coin cleaner
Worth a lookShows low returns (1.1%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Returns
Great1.1%return rate — above 5% kills the launch gate
Avg price
Great$21.69avg listing price — sweet spot $15–$100
Price range
Great$6.01–$92.68cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Conversion
Good6.4%search→purchase rate — share of searches ending in a sale
Brand share
Good66%top-5 brand share — brands hold most of the demand
Competition
Good54%top-5 click share — leaders hold, buyers still browse
Market size
Okay$233K$233K/yr · 168K searches
Review moat
Okay2,299.92avg incumbent reviews — the moat a new listing must climb
Growth
Bad-34.5%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, coin cleaner is a $233K/yr Amazon United States market (168K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Feb–Mar–May–Dec. Verdict: Worth a look — 57/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
coin cleaner market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $217K–$271K
- units × avg price
- Conversion rate
- 6.4%
- Avg BSR
- #1,195
- Page quality
- 0%
- Prime
- 76%
- Sponsored
- 56%
- Out of stock
- 0.0%
- Avg brand age
- 66 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.Brands
19 rising
Sellers
39
Top-5 brand share
66%
Top 20: 100%
Top-5 click share
54%
Top 20: 96%
Open market
28%
- eZest26%
- JSP13%
- QONS13%
- KEXGUSS9%
- Blazeavian6%
- Mr. Metal6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -34.5% search growth over the last 90 days.Peak months: Feb, Mar, May, Dec · busiest ÷ quietest = 2.2×
Top coin cleaner search terms
- coin cleaner53K/yr
- coin cleaner for collectors30K/yr
- coin cleaning kit15K/yr
- ezest coin cleaner12K/yr
- coin cleaner solution for all coins11K/yr
- silver coin cleaner9K/yr
- ms70 coin cleaner8K/yr
- best coin cleaner for old coins4K/yr
- coin cleaning solution5K/yr
- coin cleaner kit5K/yr
Top coin cleaner 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
5oz e-Z-est Coin Cleaner for Gold Silver and Copper Coins
eZest$19.194.4★930 rev
QONS Coin Cleaner and Protector Kit Solution for Cleaning All Coins Gold Coins Silver Coin Vintage Coin Coin Cleaner Supplies for Collectors
QONS$32.763.9★152 rev
JSP Super Coin Cleaning DIP 8 Ounces with Basket 1 Unit
JSP$11.384.2★145 rev
Ultrasonic Jewelry Cleaner Machine: 49KHz Ultrasonic Cleaner with 3 Cleaning Modes for Jewelry Glasses Rings Watch Strap Dentures Retainers Coins Earring 650ML 304 Stainless Steel Tank(White)
Blazeavian$24.614.3★118 rev
Mr. Metal Metal Polish Liquid All Metal Multipurpose Cleaner Non-Abrasive Instant Sterling Silver Cleaner Brass and Stainless Steel Cleaner Grime and Tarnish Remover Chrome Silver Polish 8 oz
Mr. Metal$8.734.4★1,268 rev
Newest
by launch date
Loopeer 6.76 OZ Coin Cleaner for Collectors - Safe for Gold Silver Coins Coin Cleaning Kit with Cleaning Basket Friendly Coins Cleaner & Protector Supplies for Collectors
Loopeer$15.731 rev
KEXGUSS Coin Cleaner for Collectors Instant Sterling Silver Cleaner Gentle Manner Copper and Gold Cleaner Grime and Tarnish Remover Coin Cleaner Solution for All Coins - 7.1 OZ
KEXGUSS$16.050 rev
2Pcs Coin Cleaner and Protector Kit Coin Cleaner for Collectors Instant Sterling Silver Cleaner Copper and Gold Cleaner Grime and Tarnish Remover Coin Cleaner Solution for All Coins - 3.5 oz
KEXGUSS$19.028 rev
JAOJAO Coin Cleaning Kit Inchlude 120ml Coin Cleaner 120ml Protector Cotton Swabs Cleaning Bag Polishing Plate Supplies for Collectors Cleaning All Gold Coins Silver Coins Vintage Coins
JAOJAO$18.145 rev
YOTEBLE Coin Cleaner for Collectors with Protector Suit Gold Silver Copper
YOTEBLE$15.386 rev
Trending
90-day click momentumLoopeer 6.76 OZ Coin Cleaner for Collectors - Safe for Gold Silver Coins Coin Cleaning Kit with Cleaning Basket Friendly Coins Cleaner & Protector Supplies for Collectors
Loopeer$15.735.0★
JAOJAO Coin Cleaning Kit Inchlude 120ml Coin Cleaner 120ml Protector Cotton Swabs Cleaning Bag Polishing Plate Supplies for Collectors Cleaning All Gold Coins Silver Coins Vintage Coins
JAOJAO$18.143.5★
KEXGUSS Coin Cleaner for Collectors Instant Sterling Silver Cleaner Gentle Manner Copper and Gold Cleaner Grime and Tarnish Remover Coin Cleaner Solution for All Coins - 7.1 OZ
KEXGUSS$16.050.0★
2Pcs Coin Cleaner and Protector Kit Coin Cleaner for Collectors Instant Sterling Silver Cleaner Copper and Gold Cleaner Grime and Tarnish Remover Coin Cleaner Solution for All Coins - 3.5 oz
KEXGUSS$19.023.6★
Ultrasonic Jewelry Cleaner Machine: 49KHz Ultrasonic Cleaner with 3 Cleaning Modes for Jewelry Glasses Rings Watch Strap Dentures Retainers Coins Earring 650ML 304 Stainless Steel Tank(White)
Blazeavian$24.614.3★
What buyers say about coin cleaner
What buyers praise and complain about, mined from review topics.What buyers love
“It cleans quickly”
“Awesome reliable product”
“It does work”
“Good value for the money”
“Easy to Use”
“The lights are bright”
“As advertised”
“it came out looking like it was brand new”
“Picture quality is fantastic”
“Very speedy to use and very durable”
What buyers complain about
“The smell is extremely toxic”
“Stopped working”
“doesnt clean well”
“The fit of the dipper is not great”
“PRODUCT NOT AS EXPECTED ALTHOUGH GOOD”
“Does not do what it states it does”
“Expensive”
“Its arrived leaking”
“which resulted in bleach-like staining on my shirt; ruining it”
“Turned pure silver brown”
Top return reasons
Common questions
- Is coin cleaner profitable to sell on Amazon United States?
- The niche generates $233K/yr across 25 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -34.5%. Flapen's verdict: Worth a look (57/100).
- How competitive is the coin cleaner niche?
- 19 brands and 39 sellers compete. The top 5 products take 54% of clicks and top 5 brands hold 66% of demand.
- What do buyers complain about in coin cleaner?
- Top complaints mined from reviews: Smell, Functionality-Overall, Ease Of Cleaning. The return rate is 1.1%.
- When does demand for coin cleaner peak?
- Demand peaks in Feb–Mar–May–Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the coin cleaner niche?
- Listings span $6.01–$92.68; the average listing price is $21.69 (sweet spot $15–$100). The average incumbent carries 2,300 reviews — the moat a new listing must climb.