# OBD2 Scanner \| OBD Auto Doctor — Car Diagnostics & Check Engine

> OBD2 car diagnostics tool for reading codes, monitoring sensors, and resetting check engine light. (iPhone/iPad app by Creosys.)

- Source: https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183 (this page in markdown: same URL + `.md`)
- Developer: [Creosys](https://appshunter.io/developer/908897186)
- Category: Utilities, Travel
- Price: Free with in-app purchases
- Rating: 4.40/5 from 6,148 App Store ratings · 572 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 17 MB
- Languages: American English, Finnish, French (France), German (Germany), Italian, Polish, European Portuguese, European Spanish, Swedish
- Released: 2014-09-07
- Data updated: 2026-08-26
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183/reviews.md

## What is OBD2 Scanner | OBD Auto Doctor?

Turn your iPhone into a powerful OBD2 car scanner and diagnose your vehicle yourself.

Check why your Check Engine Light is on, read and clear diagnostic trouble codes, monitor live engine data, and check emissions readiness — all from your iPhone or iPad with a compatible OBD2 dongle.

CHECK YOUR CHECK ENGINE LIGHT

Don't guess what's wrong with your car. OBD Auto Doctor reads diagnostic trouble codes from your vehicle and provides detailed information to help you understand what they mean.

• Read diagnostic trouble codes (DTCs)
• Clear Check Engine Light codes
• View detailed code descriptions
• Read freeze-frame data

MONITOR YOUR CAR IN REAL TIME

See what's happening while your engine is running with live OBD2 data.

• Engine RPM and vehicle speed
• Coolant temperature
• Fuel system and fuel trim data
• Throttle position
• Intake air and engine load
• Oxygen sensor data
• And many other vehicle parameters

Create your own dashboard and choose exactly which sensors you want to monitor.

CHECK EMISSIONS READINESS

Preparing for an emissions or vehicle inspection? Check your vehicle's readiness monitors and see whether your car's emissions systems have completed their tests.

WORKS WITH OBD2 DONGLES

Connect OBD Auto Doctor to your vehicle using a compatible Bluetooth, Wi-Fi or Bluetooth Low Energy (BLE) OBD2 dongle.

Compatible dongles include many ELM327-based adapters, OBDLink, Vgate, Linker, Veepeak and other compatible OBD2 interfaces.

Please note: An OBD2 dongle is required to connect the app to your vehicle. Dongle compatibility and available features depend on your vehicle.

MORE THAN JUST A CODE READER

OBD Auto Doctor gives you access to the information your car's onboard diagnostic system makes available.

• Read vehicle information
• Monitor fuel consumption
• View and record live sensor data
• Read diagnostic trouble codes
• Clear diagnostic trouble codes
• Check emissions readiness
• View freeze-frame data
• Monitor vehicle performance

Whether you're trying to understand a Check Engine Light, preparing your car for inspection, monitoring your engine, or simply want to know more about your vehicle, OBD Auto Doctor puts professional-style OBD2 diagnostics in your pocket.

Download OBD Auto Doctor and start diagnosing your car today.

SUBSCRIPTION

OBD Auto Doctor offers optional subscriptions that unlock additional features.

Terms of Use: https://www.obdautodoctor.com/terms

## Key features

- Read and clear OBD2 diagnostic trouble codes (DTC)
- Reset Check Engine Light
- Monitor real-time vehicle data and sensor readings
- Track fuel consumption
- Read readiness monitor status for emissions testing
- Initiate service routines
- Send diagnostic data via email

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Monthly (legacy) | $4.99 | per month |
| Yearly (legacy) | $23.99 | per year |
| Personal, monthly | $4.99 | per month |
| Personal, yearly | $23.99 | per year |
| Professional, monthly | $6.99 | per month |
| Professional, yearly | $29.99 | per year |
| Premium, monthly | $5.99 | per month |
| Premium, annual | $29.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| OBD Auto Doctor Pro (legacy) | $29.99 | one-time |


## What do users think of OBD2 Scanner | OBD Auto Doctor?

Overall sentiment: neutral

**Pros**

- 🚀 Works great
- 👍 Easy to use
- 🚀 Accurate diagnostics
- 🚀 Extensive adapter support
- 👍 Helpful for DIY mechanics
- 🚀 Saves money on repairs

**Cons**

- 🔒 Requires subscription for full functionality
- 🐛 Connection issues
- 🐛 Inconsistent performance
- 🐛 Doesn't work with all vehicles
- 💰 Expensive subscription
- 🐛 Unreliable app updates

**Commonly reported bugs**

- App crashes on launch
- Fails to detect existing fault codes
- Subscription issues and inability to cancel
- Incompatible with certain OBD2 adapters

**Most requested features**

- Add support for more vehicle makes and models
- Improve Bluetooth/WiFi connectivity
- Provide more detailed diagnostic information
- Allow clearing of error codes without subscription
- Add live data dashboards and graphs
- Integrate with vehicle maintenance scheduling

## Recent user reviews (10 of 572)

All indexed reviews: https://appshunter.io/ios/app/obd2-scanner-obd-auto-doctor/id908897183/reviews.md

### 5/5 — Auto Dr

*2026-08-08, version 8.3.1*

Fast time saving and accurate pretty handy to have

### 4/5 — Pour ml w163

*2026-08-07*

Plutôt bien mais abonnement mensuel coûteux

### 1/5 — Sad

*2026-07-31, version 8.3.1*

I just want to reset an engine light. Nothing more than to read the code and reset it. What a shame I haven’t found a free version yet. All the ones that used in the past are making you upgrade. 0 stars!!!!!!

### 1/5 — Paid

*2026-07-28, version 8.3.1*

No data available

### 1/5 — Does not work, stay away from this one it’s a con

*2026-07-01, version 8.3.0*

100% absolutely rubbish don’t download, if it doesent work they don’t care and it took two weeks to get a response to contact support.

### 1/5 — Doesent work

*2026-06-25, version 8.3.0*

Absolutely rubbish don’t download

### 5/5 — We will see how it goes

*2026-06-22, version 8.3.0*

We will see how it goes

### 1/5 — Waste of money

*2026-06-21, version 8.3.0*

Does not work. I have installed this and paid for a premium subscription more than once. It does not “find “ the VGate OBD2 adapter. It is of no use as a diagnostic  application tool.

### 5/5 — We will see how it goes

*2026-06-18, version 8.3.0*

We will see how it goes

### 1/5 — Premium

*2026-06-13, version 8.3.0*

Can’t clear engine codes unless you upgrade to premium. I have been trying to upgrade to premium for more than a day and the option never loads.

## Frequently asked questions about OBD2 Scanner | OBD Auto Doctor

### What does the Car Scanner | OBD Auto Doctor app do?

This app functions as an OBD2 car diagnostics tool. It allows you to read and clear diagnostic trouble codes (DTC), reset the check engine light, and monitor various vehicle parameters in real-time. It helps you understand your car's health and performance.

### What are the key features of this OBD2 app?

Key features include reading and clearing DTCs, resetting the check engine light, monitoring live sensor data (like engine coolant temperature and torque), tracking fuel consumption, and checking readiness monitor status for emissions testing. It also supports initiating service routines and sending diagnostic data via email.

### How much does the Car Scanner | OBD Auto Doctor app cost?

The app is free to download and use, but offers a subscription to unlock all features. The specific pricing and differences between the free and subscription versions can be found on the app's website.

### What cars are compatible with this app?

The app supports all cars sold worldwide that are compatible with OBD2 or EOBD standards. You can find detailed compatibility information on the app's website. A separate ELM Wifi OBD2 adapter (ELM327 compatible) or a compatible Bluetooth adapter is required to connect to your car.

### What are common use cases for this car diagnostic app?

Common use cases include diagnosing why the check engine light is on, monitoring fuel efficiency to save money, checking if your car is ready for emissions testing, and understanding real-time engine performance. It's useful for proactive car maintenance and troubleshooting.

## Version history (last 5 releases)

### 8.3.2 — 2026-08-11

Improved stability and performance to make car diagnostics smoother than ever. If you enjoy the app, please rate or review it — it really helps us indie developers. Thanks!

### 8.3.1 — 2026-07-02

Improved stability and performance to make car diagnostics smoother than ever. If you enjoy the app, please rate or review it — it really helps us indie developers. Thanks!

### 8.3.0 — 2026-06-02

Improved stability and performance to make car diagnostics smoother than ever. If you enjoy the app, please rate or review it — it really helps us indie developers. Thanks!

### 8.2.2 — 2026-05-07

Improved stability and performance to make car diagnostics smoother than ever. If you enjoy the app, please rate or review it — it really helps us indie developers. Thanks!

### 8.2.1 — 2026-04-09

Improved stability and performance to make car diagnostics smoother than ever. If you enjoy the app, please rate or review it — it really helps us indie developers. Thanks!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-26.*