---
title: "elm327 — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
canonical_url: "https://flapen.com/amazon/research/us/automotive/elm327"
last_updated: "2026-07-13T22:39:22.781Z"
locale: en
meta:
  description: "elm327 shows a sweet-spot price point ($27.01 avg), but a deep review moat (8,506 avg reviews) keeps it on the watch list."
  "og:description": "elm327 shows a sweet-spot price point ($27.01 avg), but a deep review moat (8,506 avg reviews) keeps it on the watch list."
  "og:title": "elm327 — Niche Verdict: Worth a look (50/100) | Amazon United States - Flapen"
---

Back to Flapen home

# **elm327**

**Worth a look**

Shows a sweet-spot price point ($27.01 avg), but a deep review moat (8,506 avg reviews) keeps it on the watch list.

Market size 47Growth 27Conversion 59Competition 41Returns 34Price range 65Avg price 95Brand share 61Review moat 23Quality gap 79

**Avg price**

**Incredible****$27.01**

avg listing price — sweet spot $15–$100

**Quality gap**

**Great****4.2★**

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**

**Good****68%**

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

**Conversion**

**Good****5.0%**

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

**Market size**

**Okay****$255K**

$255K/yr · 188K searches

**Competition**

**Okay****60%**

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

**Returns**

**Okay****5.0%**

return rate — above 6% kills the launch gate

**Growth**

**Okay****+1.9%**

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

**Review moat**

**Bad****8,505.76**

avg incumbent reviews — the moat a new listing must climb

## **Competition**

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

**Brands**

**17 **▼falling

**Sellers**

**23**

**Top-5 brand share**

**68%**

**Open market**

**25%**

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

## **Product shelf**

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

0%5%$13K10%$25K15%$38K20%$51K1101001K10K100K Reviews — right = deep review moatMarket 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.

### **Top sellers**

by 90-day click share

[1![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)](https://m.media-amazon.com/images/I/31pV4Xg-G8L.jpg)**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**$7.12**3.6★293 rev](https://www.amazon.com/dp/B0DKN9VL8Y) [2![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](https://m.media-amazon.com/images/I/41f2UzvRuRL.jpg)**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**$18.83**4.4★6,872 rev](https://www.amazon.com/dp/B07MQ8GHG3) [3![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](https://m.media-amazon.com/images/I/41rq722AjEL.jpg)**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**$14.86**4.0★202 rev](https://www.amazon.com/dp/B0CCYKZ8YF) [4![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](https://m.media-amazon.com/images/I/31L9G7IQW+L.jpg)**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**$16.09**4.2★156 rev](https://www.amazon.com/dp/B0CZF3MHVS) [5![Veepeak OBDCheck BLE Bluetooth OBD II Scanner for iOS & Android Car Wireless Check Engine Light Code Reader Diagnostic Tool](https://m.media-amazon.com/images/I/31XZ+l8R2iL.jpg)**Veepeak OBDCheck BLE Bluetooth OBD II Scanner for iOS & Android Car Wireless Check Engine Light Code Reader Diagnostic Tool**Veepeak**$30.67**4.5★23,782 rev](https://www.amazon.com/dp/B073XKQQQW)

**~~View all top sellers →~~**

### **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](https://m.media-amazon.com/images/I/41ab27lwuIL.jpg)**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**$5.54**9 rev8mo ago](https://www.amazon.com/dp/B0FZTVV2SW) [![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](https://m.media-amazon.com/images/I/41K+uRgZiBL.jpg)**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**$7.27**34 rev1y ago](https://www.amazon.com/dp/B0FD2VM973) [![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](https://m.media-amazon.com/images/I/41M3E742hiL.jpg)**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**$8.10**131 rev1y ago](https://www.amazon.com/dp/B0F62PFRZ7) [![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)](https://m.media-amazon.com/images/I/31pV4Xg-G8L.jpg)**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**$7.12**293 rev1y ago](https://www.amazon.com/dp/B0DKN9VL8Y) [![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](https://m.media-amazon.com/images/I/41jKFKJx5XL.jpg)**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**$18.75**75 rev2y ago](https://www.amazon.com/dp/B0CZF416R5)

**~~View all new products →~~**

### **Trending**

90-day click momentum

[![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](https://m.media-amazon.com/images/I/41K+uRgZiBL.jpg)**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**$7.27**3.9★**▲ 186%**](https://www.amazon.com/dp/B0FD2VM973) [![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](https://m.media-amazon.com/images/I/41ab27lwuIL.jpg)**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**$5.54**4.0★**▲ 173%**](https://www.amazon.com/dp/B0FZTVV2SW) [![Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android](https://m.media-amazon.com/images/I/31pWeUaphGL.jpg)**Vgate iCar Pro Bluetooth 4.0 (BLE) OBD2 Fault Code Reader OBDII Code Scanner Car Check Engine Light for iOS/Android**Vgate**$30.90**4.6★**▲ 39%**](https://www.amazon.com/dp/B06XGB4873) [![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](https://m.media-amazon.com/images/I/41rq722AjEL.jpg)**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**$14.86**4.0★**▲ 29%**](https://www.amazon.com/dp/B0CCYKZ8YF) [![Panlong OBD2 Scanner Bluetooth OBDII Diagnostic Tool Car Code Reader Turn Off Check Engine Light Support Android](https://m.media-amazon.com/images/I/41NsbtUiuxL.jpg)**Panlong OBD2 Scanner Bluetooth OBDII Diagnostic Tool Car Code Reader Turn Off Check Engine Light Support Android**Panlong**$13.63**4.3★**▲ 29%**](https://www.amazon.com/dp/B00PJPHEBO)

**~~View all trending →~~**

## **Demand & seasonality**

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

5K4KPrime Day '25 seasonSepDecMarJunAugNovMarMay

No pronounced peak months · busiest ÷ quietest = 1.3×

## **Reviews**

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

### **What buyers love **

**Ease Of Use**22%

*“Easy to read”*

**Value For Money**18%

*“Fair price”*

**Advertised Vs Actual Product**14%

*“As advertised”*

**Quality-Overall**12%

*“Definitely a great product to have on hand”*

**Efficiency**11%

*“Works flawlessly”*

**Connectivity-Overall**5%

*“connectivity is awesome”*

**Instructions/User Manual/Troubleshooting**3%

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

**Functionality-Overall**2%

*“functional”*

**Measurement/Reading Accuracy**1%

*“provides accurate readings”*

**Assembly/Installation**1%

*“I am very happy with this setup”*

### **What buyers complain about **

**Connectivity-Overall**19%

*“Won't connect”*

**Functionality-Overall**16%

*“Did not work”*

**Compatibility-Overall**13%

*“Compatibility issues”*

**Quality-Overall**7%

*“Poor quality”*

**Value For Money**5%

*“not a cheaper one”*

**Instructions/User Manual/Troubleshooting**5%

*“Good device; Poor manual”*

**Software/Application**5%

*“No software updates”*

**Durability**4%

*“breaks easily”*

**Sensor**2%

*“some ridiculous sensors”*

**Ease Of Use**2%

*“not a friendly user”*

### **Top return reasons **

**Compatibility-Overall**31%

**Functionality-Overall**24%

**Connectivity-Overall**21%

**Value For Money**5%

**Software/Application**5%

**Advertised Vs Actual Product**4%

**Size-Overall**2%

**Defective Material/Parts**2%

**Ease Of Use**1%

**Instructions/User Manual/Troubleshooting**1%