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iphone 8 plus case

Skip it

A small market ($51K/yr) — this niche doesn't clear our bar today.

Market size 13Growth 16Conversion 59Competition 74Returns 76Price range 35Avg price 19Brand share 79Review moat 24Quality gap 57

Brand share

Great56%

top-5 brand share — no brand owns this niche

Returns

Great1.9%

return rate — above 5% kills the launch gate

Competition

Good41%

top-5 click share — leaders hold, buyers still browse

Conversion

Good5.1%

search→purchase rate — share of searches ending in a sale

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Price range

Okay£2.66–£21.66

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Bad5,497.11

avg incumbent reviews — the moat a new listing must climb

Avg price

Bad£7.02

avg listing price — sweet spot $15–$100

Growth

Bad-18.2%

90-day search growth — must beat 0% to launch

Market size

Bad£51K

£51K/yr · 142K searches

According to Flapen's Amazon United Kingdom niche tracking, iphone 8 plus case is a £51K/yr Amazon United Kingdom market (142K searches/yr). The top 5 brands hold 56% of demand. Demand peaks in Aug–Sep–Dec. Verdict: Skip it — 46/100.

Data updated Jul 25, 2026 · scored weekly · How we score niches

iphone 8 plus case market data

Units sold / yr
6K–8K
avg 100–250/product
Revenue / yr
£42K–£56K
units × avg price
Conversion rate
5.1%
Avg BSR
#3,644
Page quality
0%
Prime
100%
Sponsored
86%
Out of stock
8.0%
Avg brand age
48 months
Avg seller age
205 days

Competition & brand share

The top 5 products take 41% of clicks — established leaders, but buyers still shop beyond them.

Brands

25 falling

Sellers

32

Top-5 brand share

56%

Top 20: 97%

Top-5 click share

41%

Top 20: 86%

Open market

39%

  • kwmobile14%
  • JETech11%
  • 4youquality11%
  • DN-Technology11%
  • DUEDUE10%
  • Whioltl5%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -18.2% search growth over the last 90 days.
7K5KHoliday '24Spike '25SepDecMarJunAugNovMarMay

Peak months: Aug, Sep, Dec · busiest ÷ quietest = 2.2×

Top iphone 8 plus case search terms

  • iphone 8 plus phone case64K/yr
  • iphone 8 plus case29K/yr
  • iphone 7 plus phone case24K/yr
  • iphone 7 plus case17K/yr
  • iphone 8plus phone case5K/yr
  • iphone 7plus phone case3K/yr
All search terms

Top iphone 8 plus case products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%3%£2K6%£3K9%£5K12%£6K1101001K10K100K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

What buyers say about iphone 8 plus case

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall27%

“Great, quality case with a good grip”

Size-Overall22%

“Fits perfectly”

Value For Money11%

“Value for money”

Strength9%

“It feels sturdy”

Advertised Vs Actual Product7%

“Does the job”

Weight Light5%

“was pleasantly surprised that it isnt too bulky at all”

Product Condition4%

“My phone looks like new”

Grip3%

“Great, quality case with a good grip”

Durability3%

“Made my old phone feel like new again”

Comfort-Overall2%

“comfort when holding is impeccable”

What buyers complain about

Durability23%

“Broke”

Compatibility-Overall18%

“Doesn't fit iPhone 8+ Does not fit iPhone 8+”

Size-Overall18%

“Too big”

Weight Heavy9%

“Heavy”

Ease Of Use9%

“The prop ring is fiddly to use”

Charging5%

“the charging point has just snapped on me”

Strength5%

“Fragile”

Drop/Impact Protection5%

“it falls off”

Value For Money5%

“The price should be reduced very heavily”

Top return reasons

Size-Overall61%
Compatibility-Overall8%
Advertised Vs Actual Product5%
Color4%
Quality-Overall3%
Strength3%
Magnetic Strength/Adsorption2%
Touch/Button Controls2%
Material Quality2%
Defective Material/Parts2%

Common questions

Is iphone 8 plus case profitable to sell on Amazon United Kingdom?
The niche generates £51K/yr across 35 tracked products. 0 of 3 products launched in the last 360 days are still selling. 90-day search growth is -18.2%. Flapen's verdict: Skip it (46/100).
How competitive is the iphone 8 plus case niche?
25 brands and 32 sellers compete. The top 5 products take 41% of clicks and top 5 brands hold 56% of demand.
What do buyers complain about in iphone 8 plus case?
Top complaints mined from reviews: Durability, Compatibility-Overall, Size-Overall. The return rate is 1.9%.
When does demand for iphone 8 plus case peak?
Demand peaks in Aug–Sep–Dec; the busiest month runs 2.2× the quietest.
What does it cost to enter the iphone 8 plus case niche?
Listings span £2.66–£21.66; the average listing price is £7.02 (sweet spot $15–$100). The average incumbent carries 5,497 reviews — the moat a new listing must climb.