atoma
Skip itBrand-locked demand (top 5 brands take 97% of clicks) — this niche doesn't clear our bar today.
Avg price
Great$65.14avg listing price — sweet spot $15–$100
Returns
Great1.6%return rate — above 5% kills the launch gate
Review moat
Good700.87avg incumbent reviews — the moat a new listing must climb
Price range
Good$43.16–$138.16cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Okay2.8%search→purchase rate — share of searches ending in a sale
Growth
Okay+4.9%90-day search growth — must beat 0% to launch
Market size
Okay$103K$103K/yr · 56K searches
Quality gap
Bad4.7★avg incumbent rating — lower means beatable quality
Competition
Bad76%top-5 click share — a locked-up shelf
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, atoma is a $103K/yr Amazon United States market (56K searches/yr). The top 5 brands hold 97% of demand. Demand peaks in Jan. Verdict: Skip it — 37/100.
Data updated Jul 29, 2026 · scored weekly · How we score niches
atoma market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- $98K–$130K
- units × avg price
- Conversion rate
- 2.8%
- Avg BSR
- #441
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 73%
- Out of stock
- 2.7%
- Avg brand age
- 71 months
- Avg seller age
- 158 days
Competition & brand share
The top 5 products capture 76% of clicks — a locked-up shelf that new listings rarely crack.Brands
6 falling
Sellers
115
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
76%
Top 20: 100%
Open market
0%
- tsuboman42%
- ツボ万26%
- Atoma20%
- SHARPAL6%
- Jende3%
- Ultrasharp3%
Demand & seasonality
Weekly Amazon search volume, last 99 weeks — +4.9% search growth over the last 90 days.Peak months: Jan · busiest ÷ quietest = 1.4×
Top atoma search terms
- atoma diamond sharpening stone11K/yr
- atoma18K/yr
- atoma 14010K/yr
- atoma diamond plate14K/yr
- atoma 4004K/yr
Top atoma products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 15 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Atoma Diamond Sharpener Coarse Grade140
tsuboman$74.374.8★347 rev

Atoma Diamond Sharpener Medium - #400
Atoma$59.164.8★684 rev

Atoma Diamond Plate Knife Sharpening Flattening Whetstone #1200
ツボ万$60.404.5★191 rev

Atoma Diamond Sharpener Fine - #600
tsuboman$59.304.5★147 rev

Atoma Diamond Plate Knife Sharpening Flattening Whetstone Replacement Blade #400
ツボ万$45.724.5★54 rev
Newest
by launch date
SHARPAL 168H Large 8 x 3 Dual-Grit Diamond Sharpening Stone
SHARPAL$43.42498 rev

SHARPAL 169H Large 8 x 3 Dual-Grit Diamond Sharpening Stone
SHARPAL$43.16288 rev

1x6 ATOMA DIAMOND SHARPENING STONE PLATE 600 Grit-for Edge Pro Hapstone and TSProf Sharpener
Jende$65.4115 rev

1x6 Atoma Diamond Sharpening Stone Plate 140 Grit-for heavy reprofiling & removing deep chips from blades
Jende$65.2930 rev

Atoma 12662 Atoma for Grindstone Correction Medium Point With Handle Diamond Whetstone Correction Atoma Economy Atoma Series ATOMA
tsuboman$111.647 rev
Trending
90-day click momentum
SHARPAL 168H Large 8 x 3 Dual-Grit Diamond Sharpening Stone
SHARPAL$43.424.7★

Tsuboman ATM75-1.4C Atoma Economy Replacement Blade Rough
ツボ万$52.374.5★

Atoma Diamond Sharpener Coarse Grade140
tsuboman$74.374.8★

Atoma 12662 Atoma for Grindstone Correction Medium Point With Handle Diamond Whetstone Correction Atoma Economy Atoma Series ATOMA
tsuboman$111.645.0★

Atoma Diamond Plate Knife Sharpening Flattening Whetstone Replacement Blade #400
ツボ万$45.724.5★
What buyers say about atoma
What buyers praise and complain about, mined from review topics.What buyers love
“Best sharping system that I have purchased”
“Great price, great quality stone”
“Good value”
“Ease of use”
“Comes with a durable”
“Works well to get a sharp blade”
“Works very well”
“Easy to clean”
“The guide makes this diamond stone easy to use”
“Saves me bunch of time”
What buyers complain about
“I found that my knives are really dull”
“not as good as its rated with all”
“way over priced”
“seems to be wearing out in less than a year”
“Very poor quality plastic”
“is dead flat”
“It is not working”
“Rusted right out of the box”
“is quite heavy”
“The diamonds clearly didnt adhere well on the 1,200 grit side”
Top return reasons
Common questions
- Is atoma profitable to sell on Amazon United States?
- The niche generates $103K/yr across 15 tracked products. 90-day search growth is +4.9%. Flapen's verdict: Skip it (37/100).
- How competitive is the atoma niche?
- 6 brands and 115 sellers compete. The top 5 products take 76% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in atoma?
- Top complaints mined from reviews: Sharpness, Quality-Overall, Value For Money. The return rate is 1.6%.
- When does demand for atoma peak?
- Demand peaks in Jan; the busiest month runs 1.4× the quietest.
- What does it cost to enter the atoma niche?
- Listings span $43.16–$138.16; the average listing price is $65.14 (sweet spot $15–$100). The average incumbent carries 701 reviews — the moat a new listing must climb.