Four Sigmatic vs Teafy Matcha: 2026 Comparison
This 2026 comparison covers Four Sigmatic and Teafy across price, testing transparency, heavy metal disclosure, and organic certification. Teafy publishes a numeric Certificate of Analysis with specific ppb values from a named lab. Four Sigmatic has not published equivalent numeric results as of the last verification date. Both brands are priced within 5% of each other per gram, so price is not a meaningful differentiator here.
Verdict by Axis
No single overall winner is declared. The better choice depends on which axis matters most to you.
Price per gram
Tie / indeterminate
Both brands are priced within 5% of each other ($0.67/g vs $0.70/g). Effectively a tie.
Testing transparency
Teafy
Teafy is Tier 1 vs Unrated for Four Sigmatic. Lower tier number means more disclosure.
Published lead level
Tie / indeterminate
Teafy publishes a lead value (67 ppb). Four Sigmatic has not published a numeric lead value. Cannot compare directly.
Origin
Tie / indeterminate
One or both brands have not publicly disclosed their leaf origin region.
Organic certification
Teafy
Teafy holds EU certification. Four Sigmatic does not have a publicly confirmed organic certification.
Side-by-Side Spec Table
| Field | Four Sigmatic | Teafy |
|---|---|---|
| Origin | Not disclosed | Kyoto Uji + Shizuoka, Japan |
| Grade | Not specified | Ceremonial |
| Price per gram | $0.67/gBetter | $0.70/g |
| Transparency tier | -- | Tier 1 |
| Publishes numeric COA | No | YesBetter |
| Third-party tested | No | YesBetter |
| Organic certification | None | EU |
| Lead (published) | Not publicly published (checked June 27, 2026) | 67 ppb |
| Cadmium (published) | Not publicly published (checked June 27, 2026) | 13 ppb |
| Arsenic (published) | Not publicly published (checked June 27, 2026) | 21 ppb |
| Mercury (published) | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 21, 2026) |
| Pesticide tested | No | Yes |
| Last verified | June 27, 2026 | June 21, 2026 |
Origin
Grade
Price per gram
Transparency tier
Publishes numeric COA
Third-party tested
Organic certification
Lead (published)
Cadmium (published)
Arsenic (published)
Mercury (published)
Pesticide tested
Last verified
Heavy Metals and Safety Disclosure
Teafy reports a lead level of 67 ppb (verified June 21, 2026). Four Sigmatic has not published a numeric lead value (checked June 27, 2026). Without a published value from Four Sigmatic, a direct comparison is not possible. The absence of published data does not indicate safety or danger.
| Metal | Four Sigmatic | Teafy |
|---|---|---|
| Lead | Not publicly published (checked June 27, 2026) | 67 ppb |
| Cadmium | Not publicly published (checked June 27, 2026) | 13 ppb |
| Arsenic | Not publicly published (checked June 27, 2026) | 21 ppb |
| Mercury | Not publicly published (checked June 27, 2026) | Not publicly published (checked June 21, 2026) |
Source: brand-published COAs and independent test results. Values are from specific batches and dates. Absence of published data does not indicate safety or danger. Last verified: Four Sigmatic June 27, 2026, Teafy June 21, 2026.
Price Comparison
Four Sigmatic ($0.67/g) and Teafy ($0.70/g) are priced within 4% of each other per gram. The price difference is negligible for most buyers.
Detailed Analysis
Testing Transparency
Teafy publishes a numeric COA with specific ppb values from a named accredited lab. Four Sigmatic has not published equivalent numeric results. No public testing statement has been found for Four Sigmatic as of the last verification date.
Origin and Sourcing
Teafy sources from Kyoto Uji + Shizuoka, Japan. Four Sigmatic has not publicly disclosed a specific leaf origin region. Origin cannot be fully compared.
Which Should You Buy?
If testing transparency is your priority: Teafy (Tier 1) discloses more than Four Sigmatic (Unrated). If organic certification matters to you: Teafy holds EU certification. Four Sigmatic does not have a publicly confirmed organic certification.
Frequently Asked Questions
Is Four Sigmatic or Teafy cheaper?
Four Sigmatic is cheaper at $0.67/g vs $0.70/g per gram, a difference of $0.03/g. Prices verified as of 2026-06-27.
Does Four Sigmatic publish lab results?
No public testing statement or COA has been found for Four Sigmatic as of June 27, 2026.
Does Teafy publish lab results?
Yes. Teafy publishes a numeric Certificate of Analysis with specific ppb values from a named accredited lab. Verified June 21, 2026.
Which is third-party tested: Four Sigmatic or Teafy?
Teafy is third-party tested. Four Sigmatic does not have a confirmed third-party testing status as of the last verification date.
Is Four Sigmatic or Teafy organic?
Teafy holds EU certification. Four Sigmatic does not have a publicly confirmed organic certification as of the last verification date.
Related comparisons
All data in this comparison is sourced from publicly available COAs, brand websites, and independent test results. Every safety data point carries its source and last-verified date. Steady Matcha does not conduct or claim ownership of third-party test results for other brands. Brand information changes: verify current status before purchasing.