
| Organic cert | JAS | None |
| Lead (ppb) | COA publishing at launch (Sept 2026) | Not disclosed |
Verdict
Both Steady Matcha and Marukyu-Koyamaen are legitimate matcha options. The key differentiator is transparency: Marukyu-Koyamaen publishes a full COA with specific heavy metal values from a named, accredited lab. Neither brand currently publishes a full per-batch COA - we recommend asking both for their latest lab results before purchasing.
All data in this comparison is sourced from publicly available COAs and third-party testing. Steady Matcha does not conduct or claim ownership of third-party test results for other brands.