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silver tester for coins

Worth a look63/100

silver tester for coins shows demand growing +688.8%, but a small market ($98K/yr) keeps it on the watch list.

Market/yr

$98K

Growth (1y)

+688.8%

Products

43

Brands

21

was 25 a year ago

Sellers

33

Price range

$6.37–$369.59

Returns

2.9%

Rating

4.2★

63/100

Worth a look

Scores 63/100 — above our 62-point bar, but a launch gate (market size, growth, or returns) failed.

Market sizeGrowthCompetitionQuality gapReturns
Market size
5
×0.30
Growth
100
×0.30
Competition
83
×0.20
Quality gap
72
×0.10
Returns
77
×0.10

Demand

Weekly Amazon search volume, last 13 weeks — +688.8% year over year.
777388.5Apr '26Apr '26May '26May '26May '26Jun '26Jun '26

Competition

24%Gemtone
  • Gemtone24%
  • Waymil17%
  • GTE14%
  • Techneak8%
  • TAOMEELOR5%
  • ERAFINE5%
  • Other (15 brands)27%

Clicks spread well past the top 5 (32% combined) — an open shelf where new products get seen. 21 brands and 33 sellers compete here.

Brands

21 falling

was 25 a year ago

Sellers

33

Top 5 brand share

68%

#ProductBrandPriceRatingReviewsClick shareTrend

Product shelf

All 43 tracked products in this niche.

Reviews

What buyers praise and complain about, mined from review topics.

What buyers love

Advertised Vs Actual Product15%

“As advertised”

Value For Money15%

“Good deal”

Quality-Overall13%

“Good quality and arrived on time”

Ease Of Use12%

“Easy carry and store”

Efficiency10%

“Works great”

Magnetic Strength/Adsorption5%

“Great Magnets”

Strength4%

“Very strong”

Instructions/User Manual/Troubleshooting4%

“Directions are easy to follow”

Size-Overall3%

“so the size of this kit was perfect”

Portability1%

“Nice portable kit”

What buyers complain about

Functionality-Overall19%

“It barely works”

Quality-Overall11%

“Inconsistent Quality”

Value For Money7%

“Not worth the price”

Leak-Proof6%

“Leaking liquid”

Instructions/User Manual/Troubleshooting6%

“Needs directions”

Durability5%

“Broke immediately”

Advertised Vs Actual Product5%

“False advertisement”

Size-Overall5%

“Very tiny bottles”

Color4%

“No change of color”

Strength3%

“Not strong enough”

Top return reasons

  • Functionality-Overall38%
  • Advertised Vs Actual Product10%
  • Defective Material/Parts7%
  • Size-Overall5%
  • Value For Money5%
  • Leak-Proof5%
  • Measurement/Reading Accuracy4%
  • Quality-Overall3%
  • Instructions/User Manual/Troubleshooting3%
  • Charging3%

Data scraped July 6, 2026 · Marketplace baseline: 4.4★ avg rating · $22.71 median price · 2.2% median returns across 13,812 tracked niches.