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Grout Whitener

Fail

The top 5 brands take 100% of clicks, so Grout Whitener is a Fail.

Flapen Score
47
47 / 100
Ranks 4,985 of 9,536 Tools & Home Improvement niches · −1 vs the category median of 48
Market size
$637K/yr491K searches / yr
90-day growth
+6.2%search demand this quarter
Competition
79%top-5 click share · 4 brands · 9 sellers

Flapen Score

Grout Whitener against its category

The dotted line is the Tools & Home Improvement average. Past it, Grout Whitener is stronger. Inside it, weaker.

47Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Grout Whitener market on Amazon at a glance

Shoppers on Amazon United States searched for Grout Whitener 491K times last year and spent an estimated $637K. All 4 brands take every click. Flapen scores it 47 out of 100, a Fail.

01 · Demand

An estimated 10.6% of those searches ended in a purchase.

Shoppers searched for this 491K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 10.6% of those searches ended in a purchase. Searches in the last 90 days moved +6.2% against the 90 days before. Searches, conversion and average price together put the market at an estimated $637K a year.

Searches, last 12 months
491K
Growth, 90 days vs prior 90
+6.2%
Conversion, latest week
10.6%
Market size, estimated
$637Ka year
Peak month
July1.5× the quietest month
Top search term
grout pen270K searches a year

02 · Price

A sale here is worth $12.23.

Listings sell for $12.23 on average, from $8.65 to $22.83. Amazon reports units sold in ranges. This niche sold 50K to 60K a year. The average listing sells 3,000 to 4,000 of them. At $12.23 that is $37K to $49K a year per listing.

Average price
$12.23under the $15 to $100 sweet spot
Price range
$8.65–$22.83
Amazon United States median price
$24.38across 115,062 niches
Units sold a year
50K–60K
Units per listing a year
3,000–4,000
Revenue per listing a year
$37K–$49K
Returns
2.8%of orders · Amazon United States median 2.1%

03 · Entry bar

The bar here is ads and reviews.

93% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #24 within Adhesives & Sealers. It carries 7,484 reviews at 4.18 stars, so a new listing needs social proof before a better product.

Sponsored listings
93%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#24in Adhesives & Sealers
Average rating
4.18 starsAmazon United States average 4.42 stars
Average reviews
7,484per listing
Listings tracked
14

04 · Newcomers

Brands here are settling in.

The brands on the shelf have sold for 55 months on average, so the names here are settling in.

Launched, last 12 months
0
Successful launches
0Amazon's first-year sales bar
Average brand age
55 months

Products

Top Grout Whitener 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 27, 2026. The live listing can differ.

Competition

Competition: brands, sellers & click share

The top 5 products take an estimated 79% of clicks. A locked shelf that new listings rarely crack.

$0$64K$127K$191K$255K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 rising

Sellers

9

Est. top-5 brand share

100%

Top 20: 100%

Est. top-5 click share

79%

Top 20: 100%

Open market

0%

  • Rainbow Chalk Markers Limited65%
  • Rainbow Chalk Markers Ltd31%
  • PENTAUSA2%
  • YaoQiYou2%

Demand

Grout Whitener search demand

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

12K8KSpike '25Prime Day '25Spike '26SepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.5×

Search terms

Top Grout Whitener search terms shoppers use

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

  • grout pen270K/yr
  • grout pen white55K/yr
  • white grout pen29K/yr
  • grout paint pen25K/yr
  • grout pens for tile37K/yr
  • tile grout pen12K/yr
  • grout pens12K/yr
  • grout marker12K/yr
  • white grout pen for bathroom tile6K/yr
  • grout color pen6K/yr

Reviews and returns

What reviews say buyers love and hate about Grout Whitener

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

26%of positive reviews mention “Ease Of Use”
21%of negative reviews mention “Color”
2.8%of orders come back
“Its not Gray”
A buyer, on “Color”21% 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 Grout Whitener 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