Is esp32-c3 profitable to sell on Amazon United States?

The niche generates $129K/yr across 14 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (57/100).

How competitive is the esp32-c3 niche?

10 brands and 13 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 86% of demand.

What do buyers complain about in esp32-c3?

Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Size-Overall. The return rate is 1.2%.

When does demand for esp32-c3 peak?

Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.

What does it cost to enter the esp32-c3 niche?

Listings span $10.01–$29.44; the average listing price is $15.80 (sweet spot $15–$100). The average incumbent carries 57 reviews — the moat a new listing must climb.

esp32-c3

Worth a look

Shows a thin review moat (57 avg reviews), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Review moat

Incredible56.57

avg incumbent reviews — the moat a new listing must climb

Returns

Great1.2%

return rate — above 5% kills the launch gate

Quality gap

Great4.1★

avg incumbent rating — lower means beatable quality

Conversion

Great7.4%

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

Avg price

Great$15.80

avg listing price — sweet spot $15–$100

Price range

Good$10.01–$29.44

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

Growth

Okay+17.4%

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

Brand share

Okay86%

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

Market size

Okay$129K

$129K/yr · 109K searches

Competition

Okay69%

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

Signals Low Review Barrier

According to Flapen's Amazon United States niche tracking, esp32-c3 is a $129K/yr Amazon United States market (109K searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 57/100.

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

esp32-c3 market data

Units sold / yr: 6K–8K; avg 250–500/product
Revenue / yr: $95K–$126K; units × avg price
Conversion rate: 7.4%
Avg BSR: #486
Page quality: 0%
Prime: 100%
Sponsored: 93%
Out of stock: 4.0%
Avg brand age: 25 months
Avg seller age: 222 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

10 flat

Sellers

Top-5 brand share

86%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

10%

seeed studio33%
Teyleten Robot29%
ACEIRMC13%
AITRIP7%
Aideepen5%
DWEII4%
Open — no brand owns it (4 brands, 10%)

Demand & seasonality

Weekly Amazon search volume, last 82 weeks — +17.4% search growth over the last 90 days.

Peak months: Nov, Dec · busiest ÷ quietest = 1.9×

Open Trend

Top esp32-c3 search terms

esp32-c334K/yr +11.6%5.7% conv.
esp32 c321K/yr +0.5%4.3% conv.
esp32-c3 super mini6K/yr +286.6%10.2% conv.
esp32c311K/yr -2.3%4.9% conv.
seeed studio xiao esp32c38K/yr +8.8%6.0% conv.
esp32 c3 super mini6K/yr +73.8%10.0% conv.
esp32-c3 supermini5K/yr +9.9%8.1% conv.
xiao esp325K/yr +1.0%0.9% conv.
xiao esp32c34K/yr -12.9%7.0% conv.
esp32 c3 mini4K/yr +22.0%4.1% conv.

All search terms

Top esp32-c3 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 14 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Teyleten Robot ESP32-C3 Development Board ESP32 Supermini Development Board ESP32 Development Board WiFi Bluetooth 3pcs

Teyleten Robot$12.934.3★85 rev

Seeed Studio XIAO ESP32C3 - Tiny MCU Board with Wi-Fi and BLE for IoT Controlling Scenarios. Microcontroller with Battery Charge Power Efficient and Rich Interface for Tiny Machine Learning.

seeed studio$10.014.7★357 rev

XIAO ESP32C3 3PCS Pack - RISC-V Tiny MCU Board with Wi-Fi and Bluetooth5.0 Battery Charge Supported Power Efficiency and Rich Interface

seeed studio$19.884.8★67 rev

Seeed Studio XIAO ESP32C3 (Pre-Soldered)

seeed studio$10.714.6★35 rev

ESP32 C3 Mini WiFi Bluetooth 160MHz 2.4GHz Wi-Fi & Bluetooth 5.0 Super Mini for Arduino (10pcs)

ACEIRMC$29.443.8★39 rev

Newest

by launch date

4Pcs ESP32-C3 Mini Development Board ESP32 Supermini Board with WiFi/Bluetooth 5.0 ESP32 Mini Module RISC-V 32-bit CPU 160MHz 400KB SRAM Ideal for IoT Arduin0 Wearables & Smart Home(4-Pack)

Aideepen$16.387 rev

4mo ago

SATUY 4Pcs ESP32-C3 Super Mini Development Board | Integrated WiFi BLE 5.0 Chip | 160MHz High-Performance Core Board | for Interactive Electronics and Robotics Projects

SATUY$15.8914 rev

6mo ago

Suuoo 3 Packs ESP32-C3 Super Mini Development Board 32-Bit Microcontroller Module Chip with WiFi & Bluetooth 4MB Flash USB-C Port Bare PCB Prototyping Board for DIY Electronics and IoT Projects

SUUOO$12.922 rev

6mo ago

DWEII 3PCS ESP32-C3 esp32-c3 Development Board ESP32 Supermini Development Board ESP32 Development Board WiFi Bluetooth

DWEII$11.7513 rev

7mo ago

5pcs Type-C ESP32-C3 Development Board ESP32 C3 Mini WiFi Bluetooth 160MHz Running Frequency 2.4GHz Wi-Fi & Bluetooth 5.0 ESP32 C3 Super Mini for Arduino

ACEIRMC$19.9814 rev

10mo ago

What buyers say about esp32-c3

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

What buyers love

Size-Overall11%

“The size was compact perfect for my use case”

Value For Money10%

“Price is right”

Connectivity-Overall10%

“all connected perfectly”

Quality-Overall9%

“Build quality is excellent”

Ease Of Use8%

“Easy to use”

Strength5%

“Small size Massively Powerful”

Assembly/Installation4%

“I was able to configure it”

Software/Application4%

“I was able to install a program really easily”

Functionality-Overall4%

“is very functional”

Design-Overall3%

“Design and Portability”

What buyers complain about

Connectivity-Overall33%

“once connecting the USB it will not even register at connected”

Functionality-Overall10%

“It will not run on a soft reboot from Thanny”

Size-Overall9%

“Small”

Advertised Vs Actual Product7%

“photos on product page are faked”

Compatibility-Overall3%

“COULD NOT GET THESE TO WORK WITH WLED”

Constant Reboot Or Restart3%

“board rebooting every second”

Durability3%

“thought dead at first”

Product Condition2%

“the last was clearly used”

Signal Strength1%

“The signal was 5db weaker if the on board antenna was removed”

Touch/Button Controls1%

“The buttons are borderline inaccessible for anyone with larger hands”

Top return reasons

Connectivity-Overall30%

Functionality-Overall16%

Defective Material/Parts11%

Compatibility-Overall9%

Value For Money8%

Advertised Vs Actual Product6%

Size-Overall5%

Heating3%

Socket/Port/Plug2%

Constant Reboot Or Restart1%

Common questions

Is esp32-c3 profitable to sell on Amazon United States?: The niche generates $129K/yr across 14 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +17.4%. Flapen's verdict: Worth a look (57/100).
How competitive is the esp32-c3 niche?: 10 brands and 13 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 86% of demand.
What do buyers complain about in esp32-c3?: Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Size-Overall. The return rate is 1.2%.
When does demand for esp32-c3 peak?: Demand peaks in Nov–Dec; the busiest month runs 1.9× the quietest.
What does it cost to enter the esp32-c3 niche?: Listings span $10.01–$29.44; the average listing price is $15.80 (sweet spot $15–$100). The average incumbent carries 57 reviews — the moat a new listing must climb.