ELM327 Guide

Comparisons

Two or three adapters head to head, with a verdict for your case, and every model in one table below. Data and prices come from each product page.

One-to-one comparisons

Comparison · Bluetooth

ELM327 Bluetooth v1.5 vs Mini v2.1 vs v2.1 HH: which to buy

All three Bluetooth ELM327 adapters use the PIC18F25K80 chip. The real differences in size, price and compatibility, and which one suits your car.

Comparison · Connection type

ELM327 Bluetooth, Wi-Fi or USB: which connection to choose

Bluetooth, Wi-Fi or USB: the same PIC18F25K80 ELM327 with three connections. What each one works with, pros, cons and which one suits you.

Comparison · Wi-Fi and iPhone

ELM327 Wi-Fi vs Vgate iCar2 Wi-Fi: which to buy for iPhone

Generic ELM327 Wi-Fi against the Vgate iCar2: chip, protocols, automatic sleep and price. Both work with iPhone; here is which one to choose.

Comparison · FORScan

ELS27 vs ELM327 USB for FORScan: which one your Ford needs

ELS27 against ELM327 USB with FORScan: HS-CAN and MS-CAN, which modules you see with each and which to choose for your Ford, Mazda or Lincoln.

Comparison · Bluetooth for Android

Generic Bluetooth ELM327 vs Konnwei KW903: differences

Generic ELM327 Bluetooth v1.5 with a PIC18F25K80 chip against the branded Konnwei KW903: protocols, automatic power-off, size and price.

Comparison · Motorcycles

MotoScan vs Biketune vs TuneECU: which app for your motorcycle

MotoScan, Biketune and TuneECU head to head: which phone they run on, which motorcycles they cover, what they do with an ELM327 and what they cost.

Comparison · BMW and MINI

Vgate vLinker BM+ vs generic ELM327 for BMW and MINI

vLinker BM+ against a generic ELM327 on a BMW or MINI: BimmerCode and BimmerLink, iPhone or Android, and what you can do with each one.

Every adapter, side by side

Satkit price including VAT. On a phone, each adapter gets its own card.

Every adapter, side by side
Adapter	Connection	Works with	Chip	Protocols	CAN bus	Best for	Price at Satkit
ELM327 Bluetooth OBD2 v1.5	Classic Bluetooth	iPhone (not compatible) Android Windows	PIC18F25K80	The standard OBD2 ones: CAN, KWP2000, ISO 9141 and J1850	HS-CAN only	Getting started on an Android phone: fault codes and engine data	€8.60
ELM327 Bluetooth v2.1 HH	Classic Bluetooth	iPhone (not compatible) Android Windows	PIC18F25K80	Standard OBD2; fails with quite a few ISO 9141 and KWP2000 cars from 2001-2005	HS-CAN only	The lowest price, for recent CAN cars	€7.37
Mini ELM327 Bluetooth v2.1	Classic Bluetooth	iPhone (not compatible) Android Windows	PIC18F25K80	The standard OBD2 ones: CAN, KWP2000, ISO 9141 and J1850	HS-CAN only	The smallest housing, for Android or Windows	€8.60
Konnwei KW903 Bluetooth	Classic Bluetooth	iPhone (not compatible) Android Windows	Konnwei electronics	All five OBD2: CAN (ISO 15765-4), KWP2000, ISO 9141-2, J1850 VPW and PWM	HS-CAN only	Android with a known brand and automatic power-off	€14.76
ELM327 Wi-Fi OBD2	Wi-Fi	iPhone Android Windows	PIC18F25K80	The standard OBD2 ones: CAN, KWP2000, ISO 9141 and J1850 (PWM/VPW)	HS-CAN only	iPhone at the lowest price	€17.22
Vgate iCar2 Wi-Fi	Wi-Fi	iPhone Android Windows	ARM	All OBD2: J1850 PWM and VPW, ISO 9141-2, KWP2000 and 11/29-bit CAN	HS-CAN only	iPhone with a known brand and automatic sleep	€23.37
ELM327 USB v1.5	USB	iPhone (not compatible) Android (not compatible) Windows	PIC18F25K80	OBD2/EOBD and CAN	HS-CAN only	A Windows laptop: the most stable connection	€11.08
ELS27 USB for FORScan	USB	iPhone (not compatible) Android (not compatible) Windows	FT232RL (USB)	The ones FORScan uses on Ford, Mazda, Lincoln and Mercury	HS-CAN and MS-CAN (automatic switching)	FORScan on Ford and Mazda: every module	€14.39
Vgate vLinker BM+	Bluetooth 4.0 (LE)	iPhone Android Windows	Vgate electronics	Standard OBD2 plus the BMW and MINI ones used by BimmerCode and BimmerLink	BMW and MINI CAN	BMW and MINI with BimmerCode or BimmerLink	€47.97