Grout Pen
FailThe top 5 brands take 100% of clicks, so Grout Pen is a Fail.
- Flapen Score
- 41 / 100Ranks 1,774 of 2,225 DIY & Tools niches · −8 vs the category median of 4941
- 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.
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.
Top sellers
by 90-day click share
Unibond Grout Reviver Pen White Grout Pen for Bathroom Grout Joints Easy to Use Tile Grout Pen Whitener for Restoring Discoloured & Faded Joints 1x7ml
- Price
- £3.69
- Rating
- 4.1/5
- Reviews
- 20,814
- Age
- 12y ago

Twin Pack White Grout Pen - Designed for restoring tile grout in bathrooms & kitchens (White)
- Price
- £6.74
- Rating
- 4.2/5
- Reviews
- 6,777
- Age
- 4y ago

Flintronic 6PCS Grout Pen White Tile Paint Marker with Replacement Nib Tiles Grout Pen Wall Repair Pens Tile Grout Reviver Pens for Bathrooms Kitchen Floor Tile Wall Lines
- Price
- £5.16
- Rating
- 3.8/5
- Reviews
- 1,584
- Age
- 2y ago

3 x White Grout Pens - Designed for Restoring Tile Grout in bathrooms & Kitchens
- Price
- £11.31
- Rating
- 4.3/5
- Reviews
- 1,998
- Age
- 14y ago

Grout Pen - Revives & Restores Tile Grout - Water-Based 7ml White
- Price
- £3.82
- Rating
- 4.0/5
- Reviews
- 31,750
- Age
- 14y ago
Trending
90-day click momentum
3 x White Grout Pens - Designed for Restoring Tile Grout in bathrooms & Kitchens
- Price
- £11.31
- Rating
- 4.3/5
- Reviews
- 1,998
- Age
- 14y ago

Unibond Grout Reviver Pen White Grout Pen for Bathroom Grout Joints Easy to Use Tile Grout Pen Whitener for Restoring Discoloured & Faded Joints 1x7ml
- Price
- £3.69
- Rating
- 4.1/5
- Reviews
- 20,814
- Age
- 12y ago

Grout Pen Twin Pack | White | 2 x 7ml | Make the appearance of grout cleaner
- Price
- £6.17
- Rating
- 4.3/5
- Reviews
- 81
- Age
- 9mo ago

Twin Pack White Grout Pen - Designed for restoring tile grout in bathrooms & kitchens (White)
- Price
- £6.74
- Rating
- 4.2/5
- Reviews
- 6,777
- Age
- 4y ago

Flintronic 6PCS Grout Pen White Tile Paint Marker with Replacement Nib Tiles Grout Pen Wall Repair Pens Tile Grout Reviver Pens for Bathrooms Kitchen Floor Tile Wall Lines
- Price
- £5.16
- Rating
- 3.8/5
- Reviews
- 1,584
- Age
- 2y ago
Newest
by launch date
Grout Pen Twin Pack | White | 2 x 7ml | Make the appearance of grout cleaner
- Price
- £6.17
- Rating
- 4.3/5
- Reviews
- 81
- Age
- 9mo ago

Flintronic 6PCS Grout Pen White Tile Paint Marker with Replacement Nib Tiles Grout Pen Wall Repair Pens Tile Grout Reviver Pens for Bathrooms Kitchen Floor Tile Wall Lines
- Price
- £5.16
- Rating
- 3.8/5
- Reviews
- 1,584
- Age
- 2y ago

Twin Pack White Grout Pen - Designed for restoring tile grout in bathrooms & kitchens (White)
- Price
- £6.74
- Rating
- 4.2/5
- Reviews
- 6,777
- Age
- 4y ago

Unibond Grout Reviver Pen White Grout Pen for Bathroom Grout Joints Easy to Use Tile Grout Pen Whitener for Restoring Discoloured & Faded Joints 1x7ml
- Price
- £3.69
- Rating
- 4.1/5
- Reviews
- 20,814
- Age
- 12y ago

3 x White Grout Pens - Designed for Restoring Tile Grout in bathrooms & Kitchens
- Price
- £11.31
- Rating
- 4.3/5
- Reviews
- 1,998
- Age
- 14y ago
Competition
Competition: brands, sellers & click share
The top 5 products take 97% of clicks. A locked shelf that new listings rarely crack.
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.
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
Goes everywhere doesn't do it right
Did not work
Doesnt work very well
Not the best product
Utter garbage
Poor quality
Not worth the price
Overpriced
a total waste of money
not sure if it is long lasting or not
Some pens can break pretty quick
Split after 2 mins
Always difficult to use
Not as easy as it says to use
Little bit difficult to get it going
Love
Easy to use
Easy to apply
it's quick to do
Better than expected
Just what I wanted
As described
No mess at all
Excellent Product
quality solution that looks good
Good value
Good value for money
Great value for money
Seems to work ok
Does the job perfect
Worked wonderfully
Return
0.3% Return rate 29% Fixable by listing
Goes everywhere doesn't do it right
Did not work
Doesnt work very well
Not the best product
Utter garbage
Poor quality
Doesnt work just leaks everywhere
Liquid leaking from side
pens leak
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Grout Pen questions
Answered from the same tracked data.








