esp32
Worth a lookShows a thin review moat (215 avg reviews), but a small market ($74K/yr) keeps it on the watch list.
Review moat
Great215.2avg incumbent reviews — the moat a new listing must climb
Returns
Great1.3%return rate — above 5% kills the launch gate
Price range
Good£4.92–£40.63cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Good£13.78avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good51%top-5 click share — leaders hold, buyers still browse
Brand share
Good73%top-5 brand share — brands hold most of the demand
Conversion
Okay2.6%search→purchase rate — share of searches ending in a sale
Growth
Okay+1.0%90-day search growth — must beat 0% to launch
Market size
Bad£74K£74K/yr · 207K searches
According to Flapen's Amazon United Kingdom niche tracking, esp32 is a £74K/yr Amazon United Kingdom market (207K searches/yr). The top 5 brands hold 73% of demand. Verdict: Worth a look — 50/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
esp32 market data
- Units sold / yr
- 6K–8K
- avg 250–500/product
- Revenue / yr
- £83K–£110K
- units × avg price
- Conversion rate
- 2.6%
- Avg BSR
- #144
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 80%
- Out of stock
- 0.6%
- Avg brand age
- 37 months
- Avg seller age
- 182 days
Competition & brand share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.Brands
21 rising
Sellers
37
Top-5 brand share
73%
Top 20: 99%
Top-5 click share
51%
Top 20: 87%
Open market
24%
- ELEGOO37%
- diymore16%
- DST8%
- FREENOVE7%
- JZK5%
- ESP4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +1.0% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.6×
Top esp32 search terms
- esp32152K/yr
- esp32 development board18K/yr
- esp16K/yr
- esp 329K/yr
- esp32 devkit3K/yr
- esp32 devkit v13K/yr
- esp32 wroom4K/yr
- esp32 board2K/yr
Top esp32 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 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
ELEGOO ESP-32 Development Board 2PCS USB C 2.4GHz Dual Mode WiFi+Bluetooth Dual Core Microcontroller for Arduino IDE Support MicroPython NodeMCU AP/STA/AP+STA CP2102 Chip
ELEGOO£11.404.6★630 rev

ELEGOO ESP-32 Development Board 3PCS USB C 2.4GHz Dual Mode WiFi+Bluetooth Dual Core Microcontroller for Arduino IDE Support MicroPython NodeMCU AP/STA/AP+STA CP2102 Chip
ELEGOO£15.144.6★630 rev

diymore 3PCS ESP32 Development Board Type C ESP-32 2.4GHz Dual Mode WiFi+Bluetooth Microcontroller CH340C Chip Module for Arduino IDE Support MicroPython NodeMCU AP/STA/AP+STA
diymore£11.784.2★366 rev

ESP32 WROOM-32 Development Board Wi-Fi Bluetooth BLE 2.4 GHz
DST£10.124.2★20 rev

ELEGOO ESP-32 Super Starter Kit with Tutorial and Development Board USB-C Dual Core Microcontroller Support AP/STA/AP+STA CP2102 Chip Compatible with Arduino IDE
ELEGOO£31.594.4★56 rev
Newest
by launch date
Ideaspark ESP32 Development Board with Integrated 0.96-Inch OLED Display WiFi + BLE Wireless Module USB Interface Compatible with CH340 Driver for Arduino and MicroPython (Pre-Soldered Headers)
ideaspark£5.790 rev

GIONAR 3PCS ESP32 Development Board CH340C TYPE-C Dual-Core WiFi + Bluetooth with USB-C Support Arduino IDE & MicroPython/NodeMCU AP/STA/AP+STA CP2102 Chip
GIONAR£11.812 rev

ELEGOO ESP-32 Super Starter Kit with Tutorial and Development Board USB-C Dual Core Microcontroller Support AP/STA/AP+STA CP2102 Chip Compatible with Arduino IDE
ELEGOO£31.5956 rev

GLEDOPTO ESP32 WLED Digital LED Controller with 4 Channel 15A Fuse Mic Sound UART DIY FCOB Addressable Strip Light for WS2811 WS2812 SK6812 TM1814 WS2813 WS2815 (GL-C-017WL-D)
GLEDOPTO£25.0567 rev

diymore 4PCS ESP32-C3 Development Board Mini ESP32 C3 Mini WiFi Bluetooth Module for IOT Projects
diymore£12.1363 rev
Trending
90-day click momentum
Ideaspark ESP32 Development Board with Integrated 0.96-Inch OLED Display WiFi + BLE Wireless Module USB Interface Compatible with CH340 Driver for Arduino and MicroPython (Pre-Soldered Headers)
ideaspark£5.790.0★

ESP Quick Change Ronnie Booms: Camo Brown Small 0.3g
ESP£7.174.7★

ESP Trig Hammer Barbed Ronnie Rig : 5
ESP£6.274.5★

GIONAR 3PCS ESP32 Development Board CH340C TYPE-C Dual-Core WiFi + Bluetooth with USB-C Support Arduino IDE & MicroPython/NodeMCU AP/STA/AP+STA CP2102 Chip
GIONAR£11.814.5★

XTVTX ESP-32 DevKitC ESP-32 Development Board NodeMCU-32 ESP-WROOM 32D CP2102 Chip Successor module of the ESP-32 DevKit compatible with IDE
XTVTX£5.204.5★
What buyers say about esp32
What buyers praise and complain about, mined from review topics.What buyers love
“Great value”
“Works as advertised”
“connecting thunder fast”
“seems compatible, do not have to press boot loader button as much as on some other clones”
“That makes it a lot more convenient than some of the others”
“Very easy to setup tutorial is excellent the best kit I have seen and used”
“got a good branded board”
“Looks great if it works”
“Can confirm these are correct and working perfectly, EXCEPT the listing states Quad PSRAM,”
“Signal is strong”
What buyers complain about
“I just wish they would have simply ensured quality control is better”
“Something to note that is absent from the instructions that beginners may not know is that you may need to install drivers for the specific ESP-32 chip in order for Arduino IDE to detect it”
“Beware that the description is wrong”
“try to connect anything else the regular gets very hot”
“Wifi not working”
“are very small”
“Very disappointing for £10”
“Has limited use”
“Failed after a few months of use”
“It's a display that's cheap and yellow”
Top return reasons
Common questions
- Is esp32 profitable to sell on Amazon United Kingdom?
- The niche generates £74K/yr across 35 tracked products. 1 of 5 products launched in the last 360 days are still selling. 90-day search growth is +1.0%. Flapen's verdict: Worth a look (50/100).
- How competitive is the esp32 niche?
- 21 brands and 37 sellers compete. The top 5 products take 51% of clicks and top 5 brands hold 73% of demand.
- What do buyers complain about in esp32?
- Top complaints mined from reviews: Quality-Overall, Instructions/User Manual/Troubleshooting, Advertised Vs Actual Product. The return rate is 1.3%.
- When does demand for esp32 peak?
- Demand is steady year-round — the busiest month runs 1.6× the quietest.
- What does it cost to enter the esp32 niche?
- Listings span £4.92–£40.63; the average listing price is £13.78 (sweet spot $15–$100). The average incumbent carries 215 reviews — the moat a new listing must climb.