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Zester

Zester shows low returns (0.5%), but prices mostly outside the sweet spot ($3.14–$14.28) keeps it on the watch list.

Flapen Score

50
Worth a look
Market size 28Growth 38Conversion 95Competition 52Returns 97Price range 0Avg price 18Brand share 65Review moat 24Quality gap 42
This niche Category average

Is Zester profitable on Amazon?

According to Flapen's Amazon United Kingdom niche tracking, Zester is a £124K/yr Amazon United Kingdom market (152K searches/yr). The top 5 brands hold 66% of demand. Demand peaks in Dec. Verdict: Worth a look — 50/100.

Zester: the Amazon niche in one read

Everything a seller checks before entering, in three answers.

Is the demand real?

Worth a look. Search demand moved +10.5% over the last 90 days and 12.2% of searches end in a purchase.

£124K

revenue / yr

Units sold / yr20K
Search volume / yr+10.5%152K
Conversion rate12.2%
Avg price£6.64

Who owns the niche?

The top 5 brands hold 66% of demand, so 34% of the market is open.

34%

open market share

Brands · sellers18 · 43
Top-5 product click share54%
Open market34%
Avg brand age40 months

Is there a way in?

Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.5★ — the gap to enter on.

0/100

page quality · 22 products

Sponsored placement77%
New entrants (1y)3· 0 succeeded
Avg rating4.5★
Avg reviews5,226

Top Zester products & what they sell for

Every tracked product — its share of the shelf, its review moat, and what it sells for.

Competition: brands, sellers & click share

The top 5 products take 54% of clicks — established leaders, but buyers still shop beyond them.

£0£12K£25K£37K£49K1101001K10K100K Review Count Sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

Brands

18 falling

Sellers

43

Top-5 brand share

66%

Top 20: 100%

Top-5 click share

54%

Top 20: 98%

Open market

28%

  • Diboniur23%
  • D.A.Y. Republic16%
  • Deiss13%
  • MasterChef7%
  • Pisol7%
  • Microplane6%

Zester demand & seasonality

Weekly search volume, with the niche's key stats alongside.

Volume152KCVR12.2%Products22Brands18Top 5 Brands66%OOS Rate0.6%Rating4.5★Reviews5,226Avg BSR#17
5K3KHoliday '24Prime Day '25Spike '25Black Friday '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: Dec · busiest ÷ quietest = 1.6×

Top Zester search terms shoppers use

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

  • zester58K/yr
  • lemon zester49K/yr
  • lemon zester grater tool15K/yr
  • zester grater18K/yr
  • citrus zester5K/yr
  • lemon grater4K/yr
  • lemon zester tool3K/yr

What reviews say buyers love and hate about Zester

What buyers mention most, as a share of all reviews.

What buyers love

84% of reviews
Quality-Overall21%

Brilliant quality

Ease Of Use14%

Easy to Use

Sharpness12%

Staying sharp and versatile to use

Advertised Vs Actual Product8%

does what its supposed to

Value For Money8%

Worth the money

What buyers complain about

67% of reviews
Quality-Overall13%

I would say that the build quality isn't the best - it does feel a bit flimsy

Functionality-Overall11%

Couldn't manage to grate parmesan as it just got caught on the grates and wouldn't move

Durability10%

fell apart after a few months of use

Size-Overall6%

as it is a little small to be really useful

Ease Of Use6%

Really hard to use

Zester return rate & reasons

Why buyers send it back, as a share of all return requests.

0.5%

Return rate

48%

Fixable by listing

The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.

1Size-Overall
41%
2Functionality-Overall
12%
3Quality-Overall
11%
4Sharpness
5%
5Durability
4%

Common Zester questions

The questions sellers ask about this niche, answered from the tracked metrics.

Flapen scores Zester 50/100 on Amazon United Kingdom — Worth a look. The niche generates £124K/yr across 22 tracked products. 0 of 3 products launched in the last 360 days are still selling. Search demand moved +10.5% over the last 90 days.
Search demand for Zester on Amazon United Kingdom peaks in Dec, where the busiest month runs 1.6× the quietest.