Skip to content

Grout Pen

Fail

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

Flapen Score
41
41 / 100
Ranks 1,774 of 2,225 DIY & Tools niches · −8 vs the category median of 49
Market size
£438K/yr432K searches / yr
90-day growth
-22.5%search demand this quarter
Competition
97%top-5 click share · 4 brands · 45 sellers

Flapen Score

Grout Pen against its category

The dotted line is the DIY & Tools average. Past it, Grout Pen is stronger. Inside it, weaker.

41Fail
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Grout Pen market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Grout Pen 432K times last year and spent an estimated £438K. All 4 brands take every click. Demand peaks in Feb. Flapen scores it 41 out of 100, a Fail.

01 · Demand

16.5% of searches ended in a purchase last week.

Shoppers searched for this 432K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. In the latest week, 16.5% of those searches ended in a purchase. Searches in the last 90 days moved -22.5% against the 90 days before. Searches, conversion and average price together put the market at an estimated £438K a year.

Searches, last 12 months
432K
Growth, 90 days vs prior 90
-22.5%
Conversion, latest week
16.5%
Market size, estimated
£438Ka year
Peak month
February1.7× the quietest month
Top search term
grout pen white168K searches a year

02 · Price

A sale here is worth £6.15.

Listings sell for £6.15 on average, from £3.69 to £11.31. Amazon reports units sold in ranges. This niche sold 60K to 80K a year. The average listing sells 8,000 to 10,000 of them. At £6.15 that is £49K to £62K a year per listing.

Average price
£6.15under the $15 to $100 sweet spot
Price range
£3.69–£11.31
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
60K–80K
Units per listing a year
8,000–10,000
Revenue per listing a year
£49K–£62K
Returns
0.3%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is ads and reviews.

100% 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 #20 within Adhesives & Sealers. It carries 10,501 reviews at 4.12 stars, so a new listing needs social proof before a better product.

Sponsored listings
100%
Prime listings
100%
Out of stock, average day
0.0%
Average rank
#20in Adhesives & Sealers
Average rating
4.12 starsAmazon United Kingdom average 4.36 stars
Average reviews
10,501per listing
Listings tracked
6

04 · Newcomers

Amazon counts 0 of last year's 1 launches as successful.

1 products launched here in the last 12 months. Amazon counts 0 of them as successful launches, new products that hit its first-year sales bar. The brands on the shelf have sold for 39 months on average, so the names here are settling in.

Launched, last 12 months
1
Successful launches
0Amazon's first-year sales bar
Average brand age
39 months

Products

Top Grout Pen products & what they sell for

Every tracked product: its share of the shelf, its reviews, and its price.

Competition

Competition: brands, sellers & click share

The top 5 products take 97% of clicks. A locked shelf that new listings rarely crack.

£0£66K£131K£197K£263K101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

4 falling

Sellers

45

Top-5 brand share

100%

Top 20: 100%

Top-5 click share

97%

Top 20: 100%

Open market

0%

  • Unibond54%
  • RAINBOW CHALK MARKERS LTD36%
  • flintronic7%
  • SureMark3%
  • Open — no brand owns it (0%)

Demand

Grout Pen search demand

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

13K8KSpike '24Spike '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Feb · busiest ÷ quietest = 1.7×

Search terms

Top Grout Pen search terms shoppers use

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

  • grout pen white168K/yr
  • grout pen131K/yr
  • white grout pen37K/yr
  • tile grout pen14K/yr
  • white grout pen for tiles15K/yr
  • grout pens8K/yr
  • waterproof grout pen white3K/yr
  • grouting pen white8K/yr
  • grout wow pen white9K/yr
  • grout wow11K/yr

Reviews and returns

What reviews say buyers love and hate about Grout Pen

What buyers praise, what they complain about and why they send it back, from the reviews.

Complain

Functionality-Overall17%−0.28

Goes everywhere doesn't do it right

Did not work

Doesnt work very well

Quality-Overall17%−0.10

Not the best product

Utter garbage

Poor quality

Value For Money11%−0.04

Not worth the price

Overpriced

a total waste of money

Durability10%−0.11

not sure if it is long lasting or not

Some pens can break pretty quick

Split after 2 mins

Ease Of Use5%+2.85

Always difficult to use

Not as easy as it says to use

Little bit difficult to get it going

Love

Ease Of Use31%+2.85

Easy to use

Easy to apply

it's quick to do

Advertised Vs Actual Product17%+0.46

Better than expected

Just what I wanted

As described

Quality-Overall12%−0.10

No mess at all

Excellent Product

quality solution that looks good

Value For Money10%−0.04

Good value

Good value for money

Great value for money

Efficiency7%+0.62

Seems to work ok

Does the job perfect

Worked wonderfully

Return

0.3% Return rate 29% Fixable by listing

Functionality-Overall34%▄▇▅▇█▇

Goes everywhere doesn't do it right

Did not work

Doesnt work very well

Color20%▃▅▇▄█▅
Quality-Overall8%██▄▇▁▁

Not the best product

Utter garbage

Poor quality

Leak-Proof8%▁▇█▇▃▆

Doesnt work just leaks everywhere

Liquid leaking from side

pens leak

Defective Material/Parts6%█▃▂▁▂▁

FAQ

Common Grout Pen questions

Answered from the same tracked data.