purple mattress king
Skip itPricing outside the sweet spot ($1005.76 avg) — this niche doesn't clear our bar today.
Market size
Great$2.0M$2.0M/yr · 361K searches
Returns
Incredible1.0%return rate — above 5% kills the launch gate
Quality gap
Great4.2★avg incumbent rating — lower means beatable quality
Review moat
Good799.75avg incumbent reviews — the moat a new listing must climb
Competition
Okay59%top-5 click share — leaders hold, buyers still browse
Brand share
Okay89%top-5 brand share — brands hold most of the demand
Growth
Bad-11.7%90-day search growth — must beat 0% to launch
Conversion
Bad0.5%search→purchase rate — share of searches ending in a sale
Avg price
Bad$1005.76avg listing price — sweet spot $15–$100
Price range
Bad$244.81–$2131.22cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United States niche tracking, purple mattress king is a $2.0M/yr Amazon United States market (361K searches/yr). The top 5 brands hold 89% of demand. Verdict: Skip it — 48/100.
Data updated Jul 30, 2026 · scored weekly · How we score niches
purple mattress king market data
- Units sold / yr
- 3K–3K
- avg 100–250/product
- Revenue / yr
- $2.5M–$3.0M
- units × avg price
- Conversion rate
- 0.5%
- Avg BSR
- #205
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 85%
- Out of stock
- 5.6%
- Avg brand age
- 23 months
- Avg seller age
- 168 days
Competition & brand share
The top 5 products take 59% of clicks — established leaders, but buyers still shop beyond them.Brands
10 rising
Sellers
21
Top-5 brand share
89%
Top 20: 100%
Top-5 click share
59%
Top 20: 100%
Open market
8%
- Nectar55%
- Purple14%
- Sweetnight9%
- MLILY7%
- FANSACE4%
- Casper3%
- Open — no brand owns it (4 brands, 8%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -11.7% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.5×
Top purple mattress king search terms
- nectar mattress king131K/yr
- casper king mattress31K/yr
- purple mattress king45K/yr
- nectar king mattress25K/yr
- casper mattress king13K/yr
- purple king mattress13K/yr
- nectar king size mattress11K/yr
- nectar hybrid mattress king11K/yr
- king size purple mattress12K/yr
- purple mattress king size6K/yr
Top purple mattress king 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.
All 20 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Nectar 12 Memory Foam Mattress King- Medium Firm 1-Year Trial
Nectar$828.654.3★994 rev
Nectar Luxe 14 Memory Foam Mattress King- Medium Firm 1-Year Trial
Nectar$1415.194.0★109 rev
Nectar 12 Hybrid Mattress King- Medium Firm 1-Year Trial
Nectar$965.814.3★280 rev
Sweetnight CoolNest 14 Inch King Size Mattress Cooling Memory Foam Mattress
Sweetnight$494.244.5★1,124 rev
Purple Mattress King 9.25 GelFlex Grid Better Than Memory Foam Pressure Relief Temperature Neutral Breathable Motion Isolation Made in USA
Purple$1760.844.5★1,518 rev
Newest
by launch date
FANSACE Hybrid King Mattress 14 Inch Firm Pressure Relief(14K05SAC)
FANSACE$422.3334 rev
FANSACE Hybrid 14 Inch King Mattress for Back Pain (14K12SAC)
FANSACE$432.5416 rev
Sleepmax King Size Mattress 14 Inch - Deep Sleep Hybrid Mattress for Pain Relieving - Deluxe Cooling Bed in a Box for Back & Side Sleepers - CertiPUR-US Certified 365-Night Trial Forever Warranty
Sleepmax$592.20241 rev
Novilla Bliss Cooling King Size Mattress 14 Inch Gel King Memory Foam
Novilla$416.31751 rev
DreamCloud 12 King Mattress Hybrid Memory Foam 365-Night Trial
DreamCloud$823.86317 rev
Trending
90-day click momentumSleepmax King Size Mattress 14 Inch - Deep Sleep Hybrid Mattress for Pain Relieving - Deluxe Cooling Bed in a Box for Back & Side Sleepers - CertiPUR-US Certified 365-Night Trial Forever Warranty
Sleepmax$592.204.5★
FANSACE Hybrid King Mattress 14 Inch Firm Pressure Relief(14K05SAC)
FANSACE$422.334.0★
FANSACE Hybrid 14 Inch King Mattress for Back Pain (14K12SAC)
FANSACE$432.543.2★
PurpleFlex King Mattress 8 Inch Cooling Mattress with 2 Inch GelFlex Grid
Purple$1456.574.0★
Novilla Bliss Cooling King Size Mattress 14 Inch Gel King Memory Foam
Novilla$416.314.7★
What buyers say about purple mattress king
What buyers praise and complain about, mined from review topics.What buyers love
“Mattress is comfortable”
“Amazing quality mattress”
“Excellent value for money”
“Great mattress soft”
“Amazing quality”
“fits my needs perfectly”
“easy to set up”
“no sagging of the bed”
“a huge plus was that there was absolutely no weird chemical smell”
“it fully expanded to its shape”
What buyers complain about
“Back pain& discomfort”
“not that soft”
“does not last”
“Absolute awful mattress”
“The surface now sags significantly”
“Not Quality”
“better price”
“Not as advertised”
“It is very flimsy and collapses”
“The off gassing chemical smell is so horrific it completely took over a portion of our house”
Top return reasons
Common questions
- Is purple mattress king profitable to sell on Amazon United States?
- The niche generates $2.0M/yr across 20 tracked products. 4 of 4 products launched in the last 360 days are still selling. 90-day search growth is -11.7%. Flapen's verdict: Skip it (48/100).
- How competitive is the purple mattress king niche?
- 10 brands and 21 sellers compete. The top 5 products take 59% of clicks and top 5 brands hold 89% of demand.
- What do buyers complain about in purple mattress king?
- Top complaints mined from reviews: Comfort-Overall, Hard Feel, Durability. The return rate is 1.0%.
- When does demand for purple mattress king peak?
- Demand is steady year-round — the busiest month runs 1.5× the quietest.
- What does it cost to enter the purple mattress king niche?
- Listings span $244.81–$2131.22; the average listing price is $1005.76 (sweet spot $15–$100). The average incumbent carries 800 reviews — the moat a new listing must climb.