phin
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Returns
Great1.9%return rate — above 5% kills the launch gate
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Conversion
Good4.7%search→purchase rate — share of searches ending in a sale
Avg price
Okay$11.65avg listing price — sweet spot $15–$100
Review moat
Okay1,908.75avg incumbent reviews — the moat a new listing must climb
Growth
Bad-4.7%90-day search growth — must beat 0% to launch
Market size
Bad$82K$82K/yr · 152K searches
Competition
Bad89%top-5 click share — a locked-up shelf
Price range
Bad$7.18–$15.53cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Bad100%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, phin is a $82K/yr Amazon United States market (152K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 33/100.
Data updated Aug 4, 2026 · scored weekly · How we score niches
phin market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- $70K–$93K
- units × avg price
- Conversion rate
- 4.7%
- Avg BSR
- #1,114
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 88%
- Out of stock
- 16.0%
- Avg brand age
- 41 months
- Avg seller age
- 181 days
Competition & brand share
The top 5 products capture 89% of clicks — a locked-up shelf that new listings rarely crack.Brands
5 falling
Sellers
6
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
89%
Top 20: 100%
Open market
0%
- Thang Long77%
- Birdee11%
- BIMYJ5%
- WLngtv3%
- AMT3%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -4.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.4×
Top phin search terms
- phin filter70K/yr
- phin45K/yr
- coffee phin12K/yr
- vietnamese phin filter8K/yr
- vietnamese coffee phin7K/yr
- vietnamese phin6K/yr
- phin coffee5K/yr
Top phin 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 8 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Thang Long Vietnamese Coffee Filter Set. Also known as a Vietnamese Coffee Maker or Press 8oz. Gravity Insert. Multiple Sizes and Quantities Available
Thang Long$10.964.5★6,438 rev
Thang Long Vietnamese Coffee Filter Phin 11 Ounce (Large) Gravity Insert One Cup
Thang Long$11.924.5★6,438 rev
Thang Long Vietnamese Coffee Filter Maker Press. Screw Down Phin Made in Vietnam. Authentic (1 Medium (8 oz))
Thang Long$12.034.6★1,956 rev
Birdee Vietnamese Coffee Dripper Stainless Steel 8 oz Phin Filter Perfect Cup of Phin Drip Coffee in 35 Minutes Durable & Dishwasher Safe
Birdee$12.144.6★147 rev
BIMYJ 8oz Stainless Steel Vietnamese Coffee Dripper Gravity Insert
BIMYJ$15.534.1★71 rev
Newest
by launch dateBIMYJ 8oz Stainless Steel Vietnamese Coffee Dripper Gravity Insert
BIMYJ$15.5371 rev
Birdee Vietnamese Coffee Dripper Stainless Steel 8 oz Phin Filter Perfect Cup of Phin Drip Coffee in 35 Minutes Durable & Dishwasher Safe
Birdee$12.14147 rev
Silver Vietnamese Coffee Filter Stainless Steel Coffee Pot Drip Infuse Cup Brewing Teapot No Need Paper Drip Coffee Pot Machine Filter
WLngtv$7.1820 rev
Birdee Vietnamese Coffee Dripper - 12 oz Stainless Steel Medium Drip Filter Durable Dishwasher Safe Home Use Travel Camping Gift Sets
Birdee$14.97147 rev
AMT 6.5 oz Coffee Maker Phin Filter with Cork Screw Down Coffee Dripper for Vietnamese Style Coffee at Home or Office
AMT$8.4553 rev
Trending
90-day click momentumBirdee Vietnamese Coffee Dripper Stainless Steel 8 oz Phin Filter Perfect Cup of Phin Drip Coffee in 35 Minutes Durable & Dishwasher Safe
Birdee$12.144.6★
Birdee Vietnamese Coffee Dripper - 12 oz Stainless Steel Medium Drip Filter Durable Dishwasher Safe Home Use Travel Camping Gift Sets
Birdee$14.974.6★
AMT 6.5 oz Coffee Maker Phin Filter with Cork Screw Down Coffee Dripper for Vietnamese Style Coffee at Home or Office
AMT$8.454.2★
Thang Long Vietnamese Coffee Filter Set. Also known as a Vietnamese Coffee Maker or Press 8oz. Gravity Insert. Multiple Sizes and Quantities Available
Thang Long$10.964.5★
BIMYJ 8oz Stainless Steel Vietnamese Coffee Dripper Gravity Insert
BIMYJ$15.534.1★
What buyers say about phin
What buyers praise and complain about, mined from review topics.What buyers love
“it seems well made”
“it cleans up easily after use”
“Easy to use”
“Its the perfect size”
“Its very sturdy”
“Love that this was so affordable”
“Excellent Design”
“it works as advertised”
“functional”
“hear colors kind of amazing”
What buyers complain about
“Bad quality”
“Defective and clogged phin product”
“To small”
“Ive struggled to brew effectively regardless of coffee grind size”
“Unit was not brand new”
“Scratches on filter”
“Lid edge is very sharp”
“No instructions included”
“Rusting after a few weeks”
“Looks a little cheap”
Top return reasons
Common questions
- Is phin profitable to sell on Amazon United States?
- The niche generates $82K/yr across 8 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is -4.7%. Flapen's verdict: Skip it (33/100).
- How competitive is the phin niche?
- 5 brands and 6 sellers compete. The top 5 products take 89% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in phin?
- Top complaints mined from reviews: Quality-Overall, Jamming/Clogging, Size-Overall. The return rate is 1.9%.
- When does demand for phin peak?
- Demand is steady year-round — the busiest month runs 1.4× the quietest.
- What does it cost to enter the phin niche?
- Listings span $7.18–$15.53; the average listing price is $11.65 (sweet spot $15–$100). The average incumbent carries 1,909 reviews — the moat a new listing must climb.