silver tester for coins
Skip itSoft demand (-55.7% this quarter) — this niche doesn't clear our bar today.
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Avg price
Great$76.64avg listing price — sweet spot $15–$100
Competition
Good42%top-5 click share — leaders hold, buyers still browse
Review moat
Good636.79avg incumbent reviews — the moat a new listing must climb
Conversion
Good4.6%search→purchase rate — share of searches ending in a sale
Returns
Good3.0%return rate — above 5% kills the launch gate
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Market size
Okay$156K$156K/yr · 44K searches
Price range
Bad$7.05–$1230.03cheapest to priciest tracked listing — scored on the share inside $15–$100
Growth
Bad-55.7%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, silver tester for coins is a $156K/yr Amazon United States market (44K searches/yr). The top 5 brands hold 80% of demand. Verdict: Skip it — 47/100.
Data updated Jul 6, 2026 · scored weekly · How we score niches
silver tester for coins market data
- Units sold / yr
- 1K–2K
- avg 0–100/product
- Revenue / yr
- $96K–$115K
- units × avg price
- Conversion rate
- 4.6%
- Avg BSR
- #75
- Page quality
- 0%
- Prime
- 42%
- Sponsored
- 87%
- Out of stock
- 6.0%
- Avg brand age
- 56 months
- Avg seller age
- 189 days
Competition & brand share
The top 5 products take 42% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
25
Top-5 brand share
80%
Top 20: 100%
Top-5 click share
42%
Top 20: 80%
Open market
16%
- Waymil26%
- Gemtone25%
- GTE15%
- Techneak8%
- ERAFINE6%
- TAOMEELOR4%
- Open — no brand owns it (11 brands, 16%)
Demand
Weekly Amazon search volume, last 18 weeks — -55.7% search growth over the last 90 days.Top silver tester for coins search terms
- silver testing acid7K/yr
- silver testing solution6K/yr
- silver tester machine11K/yr
- electronic silver purity tester8K/yr
- silver testing machine5K/yr
- silver tester for coins9K/yr
Top silver tester for coins 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
Gemtone Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal
Gemtone$11.514.0★45 rev
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal 2 Bottles
Waymil$15.144.0★6 rev
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal 3 Bottles
Waymil$18.364.4★15 rev
ERAFINE Silver Testing Acid with Black Scratch Stone
ERAFINE$11.363.9★54 rev
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal
Waymil$12.964.4★24 rev
Newest
by launch date
TBANVOO Digital Electronic Gold Tester a Precision Purity Analyzer and Densimeter Machine for Gold Silver Platinum Palladium with 0.001g/cm Accuracy & Quick Readout (MH300A)
TBANVOO$258.980 rev
ERAFINE Silver Testing Acid with Black Scratch Stone
ERAFINE$11.3654 rev
Diamond Tester Pen Kit Professional Gemstone Tester with Jewelers Loupe Gemstone Claw Stainless Steel Tweezers and Silver Polishing Cloth for Diamond Crystal Jade Ruby Sapphire Testing
WUCID$17.4615 rev
Gemtone All-in-One Gold Silver Platinum & Diamond Jewelry Testing and Appraisal Kit with Solutions Digital Scale Diamond Tester Touchstone and Accessories
Gemtone$56.26199 rev
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal 2 Bottles
Waymil$15.146 rev
Trending
90-day click momentum
Gold Silver Platinum Jewelry Test Stone Cleaner Neutralizer Solution 1/2 oz Bottles Set of 6
Gemtone$11.964.0★
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal 2 Bottles
Waymil$15.144.0★
TBANVOO Digital Electronic Gold Tester a Precision Purity Analyzer and Densimeter Machine for Gold Silver Platinum Palladium with 0.001g/cm Accuracy & Quick Readout (MH300A)
TBANVOO$258.980.0★
Gemtone Testing Solution Kit Gold 14K & Silver 999 .925 Sterling Authenticity Tester Jewelry Scrap Stone Precious Metal USA
Gemtone$16.964.1★
Waytest Silver & Sterling 999 925 Testing Solution Purity Determiner Jewelry Scrap Precious Metal 6 Bottles
Waymil$29.175.0★
What buyers say about silver tester for coins
What buyers praise and complain about, mined from review topics.What buyers love
“As advertised”
“Very affordable”
“easy to read”
“Excellent product”
“Its worked great”
“easy-to-follow instructions”
“efficient in meeting my needs”
“Good size bottle of acid”
“Nice portable kit”
“Excellent variety and bright colors”
What buyers complain about
“stopped working”
“Cheap quality”
“overpriced for what you get”
“Needs directions”
“Very tiny bottles”
“Doesn't last”
“also came leaking”
“False advertisement”
“When that one turns brown from dark reddish”
“is not convenient to use”
Top return reasons
Common questions
- Is silver tester for coins profitable to sell on Amazon United States?
- The niche generates $156K/yr across 38 tracked products. 1 of 7 products launched in the last 360 days are still selling. 90-day search growth is -55.7%. Flapen's verdict: Skip it (47/100).
- How competitive is the silver tester for coins niche?
- 17 brands and 25 sellers compete. The top 5 products take 42% of clicks and top 5 brands hold 80% of demand.
- What do buyers complain about in silver tester for coins?
- Top complaints mined from reviews: Functionality-Overall, Quality-Overall, Value For Money. The return rate is 3.0%.
- What does it cost to enter the silver tester for coins niche?
- Listings span $7.05–$1230.03; the average listing price is $76.64 (sweet spot $15–$100). The average incumbent carries 637 reviews — the moat a new listing must climb.