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Secret Diary for Girls

Maybe

An estimated 0.9% of orders come back. But demand is soft, at -11.7% this quarter, so Secret Diary for Girls is a Maybe.

Flapen Score
54
54 / 100
Top 18% of 835 Stationery & Office Supplies niches · +7 vs the category median of 47
Market size
£105K/yr233K searches / yr
90-day growth
-11.7%search demand this quarter
Competition
36%top-5 click share · 24 brands · 59 sellers

Flapen Score

Secret Diary for Girls against its category

The dotted line is the Stationery & Office Supplies average. Past it, Secret Diary for Girls is stronger. Inside it, weaker.

54Maybe
Big MarketTrendingHigh ConversionOpen MarketLow ReturnsPrice rangeAvg priceNo Dominant BrandLow Review BarrierQuality Gap
This niche Category average

Market

The Secret Diary for Girls market on Amazon at a glance

Shoppers on Amazon United Kingdom searched for Secret Diary for Girls 233K times last year and spent an estimated £105K. The top 5 brands take 65% of clicks. Demand peaks in Nov–Dec. Flapen scores it 54 out of 100, a Maybe.

01 · Demand

An estimated 4.2% of those searches ended in a purchase.

Shoppers searched for this 233K times in the last 12 months. That counts every search on Amazon United Kingdom for this niche's terms. An estimated 4.2% of those searches ended in a purchase. Searches in the last 90 days moved -11.7% against the 90 days before. Searches, conversion and average price together put the market at an estimated £105K a year.

Searches, last 12 months
233K
Growth, 90 days vs prior 90
-11.7%
Conversion, latest week
4.2%
Market size, estimated
£105Ka year
Peak month
December5.2× the quietest month
Top search term
secret diary for girls45K searches a year

02 · Price

A sale here is worth £10.84.

Listings sell for £10.84 on average, from £4.95 to £35.90. Amazon reports units sold in ranges. This niche sold 8K to 10K a year. The average listing sells 100 to 250 of them. At £10.84 that is £1K to £3K a year per listing.

Average price
£10.84under the $15 to $100 sweet spot
Price range
£4.95–£35.90
Amazon United Kingdom median price
£12.12across 27,606 niches
Units sold a year
8K–10K
Units per listing a year
100–250
Revenue per listing a year
£1K–£3K
Returns
0.9%of orders · Amazon United Kingdom median 0.6%

03 · Entry bar

The bar here is low.

86% of listings pay for placement with sponsored ads. 100% ship with Prime. On an average day, 7.1% of listings are out of stock. The average listing ranks #75 within Notebooks, Writing Pads & Diaries. It carries 256 reviews at 4.52 stars, so a new listing needs social proof before a better product.

Sponsored listings
86%
Prime listings
100%
Out of stock, average day
7.1%
Average rank
#75in Notebooks, Writing Pads & Diaries
Average rating
4.52 starsAmazon United Kingdom average 4.36 stars
Average reviews
256per listing
Listings tracked
49

04 · Newcomers

0 of last year's 11 launches cleared the first-year sales bar.

11 products launched here in the last 12 months. 0 of them cleared the first-year sales bar, our mark for a successful launch. The brands on the shelf have sold for 31 months on average, so a newcomer is not facing entrenched names.

Launched, last 12 months
11
Successful launches
0Amazon's first-year sales bar
Average brand age
31 months

Products

Top Secret Diary for Girls 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 36% of clicks, no more. An open shelf where new products get seen.

£0£3K£6K£9K£13K1101001K10K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

24 falling

Sellers

59

Est. top-5 brand share

65%

Top 20: 98%

Est. top-5 click share

36%

Top 20: 77%

Open market

29%

  • GINMLYDA18%
  • JIALILI17%
  • Candcamp13%
  • Invalidism9%
  • VTech7%
  • Kteeurqer5%

Demand

Secret Diary for Girls search demand

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

15K10KSpike '24Holiday '24Prime Day '25Spike '25Black Friday '25Holiday '25Prime Day '26SepDecMarJunAugNovMarMay

Peak months: Nov, Dec · busiest ÷ quietest = 5.2×

Search terms

Top Secret Diary for Girls search terms shoppers use

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

  • secret diary for girls45K/yr
  • girls diary31K/yr
  • kids diary27K/yr
  • secret diary28K/yr
  • diary for girls20K/yr
  • diary with lock for girls16K/yr
  • girls diary with lock and key5K/yr
  • kids diary with lock and key9K/yr
  • diary for kids7K/yr
  • lockable diary for girls11K/yr

Reviews and returns

What reviews say buyers love and hate about Secret Diary for Girls

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

21%of positive reviews mention “Quality-Overall”
17%of negative reviews mention “Functionality-Overall”
0.9%of orders come back
“Doesnt work”
A buyer, on “Functionality-Overall”17% 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.

19 topics

NegativePositive

FAQ

Common Secret Diary for Girls 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