Grinder
Grinder clears our launch bar: a $6.5M/yr market growing +0.9% this quarter with returns at 2.8%.
Flapen Score
Top 2% of 11,240 Home & Kitchen niches · +19 vs the category median of 49
Is Grinder profitable on Amazon?
According to Flapen's Amazon United States niche tracking, Grinder is a $6.5M/yr Amazon United States market (8.0M searches/yr). The top 5 brands hold 33% of demand. Demand peaks in Dec. Verdict: Launch it — 68/100.
Grinder: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Yes. Search demand moved +0.9% over the last 90 days and 3.5% of searches end in a purchase.
$6.5M
revenue / yr
Who owns the niche?
The top 5 brands hold 33% of demand, so 67% of the market is open.
67%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.3★ — the gap to enter on.
0/100
page quality · 97 products
Top Grinder products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
Amazon Basics Fast Electric Coffee Grinder for Home Use Easy to Use Coffee Bean and Spice Grinder with Heavy-Duty Stainless Steel Grind Blades
- Price
- $16.75
- Rating
- 4.4/5
- Reviews
- 19,177
- Age
- 6y ago

Wakit Grinders Best Electric Grinder (KLR Black)
- Price
- $48.35
- Rating
- 4.6/5
- Reviews
- 1,953
- Age
- 6y ago

2.5 Spice Grinder Kitchen Tools
- Price
- $10.85
- Rating
- 4.2/5
- Reviews
- 62
- Age
- 3mo ago
![COOL KNIGHT Herb Grinder [large capacity/fast/Electric ]-Spice Herb Coffee Grinder with Pollen Catcher/- 7.5 (Black)](https://m.media-amazon.com/images/I/41oEcyJ+QrL.jpg)
COOL KNIGHT Herb Grinder [large capacity/fast/Electric ]-Spice Herb Coffee Grinder with Pollen Catcher/- 7.5 (Black)
- Price
- $23.71
- Rating
- 4.4/5
- Reviews
- 9,980
- Age
- 5y ago

BLACK+DECKER One-Touch Coffee & Spice Grinder with Stainless Steel Blades
- Price
- $24.01
- Rating
- 4.6/5
- Reviews
- 19,197
- Age
- 1y ago
Trending
90-day click momentum
2.5-Inch Zinc Alloy Spice Grinder Compact Portable Design with Storage Compartment Essential Kitchen Tool - red
- Price
- $9.83
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 7mo ago

2.5 Spice Grinder Kitchen Tools (Black)
- Price
- $11.80
- Rating
- 4.4/5
- Reviews
- 92
- Age
- 5mo ago

Manual pepper grinder metal grinder - four-layer adjustable grinder (2-inch abstract mushroom pattern)
- Price
- $12.03
- Rating
- 4.5/5
- Reviews
- 52
- Age
- 1y ago

2.5-inch Grinder Heavy-Duty Aluminum Construction Smooth GrindingKitchen Essential (Black)
- Price
- $10.12
- Rating
- 4.5/5
- Reviews
- 45
- Age
- 7mo ago

KOZO Premium Black Box with Original Grinders Tray and UV Jar. Built-in Lock & Keys - Decorative Storage Box Set - Perfect for Your Accessories (Rustic)
- Price
- $35.11
- Rating
- 4.4/5
- Reviews
- 74
- Age
- 6mo ago
Newest
by launch date
2.5 Spice Grinder Kitchen Tools
- Price
- $10.85
- Rating
- 4.2/5
- Reviews
- 62
- Age
- 3mo ago

2.5 Spice Grinder Kitchen Tools (Black)
- Price
- $11.80
- Rating
- 4.4/5
- Reviews
- 92
- Age
- 5mo ago

KOZO Premium Black Box with Original Grinders Tray and UV Jar. Built-in Lock & Keys - Decorative Storage Box Set - Perfect for Your Accessories (Rustic)
- Price
- $35.11
- Rating
- 4.4/5
- Reviews
- 74
- Age
- 6mo ago

Cipora Manual Spice & Herb Mill for Kitchen 2.5 Zinc Herb Mill with Bottom Storage Chamber Magnetic Lid for Peppercorns Rosemary Dried Herbs & Seasonings (Black)
- Price
- $12.03
- Rating
- 4.5/5
- Reviews
- 144
- Age
- 6mo ago

2.5-Inch Zinc Alloy Spice Grinder Compact Portable Design with Storage Compartment Essential Kitchen Tool - red
- Price
- $9.83
- Rating
- 4.4/5
- Reviews
- 121
- Age
- 7mo ago
Competition: brands, sellers & click share
Clicks spread well past the top 5 (21% combined) — an open shelf where new products get seen.
Brands
59 rising
Sellers
320
Top-5 brand share
33%
Top 20: 72%
Top-5 click share
21%
Top 20: 52%
Open market
63%
- Generic14%
- KINGTOP5%
- Amazon Basics5%
- COOL KNIGHT5%
- Wakit Grinders4%
- KOZO4%
Grinder demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Dec · busiest ÷ quietest = 1.6×
Top Grinder search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- grinder2.1M/yr
- spice grinder1.1M/yr
- grinders for cannabis677K/yr
- herb grinder885K/yr
- weed grinder968K/yr
- grinder for marijuana944K/yr
- weed grinders for marijuana259K/yr
- electric grinder175K/yr
- herb grinder for marijuana132K/yr
- tobacco grinder119K/yr
What reviews say buyers love and hate about Grinder
What buyers mention most, as a share of all reviews.
What buyers love
76% of reviews“Excellent Quality”
“Great Deal”
“easy to dump”
“Works efficiently”
“Better than advertised”
What buyers complain about
67% of reviews“Broke within a week”
“don't fit”
“Cheap quality”
“Did not work”
“Big mess”
Grinder return rate & reasons
Why buyers send it back, as a share of all return requests.
2.8%
Return rate
41%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Grinder questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









