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Note Checker

Maybe

An estimated 0.9% of orders come back. But demand is soft, at -37.9% this quarter, so Note Checker is a Maybe.

Flapen Score
59
59 / 100
Top 7% of 835 Stationery & Office Supplies niches · +12 vs the category median of 47
Market size
£387K/yr203K searches / yr
90-day growth
-37.9%search demand this quarter
Competition
53%top-5 click share · 20 brands · 33 sellers

Flapen Score

Note Checker against its category

The dotted line is the Stationery & Office Supplies average. Past it, Note Checker is stronger. Inside it, weaker.

59Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Note Checker market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Note Checker 203K times last year and spent an estimated £387K. The top 5 brands take 70% of clicks. Demand peaks in Feb–Mar–Apr–May. Flapen scores it 59 out of 100, a Maybe.

01 · Demand

An estimated 8.4% of those searches ended in a purchase.

Shoppers searched for this 203K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 8.4% of those searches ended in a purchase. Searches in the last 90 days moved -37.9% against the 90 days before. Searches, conversion and average price together put the market at an estimated £387K a year.

Searches, last 12 months
203K
Growth, 90 days vs prior 90
-37.9%
Conversion, latest week
8.4%
Market size, estimated
£387Ka year
Peak month
March3.6× the quietest month
Top search term
note checker39K searches a year

02 · Price

A sale here is worth £22.73.

Listings sell for £22.73 on average, from £3.75 to £137.31. Amazon reports units sold in ranges. This niche sold 20K to 25K a year. The average listing sells 500 to 750 of them. At £22.73 that is £11K to £17K a year per listing.

Average price
£22.73inside the $15 to $100 sweet spot
Price range
£3.75–£137.31
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
20K–25K
Units per listing a year
500–750
Revenue per listing a year
£11K–£17K
Returns
0.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

90% of listings pay for placement with sponsored ads. 97% ship with Prime. On an average day, 0.6% of listings are out of stock. The average listing ranks #42 within Office Supplies. It carries 1,416 reviews at 4.30 stars, so a new listing needs social proof before a better product.

Sponsored listings
90%
Prime listings
97%
Out of stock, average day
0.6%
Average rank
#42in Office Supplies
Average rating
4.30 starsAmazon United Kingdom average 4.36 stars
Average reviews
1,416per listing
Listings tracked
29

04 · Newcomers

2 of last year's 6 launches cleared the first-year sales bar.

6 products launched here in the last 12 months. 2 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 41 months on average, so the names here are settling in.

Launched, last 12 months
6
Successful launches
2Amazon's first-year sales bar
Average brand age
41 months

Products

Top Note Checker products & what they sell for

The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.

Prices and ratings read from Amazon on Jul 29, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 53% of clicks. Leaders hold, but buyers still shop past them.

£0£19K£39K£58K£77K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

20 rising

Sellers

33

Est. top-5 brand share

70%

Top 20: 100%

Est. top-5 click share

53%

Top 20: 90%

Open market

26%

  • ZZap25%
  • MxMan19%
  • Minder14%
  • MOWETOO6%
  • HowseHold5%
  • Cashtec4%

Demand

Note Checker search demand

Weekly searches over the year, seasonality beneath. Pick a range.

6K4KSpike '24Black Friday '24Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb, Mar, Apr, May · busiest ÷ quietest = 3.6×

Search terms

Top Note Checker search terms shoppers use

The exact words shoppers type, with estimated yearly volume, growth, and conversion.

  • note checker39K/yr
  • counterfeit money detector18K/yr
  • money checker18K/yr
  • note checker uv light23K/yr
  • uv note checker12K/yr
  • money checker machine13K/yr
  • bank note checker uv light10K/yr
  • uv money checker11K/yr
  • fake note detector8K/yr
  • counterfeit money detector machine8K/yr

Reviews and returns

What reviews say buyers love and hate about Note Checker

We read the reviews and the return reasons for every product selling here.

16%of positive reviews mention “Ease Of Use”
12%of negative reviews mention “Durability”
0.9%of orders come back
“Broke after 1st use”
A buyer, on “Durability”12% of negative reviews mention the same topic

Every topic

Every topic buyers talk about, one row each.

Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.

15 topics

NegativePositive

FAQ

Common Note Checker questions

Answered from the same tracked data.

Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data