Is elm327 profitable to sell on Amazon United States?

The niche generates $255K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.9%. Flapen's verdict: Skip it (49/100).

How competitive is the elm327 niche?

17 brands and 23 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 68% of demand.

What do buyers complain about in elm327?

Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 5.0%.

When does demand for elm327 peak?

Demand is steady year-round — the busiest month runs 1.3× the quietest.

What does it cost to enter the elm327 niche?

Listings span $5.54–$136.17; the average listing price is $27.01 (sweet spot $15–$100). The average incumbent carries 8,506 reviews — the moat a new listing must climb.

elm327

Skip it

A deep review moat (8,506 avg reviews) — this niche doesn't clear our bar today.

Avg price

Incredible$27.01

avg listing price — sweet spot $15–$100

Quality gap

Great4.2★

avg incumbent rating — lower means beatable quality

Price range

Good$5.54–$136.17

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

Brand share

Good68%

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

Conversion

Good5.0%

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

Market size

Okay$255K

$255K/yr · 188K searches

Competition

Okay60%

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

Growth

Okay+1.9%

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

Returns

Okay5.0%

return rate — above 5% kills the launch gate

Review moat

Bad8,505.76

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand Low Review Barrier

According to Flapen's Amazon United States niche tracking, elm327 is a $255K/yr Amazon United States market (188K searches/yr). The top 5 brands hold 68% of demand. Verdict: Skip it — 49/100.

Data updated Jul 11, 2026 · scored weekly · How we score niches

elm327 market data

Units sold / yr: 8K–10K; avg 250–500/product
Revenue / yr: $216K–$270K; units × avg price
Conversion rate: 5.0%
Avg BSR: #200
Page quality: 0%
Prime: 100%
Sponsored: 71%
Out of stock: 1.2%
Avg brand age: 36 months
Avg seller age: 160 days

Competition & brand share

The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.

Brands

17 falling

Sellers

Top-5 brand share

68%

Top 20: 100%

Top-5 click share

60%

Top 20: 99%

Open market

25%

KVAEY19%
Veepeak14%
OBDResource13%
ULTRAOBD12%
ViaBecs12%
MOCATEC7%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +1.9% search growth over the last 90 days.

No pronounced peak months · busiest ÷ quietest = 1.3×

Open Trend

Top elm327 search terms

elm32781K/yr +0.8%4.0% conv.
elm327 bluetooth obd223K/yr -10.5%4.6% conv.
elm327 bluetooth16K/yr +24.3%3.6% conv.
elm 327 obd2 scanner bluetooth18K/yr -7.5%5.7% conv.
elm 32716K/yr +5.7%4.0% conv.
elm327 obd211K/yr +13.4%2.4% conv.
elm327 adapter5K/yr +43.5%2.9% conv.
elm327 bluetooth obd2 scanner4K/yr +22.2%5.7% conv.
elm obd23K/yr +7.5%3.8% conv.
elm 327 bluetooth4K/yr -14.3%4.1% conv.

All search terms

Top elm327 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 21 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

KVAEY OBDII Car Auto Diagnostic Scanner ELM327 Automotive Bluetooth Scan Tool and Code Reader Professional Car Bluetooth Engine Fault Code Reader Universal Car Accessories (1 PCS)

KVAEY$7.123.6★293 rev

ELM327 USB Adapter OBD2 Scanner for Windows ELMconfig FoCCCus Diagnostic Scan Tool with MS-Can/HS-Can Switch for Ford Lincoln Mazda Mercury Series Vehicles

OBDResource$18.834.4★6,872 rev

ViaBecs OBD2 Scanner Bluetooth 5.1 Adapter for iPhone & Android OBDII Car Diagnostic Code Reader for 12V Gas Cars Check Engine Light Reader with Live Data VIN RPM Coolant Temp YMOBD App

ViaBecs$14.864.0★202 rev

WiFi ELM327 OBD2 Adapter Scanner Reader for iOS iPhone and Android Phones OBD2 to WiFi OBD 2 ELM 327 Adapter Scanner Diagnostic Scan Tools OBDii ELM327 Interface Code Readers for Ford GM Chevy etc

ULTRAOBD$16.094.2★156 rev

Veepeak OBDCheck BLE Bluetooth OBD II Scanner for iOS & Android Car Wireless Check Engine Light Code Reader Diagnostic Tool

Veepeak$30.674.5★23,782 rev

Newest

by launch date

VCYOPN ELM327 OBD Car Auto Diagnostic Scanner Professional Auto Bluetooth Scan Tool Engine Fault Code Reader Portable Vehicle Interface Adapter Check Engine Light Code Reader

VCYOPN$5.549 rev

8mo ago

BWBWND 2 PCS ELM327 OBDII Car Auto Diagnostic Scanner Professional Mini Bluetooth Scan Tool Engine Fault Code Reader Wireless Failure Detector Interface Adapter for Most OBD II Vehicles

BWBWND$7.2734 rev

1y ago

NYTKL 2 PCS ELM327 OBDII Car Auto Diagnostic Scanner Professional Wireless Bluetooth Scan Tool Failure Detector OBD2 Engine Fault Code Reader for Android Windows Car Accessories

NYTKL$8.10131 rev

1y ago

KVAEY OBDII Car Auto Diagnostic Scanner ELM327 Automotive Bluetooth Scan Tool and Code Reader Professional Car Bluetooth Engine Fault Code Reader Universal Car Accessories (1 PCS)

KVAEY$7.12293 rev

1y ago

USB OBD2 ELM327 Scanner Reader for Windows Laptop PC ELMconfig FoCCCus Diagnostic Scan Tool with HS-Can (Up) /(Down) MS-Can Switch for Ford Mazda Chevy Lincoln Series Vehicles

ULTRAOBD$18.7575 rev

2y ago

What buyers say about elm327

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

What buyers love

Ease Of Use22%

“Easy to read”

Value For Money18%

“Fair price”

Advertised Vs Actual Product14%

“As advertised”

Quality-Overall12%

“Definitely a great product to have on hand”

Efficiency11%

“Works flawlessly”

Connectivity-Overall5%

“connectivity is awesome”

Instructions/User Manual/Troubleshooting3%

“It reads and clears codes quickly and is a great basic tool to have for checking your car”

Functionality-Overall2%

“functional”

Measurement/Reading Accuracy1%

“provides accurate readings”

Assembly/Installation1%

“I am very happy with this setup”

What buyers complain about

Connectivity-Overall19%

“Won't connect”

Functionality-Overall16%

“Did not work”

Compatibility-Overall13%

“Compatibility issues”

Quality-Overall7%

“Poor quality”

Value For Money5%

“not a cheaper one”

Instructions/User Manual/Troubleshooting5%

“Good device; Poor manual”

Software/Application5%

“No software updates”

Durability4%

“breaks easily”

Sensor2%

“some ridiculous sensors”

Ease Of Use2%

“not a friendly user”

Top return reasons

Compatibility-Overall31%

Functionality-Overall24%

Connectivity-Overall21%

Value For Money5%

Software/Application5%

Advertised Vs Actual Product4%

Size-Overall2%

Defective Material/Parts2%

Ease Of Use1%

Instructions/User Manual/Troubleshooting1%

Common questions

Is elm327 profitable to sell on Amazon United States?: The niche generates $255K/yr across 21 tracked products. 0 of 1 products launched in the last 360 days are still selling. 90-day search growth is +1.9%. Flapen's verdict: Skip it (49/100).
How competitive is the elm327 niche?: 17 brands and 23 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 68% of demand.
What do buyers complain about in elm327?: Top complaints mined from reviews: Connectivity-Overall, Functionality-Overall, Compatibility-Overall. The return rate is 5.0%.
When does demand for elm327 peak?: Demand is steady year-round — the busiest month runs 1.3× the quietest.
What does it cost to enter the elm327 niche?: Listings span $5.54–$136.17; the average listing price is $27.01 (sweet spot $15–$100). The average incumbent carries 8,506 reviews — the moat a new listing must climb.

elm327

elm327 market data

Competition & brand share

Demand & seasonality

Top elm327 search terms

Top elm327 products on Amazon

Top sellers

Newest

Trending

What buyers say about elm327

What buyers love

What buyers complain about

Top return reasons

Common questions

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