The 3 ELM327 Adapters Worth Buying (And the Apps That Make Them Work) Iamcarhacker

Published: November 24, 2024 · Last updated: August 26, 2026

The 30-second answer

For most people an ELM327 is all you’ll ever need, the trick is not buying the wrong one. Read codes, watch live data, check emissions, all off a phone app for a few euros. The brand matters far more than the price. The Vgate iCar Pro 2s is the cheap entry that just works. The Vgate Vlinker MS is the value pick if you want it talking to more apps across Android, iPhone and Windows. And the OBDLink MX+ is for one specific person: someone who already knows which serious software they’re pairing it with. Buy a no-name dongle instead and connection drops are your own fault.

I earn from qualifying purchases and sometimes get tools for free (full disclosure). It never affects my scoring.

ELM327 Quick picks

Best Budget Vgate iCar pro 2s

updated vgate bluetooth adapter with good compatibility across diagnostic and coding apps

✓Updated Vgate adapter line with good compatibility
✓Compact low-power design
✓Very cheap entry to app-based diagnostics

✕Engine-only
✕No advanced functions
✕Quality still below premium adapters like OBDLink MX+

Check on Amazon ›AliExpress › Full review →

Best Value Vgate Vlinker MS

best compromise between budget and power to connect with multiple diagnostic/coding software

✓Works well with android/iphone and even windows
✓Great alternative to OBDlink MX+ to save some money

✕There are full-system scanners for smartphones starting at this price already

Check on Amazon ›AliExpress › Full review →

Best Features OBDLink MX+

best one adapter to connect to literally hundreds of different diagnostic and coding apps/laptop software

✓Clean app
✓Fast adapter
✓Wide range of software to pair

✕Too expensive just for basic engine diagnostics - buy if you have specific software to use it with in mind

Check on Amazon ›AliExpress › Full review →

✅ These won

Vgate iCar pro 2s

Vgate Vlinker MS

OBDLink MX+

👍 I like these too, but they didn't make the top

Veepeak Android

Cheapest option that still works without connection and pairing problems but works only for Android.

Read review

Vgate Vlinker FS

Great ELM327 adapter but there is already newer version Vlinker MS which is better for same price.

Read review

Vgate icar 4.0

Also great budget ELM327, but the newer version of this (vgate icar pro 2s) is even better for basically same price.

Read review

Mucar BT200 Max

Not exactly ELM327 adapter but can run some ELM327 apps like Car scanner pro while still working with their native Mucar full-system app.

Read review

Veepeak iOS

Cheap budget option for iPhones.

Read review

Carista EVO

I like Carista app to unlock hidden settings but since it works with all of mentioned ELM327 adapters, there is no need to spend as much for this one.

Read review

Veepeak BLE

Great ELM327 for both iOS and Android, but I like Vgate icar pro 2s a little better.

Read review

Why these three, and how I actually use them

Here’s the truth about ELM327 adapters that the listings won’t tell you: the chip inside barely matters. A real ELM327 chip costs around $20, so almost none of the cheap ones have it, and they still work fine. What separates a dongle that pairs first time from one that drops connection every other drive is the brand’s reputation, not the chip. That’s the whole reason I only keep recommending a handful of names. The other half of the job is the app. The dongle is just the bridge, the app does the work.

The Vgate iCar Pro 2s is where I send most people. It’s the updated version of the old iCar line, compact, low power draw, and cheap enough that there’s no reason to gamble on a no-name. It’s engine-only with no advanced functions, but that’s exactly what the ELM327 category is for. If you went in expecting coding, you bought the wrong tool, not a bad one.
→ Read full review of Vgate iCar Pro 2s

The Vgate Vlinker MS is the one I reach for when I want flexibility. It plays nicely with Android, iPhone and even Windows, which matters because iOS is fussy about Bluetooth OBD adapters and a lot of cheap dongles simply won’t pair. It’s a solid alternative to the OBDLink MX+ for less money. The one honest caveat: at this price you’re already brushing up against proper full-system smartphone scanners, so be sure a code reader is really all you want.
→ Read full review of Vgate Vlinker MS

The OBDLink MX+ is the odd one out here, and its score reflects that. As a basic engine code reader it’s overpriced, plain and simple. What you’re actually paying for is its ability to talk to hundreds of diagnostic and coding apps, including serious laptop software. So I only recommend it to one person: someone who already has a specific app or software in mind and needs an adapter they know will connect to it. Buying it just to read engine codes is burning money.
→ Read full review of OBDLink MX+

When I’d skip an ELM327 entirely: the moment you want ABS or airbag codes, active tests, coding or service resets. The ELM327 stops at the generic engine side on most cars. If that’s not enough, you’ve outgrown the category and want a full-system scanner, not a better dongle.