Is s21 ultra s pen profitable to sell on Amazon United States?

The niche generates $436K/yr across 30 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is -21.6%. Flapen's verdict: Worth a look (55/100).

How competitive is the s21 ultra s pen niche?

16 brands and 54 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 78% of demand.

What do buyers complain about in s21 ultra s pen?

Top complaints mined from reviews: Functionality-Overall, Compatibility-Overall, Quality-Overall. The return rate is 1.4%.

When does demand for s21 ultra s pen peak?

Demand peaks in Dec; the busiest month runs 1.6× the quietest.

What does it cost to enter the s21 ultra s pen niche?

Listings span $6.97–$83.11; the average listing price is $22.10 (sweet spot $15–$100). The average incumbent carries 2,033 reviews — the moat a new listing must climb.

s21 ultra s pen

Worth a look

Shows a sweet-spot price point ($22.10 avg), but soft demand (-21.6% this quarter) keeps it on the watch list.

Avg price

Great$22.10

avg listing price — sweet spot $15–$100

Returns

Great1.4%

return rate — above 5% kills the launch gate

Price range

Great$6.97–$83.11

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

Quality gap

Great4.3★

avg incumbent rating — lower means beatable quality

Competition

Good48%

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

Market size

Good$436K

$436K/yr · 673K searches

Review moat

Okay2,032.5

avg incumbent reviews — the moat a new listing must climb

Brand share

Okay78%

top-5 brand share — brands hold most of the demand

Conversion

Okay2.9%

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

Growth

Bad-21.6%

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

According to Flapen's Amazon United States niche tracking, s21 ultra s pen is a $436K/yr Amazon United States market (673K searches/yr). The top 5 brands hold 78% of demand. Demand peaks in Dec. Verdict: Worth a look — 55/100.

Data updated Jul 6, 2026 · scored weekly · How we score niches

s21 ultra s pen market data

Units sold / yr: 15K–20K; avg 500–750/product
Revenue / yr: $332K–$442K; units × avg price
Conversion rate: 2.9%
Avg BSR: #207
Page quality: 0%
Prime: 100%
Sponsored: 73%
Out of stock: 4.8%
Avg brand age: 40 months
Avg seller age: 178 days

Competition & brand share

The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.

Brands

16 falling

Sellers

Top-5 brand share

78%

Top 20: 100%

Top-5 click share

48%

Top 20: 88%

Open market

18%

Samsung32%
Rgar28%
Dogxiong9%
yelzoolny5%
Mingxiong4%
Alovexiong3%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -21.6% search growth over the last 90 days.

Peak months: Dec · busiest ÷ quietest = 1.6×

Open Trend

Top s21 ultra s pen search terms

s pen121K/yr -21.2%1.2% conv.
samsung s pen72K/yr -0.4%1.4% conv.
samsung pen54K/yr -19.3%1.8% conv.
samsung tablet pen50K/yr -21.4%2.8% conv.
samsung pen for tablets40K/yr -28.2%2.8% conv.
samsung stylus32K/yr -11.1%2.1% conv.
spen61K/yr -60.8%1.0% conv.
s pen pro35K/yr -26.3%0.4% conv.
samsung stylus pen for tablet27K/yr -13.1%3.2% conv.
samsung tablet stylus pen24K/yr -6.7%3.1% conv.

All search terms

Top s21 ultra s pen 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

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

Top sellers

by 90-day click share

Stylus Pen Android for Samsung Galaxy Tab A11+/A11/A9/A9Plus/A8/A8plus/A7/A7lite Tablet S Pencil Touchscreens Stylists Pen(Pink)

Rgar$8.354.1★1,424 rev

Samsung Galaxy Tab S9 Series S Pen for Writing Drawing Navigating Tablet Easy Charging on Magnetic Holder IP68 Rating Air Command for Personalized Actions US Version EJ-PX710BBEGUJ Black

Samsung$40.204.4★411 rev

Stylus Pen Android for Samsung Galaxy Tab A11+/A11/A9/A9Plus/A8/A8plus/A7/A7lite Tablet S Pencil Touchscreens Stylists Pen(Black)

Rgar$8.574.1★1,424 rev

Samsung Galaxy S Pen for Tab S11/S11 Ultra Ergonomic Design Natural Touch Stylish Stylus Durable US Version White

Samsung$55.984.6★74 rev

Mystic Black Tab S7 FE Pen for Samsung Galaxy Tab S7 FE SPen Stylus Pen Replacement + Free 5 Tips for Samsung Galaxy Tab S7 FE Stylus S Pen

Dogxiong$12.694.3★852 rev

Newest

by launch date

Stylus Pen for Samsung Galaxy Tab A11 / A11+ A9 / A9+ A8 A7 Lite Active Capacitive Pencil for Samsung Android Tablet & iOS Touchscreens High Precision Digital Pen with 4 Tips (Blue)

yelzoolny$7.09279 rev

5mo ago

Samsung Galaxy S Pen for Tab S11/S11 Ultra Ergonomic Design Natural Touch Stylish Stylus Durable US Version White

Samsung$55.9874 rev

10mo ago

Galaxy Tab S9 FE S Pen Replacement for Samsung Galaxy Tablet S9 FE Stylus - Air Command Magnetic Attraction Compatible with Tablet S9 FE/S10 FE Stylus Pen (Gray)

yelzoolny$10.45172 rev

11mo ago

Galaxy S25 Ultra S Pen Replacement for Samsung Galaxy S25 Ultra Stylus Pen S25 Ultra Pen Replacement for Samsung Galaxy S25 Ultra 5G 6.9 in All Versions S Pen EJ-PS938BBEGUJ(Black)

Mingxiong$11.321,139 rev

1y ago

Galaxy S25 Ultra S Pen for Samsung Galaxy S25 Ultra SPen Replacement US Version EJ-PS938BBEGUJ Samsung Galaxy S25 Ultra Stylus Pen for Samsung Galaxy S25 Ultra (Black)

Alovexiong$10.16328 rev

1y ago

What buyers say about s21 ultra s pen

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

What buyers love

Compatibility-Overall14%

“It paired easily”

Value For Money12%

“Great Value”

Quality-Overall11%

“Good quality build and look sleek”

Advertised Vs Actual Product11%

“Exactly as described”

Ease Of Use8%

“Easy to hold”

Size-Overall7%

“Perfect length”

Touch/Button Controls4%

“Works Very well on my touch screen”

Color3%

“Good neutral colors too”

Durability3%

“Feels durable, metal, comes with plenty of replacement nibs”

Functionality-Overall2%

“works very well”

What buyers complain about

Functionality-Overall15%

“Did not work”

Compatibility-Overall11%

“Not Compatible”

Quality-Overall11%

“Horrible quality”

Durability10%

“Breaks easily”

Charging7%

“now won't charge”

Touch/Button Controls6%

“The click button broke almost immediately”

Value For Money5%

“A little expensive”

Size-Overall3%

“They were to long”

Ease Of Use3%

“Difficult to use”

Connectivity-Overall3%

“Doesn't connect”

Top return reasons

Compatibility-Overall33%

Functionality-Overall24%

Connectivity-Overall6%

Size-Overall6%

Advertised Vs Actual Product5%

Defective Material/Parts4%

Value For Money3%