Is esp32 c3 profitable to sell on Amazon Germany?

The niche generates €37K/yr across 29 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is +7.0%. Flapen's verdict: Worth a look (51/100).

How competitive is the esp32 c3 niche?

12 brands and 20 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 85% of demand.

What do buyers complain about in esp32 c3?

Top complaints mined from reviews: Konnektivität – insgesamt, Reichweite, Benutzerfreundlichkeit. The return rate is 0.8%.

What does it cost to enter the esp32 c3 niche?

Listings span €6.61–€18.58; the average listing price is €10.92 (sweet spot $15–$100). The average incumbent carries 47 reviews — the moat a new listing must climb.

esp32 c3

Worth a look

Shows a thin review moat (47 avg reviews), but a small market ($37K/yr) keeps it on the watch list.

Review moat

Incredible46.66

avg incumbent reviews — the moat a new listing must climb

Returns

Incredible0.8%

return rate — above 5% kills the launch gate

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Conversion

Great7.5%

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

Competition

Okay57%

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

Avg price

Okay€10.92

avg listing price — sweet spot $15–$100

Growth

Okay+7.0%

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

Brand share

Okay85%

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

Price range

Okay€6.61–€18.58

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

Market size

Bad€37K

€37K/yr · 45K searches

Signals Low Review Barrier

According to Flapen's Amazon Germany niche tracking, esp32 c3 is a €37K/yr Amazon Germany market (45K searches/yr). The top 5 brands hold 85% of demand. Verdict: Worth a look — 51/100.

Data updated Jul 10, 2026 · scored weekly · How we score niches

esp32 c3 market data

Units sold / yr: 3K–4K; avg 100–250/product
Revenue / yr: €33K–€44K; units × avg price
Conversion rate: 7.5%
Avg BSR: #351
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 4.2%
Avg brand age: 23 months
Avg seller age: 251 days

Competition & brand share

The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.

Brands

12 flat

Sellers

Top-5 brand share

85%

Top 20: 100%

Top-5 click share

57%

Top 20: 92%

Open market

11%

DUBEUYEW44%
Heemol14%
AITRIP10%
GERUI9%
diymore7%
Waveshare4%
Open — no brand owns it (6 brands, 11%)

Top esp32 c3 search terms

esp32 c323K/yr -4.0%5.9% conv.
esp32-c310K/yr +13.4%6.4% conv.
esp32-c3 super mini4K/yr +99.9%9.5% conv.
esp32 c3 super mini5K/yr +11.7%10.4% conv.
esp32c33K/yr -22.3%7.2% 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 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

DUBEUYEW ESP32 ESP32-C3 Entwicklungsboard Mini ESP32 C3 unterstützt WiFi Bluetooth kompatibel mit Arduino (2 Stück)

DUBEUYEW€7.654.4★104 rev

DUBEUYEW ESP32 ESP32-C3 Entwicklungsboard Mini ESP32 C3 Unterstützt WiFi Bluetooth Kompatibel mit Arduino (6PCS)

DUBEUYEW€17.694.4★56 rev

Heemol 3 Stück für ESP32-C3 Super Mini Entwicklungsboard mit WiFi/Bluetooth 5.0 ESP32 Mini Modul RISC-V 32-Bit-CPU 160 MHz 400KB SRAM Ideal für IoT Arduin0 Wearables & Smart Home

Heemol€12.394.2★22 rev

DUBEUYEW 3 Stück ESP32 ESP32-C3 Entwicklungsboard Mini ESP32 C3 Unterstützt WiFi Bluetooth Kompatibel mit Arduino(gelötet)

DUBEUYEW€11.814.5★32 rev

GERUI 4PCS ESP32 ESP32-C3 Entwicklungsboard ESP32 C3 Unterstützt WiFi Bluetooth 4MB Flash

GERUI€10.463.9★57 rev

Newest

by launch date

Heemol 2 Stück für ESP32-C3 Mini Entwicklungsboard mit Externe Antennen schnittstelle WiFi/Bluetooth 5.0 ESP32 Mini Type-C Modul ESP32-C3FN4 Chip für IoT Arduin0 Wearables & Smart Home

Heemol€10.702 rev

3mo ago

2 Stück ESP32 C3 Entwicklungsboard ESP32 Mini unterstützt WiFi Bluetooth kompatibel mit Arduino(Unverlötete Stiftleisten)

afhgdjr€7.151 rev

4mo ago

diymore ESP32-C3 Entwicklungsboard - WiFi/BLE 5.0 RISC-V MCU für industrielle IoT-Produktion 160MHz Deep Sleep 44 Mikrocontroller mit Batterieladung

diymore€10.697 rev

4mo ago

diymore für ESP32-C3 Mini AI-Konversations Sprachmodell ESP32 C3 Display mit 0 96-Zoll OLED Display Unterstützt die Integration mit den intelligenten KI-Großmodellen Xiaozhi/Deepseek/Doubao/Qwen

diymore€10.732 rev

7mo ago

Heemol 3 Stück für ESP32-C3 Super Mini Entwicklungsboard mit WiFi/Bluetooth 5.0 ESP32 Mini Modul RISC-V 32-Bit-CPU 160 MHz 400KB SRAM Ideal für IoT Arduin0 Wearables & Smart Home

Heemol€12.3922 rev

8mo ago

What buyers say about esp32 c3

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

What buyers love

Qualität insgesamt19%

“der Formfaktor ist einfach ideal.”

Konnektivität – insgesamt12%

“Klar kann es jedes Smartphone”

beworben Vs Tatsächliches Produkt10%

“Erwartungen erfüllt”

Preis-Leistungs-Verhältnis9%

“Preis/Leistung super”

Kompatibilität – insgesamt8%

“Funktionieren super mit Home Assistant”

Benutzerfreundlichkeit7%

“Sehr brauchbar”

Montage/Installation4%

“Die Einrichtung verlief problemlos”

Korrekt Inhalt4%

“Super Teile”

Buchse/Anschluss/Stecker3%

“usb-c sehr angenehm zu nutzen,”

Materialqualität2%

“Sehr gute Qualität in der Verarbeitung jederzeit wieder kaufen”

What buyers complain about

Konnektivität – insgesamt30%

“WLAN Problem Chip minderwertig”

Reichweite11%

“gelieferte Version hat WLAN-Reichweitenproblem”

Benutzerfreundlichkeit11%

“Unbrauchbar”

Funktionalität insgesamt9%

“Ok. An sich gut, leider ist es eines der Module mit falsch platzierter Antenne”

Preis-Leistungs-Verhältnis6%

“Preis könnte besser sein”

Qualität insgesamt6%

“Billiger Schrott”

Stärke5%

“niemals stabil und bricht ständig weg.”

Heizung5%

“Board mit Temperaturproblem”

Defekt Material/Teile4%

“Ein Produkt von allen drei kam defekt an”

Design insgesamt3%

“Schlechtes HF Design”

Top return reasons

Konnektivität – insgesamt31%

Funktionalität insgesamt16%

Kompatibilität – insgesamt15%

Defekt Material/Teile9%

Gesamtgröße7%

Heizung5%

Buchse/Anschluss/Stecker4%

beworben Vs Tatsächliches Produkt2%

Reichweite2%

Nicht nachhaltiges Design2%

Common questions

Is esp32 c3 profitable to sell on Amazon Germany?: The niche generates €37K/yr across 29 tracked products. 0 of 13 products launched in the last 360 days are still selling. 90-day search growth is +7.0%. Flapen's verdict: Worth a look (51/100).
How competitive is the esp32 c3 niche?: 12 brands and 20 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 85% of demand.
What do buyers complain about in esp32 c3?: Top complaints mined from reviews: Konnektivität – insgesamt, Reichweite, Benutzerfreundlichkeit. The return rate is 0.8%.
What does it cost to enter the esp32 c3 niche?: Listings span €6.61–€18.58; the average listing price is €10.92 (sweet spot $15–$100). The average incumbent carries 47 reviews — the moat a new listing must climb.