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esp32-s3

Worth a look

Shows a thin review moat (77 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Market size 54Growth 50Conversion 53Competition 48Returns 83Price range 95Avg price 94Brand share 46Review moat 96Quality gap 70

Review moat

Incredible76.62

avg incumbent reviews — the moat a new listing must climb

Price range

Incredible$15.40–$39.54

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

Avg price

Great$22.51

avg listing price — sweet spot $15–$100

Returns

Great1.6%

return rate — above 5% kills the launch gate

Quality gap

Good4.3★

avg incumbent rating — lower means beatable quality

Market size

Good$367K

$367K/yr · 370K searches

Conversion

Good4.4%

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

Growth

Good+20.2%

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

Competition

Okay56%

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

Brand share

Okay77%

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

According to Flapen's Amazon United States niche tracking, esp32-s3 is a $367K/yr Amazon United States market (370K searches/yr). The top 5 brands hold 77% of demand. Demand peaks in May–Jun–Jul. Verdict: Worth a look — 62/100.

Data updated Jul 21, 2026 · scored weekly · How we score niches

esp32-s3 market data

Units sold / yr
15K–20K
avg 500–750/product
Revenue / yr
$338K–$450K
units × avg price
Conversion rate
4.4%
Avg BSR
#9,481
Page quality
0%
Prime
90%
Sponsored
81%
Out of stock
0.0%
Avg brand age
33 months
Avg seller age
190 days

Competition & brand share

The top 5 products take 56% of clicks — established leaders, but buyers still shop beyond them.

Brands

13 falling

Sellers

18

Top-5 brand share

77%

Top 20: 100%

Top-5 click share

56%

Top 20: 99%

Open market

18%

  • Hosyond25%
  • LONELY BINARY22%
  • seeed studio19%
  • DORHEA6%
  • ACEIRMC5%
  • AYWHP4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +20.2% search growth over the last 90 days.
10K6KSpike '24Holiday '24Prime Day '25Spike '25Holiday '25Spike '26SepDecMarJunAugNovMarMay

Peak months: May, Jun, Jul · busiest ÷ quietest = 2.7×

Top esp32-s3 search terms

  • esp32-s3143K/yr
  • esp32 s372K/yr
  • xiao33K/yr
  • esp32s321K/yr
  • esp32-s3-devkitc-110K/yr
  • esp 32 s37K/yr
  • xiao genshin17K/yr
  • xiao esp32-s35K/yr
  • seeed studio xiao esp32-s35K/yr
  • esp32-s3 development board4K/yr
All search terms

Top esp32-s3 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%10%$37K20%$73K30%$110K40%$147K1101001K Reviews — right = deep review moat Market share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 21 tracked products in this niche — three views at once, no toggling.

What buyers say about esp32-s3

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

What buyers love

Quality-Overall16%

“Build quality is solid”

Value For Money11%

“well worth it”

Connectivity-Overall8%

“Connectivity is great”

Design-Overall7%

“looks sleek”

Ease Of Use5%

“easy to work with”

Advertised Vs Actual Product5%

“Works as advertised”

Assembly/Installation5%

“and they install CircuitPython fine”

Instructions/User Manual/Troubleshooting4%

“their wiki was good guidance”

Socket/Port/Plug3%

“the two usb-c ports thing is super nice”

Compatibility-Overall3%

“Programs successfully on Windows”

What buyers complain about

Connectivity-Overall7%

“that was what was preventing the connection in the first place”

Quality-Overall7%

“Poor quality boards”

Compatibility-Overall7%

“It is not step by step compatible with ESP/Vs Code instructions”

Size-Overall7%

“Very very tiny”

Advertised Vs Actual Product6%

“Not as pictured”

Socket/Port/Plug6%

“brittle port state”

Functionality-Overall5%

“none of the camera boards worked”

Ease Of Use3%

“Though a bit of a pain”

Assembly/Installation2%

“void setup() {”

Value For Money2%

“its a tiny bit expensive”

Top return reasons

Functionality-Overall19%
Connectivity-Overall14%
Defective Material/Parts11%
Compatibility-Overall8%
Advertised Vs Actual Product8%
Value For Money7%
Socket/Port/Plug5%
Camera Quality5%
Size-Overall4%
Heating3%

Common questions

Is esp32-s3 profitable to sell on Amazon United States?
The niche generates $367K/yr across 21 tracked products. 5 of 6 products launched in the last 360 days are still selling. 90-day search growth is +20.2%. Flapen's verdict: Worth a look (62/100).
How competitive is the esp32-s3 niche?
13 brands and 18 sellers compete. The top 5 products take 56% of clicks and top 5 brands hold 77% of demand.
What do buyers complain about in esp32-s3?
Top complaints mined from reviews: Connectivity-Overall, Quality-Overall, Compatibility-Overall. The return rate is 1.6%.
When does demand for esp32-s3 peak?
Demand peaks in May–Jun–Jul; the busiest month runs 2.7× the quietest.
What does it cost to enter the esp32-s3 niche?
Listings span $15.40–$39.54; the average listing price is $22.51 (sweet spot $15–$100). The average incumbent carries 77 reviews — the moat a new listing must climb.