# inCarDoc OBD2 ELM327 Scanner — Car diagnostic, check engine

> OBD2 car scanner for fault codes, real-time data, and maintenance logging. (iPhone/iPad app by PNN SOFT.)

- Source: https://appshunter.io/ios/app/incardoc-obd2-elm327-scanner/id652142348 (this page in markdown: same URL + `.md`)
- Developer: [PNN SOFT](https://appshunter.io/developer/603549243)
- Category: Travel, Sports
- Price: Free with in-app purchases
- Rating: 3.10/5 from 155 App Store ratings · 184 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.3 · 151 MB
- Languages: American English
- Released: 2013-05-30
- Data updated: 2026-08-29
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/incardoc-obd2-elm327-scanner/id652142348/reviews.md

## What is inCarDoc OBD2 ELM327 Scanner?

inCarDoc Pro — OBD2 Car Scanner & Diagnostic Tool
Turn your iPhone into a professional OBD2 scanner. Read fault codes, monitor real-time engine data, track fuel economy, and keep your car's full diagnostic history — via Bluetooth or Wi-Fi ELM327 adapters. Requires ELM327 or compatible OBD2 adapter. GPS-only mode work without it. Check compatibility before purchase PRO.
 SUPPORTED ADAPTERS:
V-Gate BLE, V-Gate B2, Kiwi 3 (BLE), Veepeak (BLE), Carista, Vinli, InCarDoc, Loanauto, and other Wi-Fi / Bluetooth (BLE) OBD-II scanners.
 PRO FEATURES
• No ads
• Unlimited real-time parameter recording
• Multiple parameters at once
• Background mode recording
• GPS traces + parameter history
• Cloud data upload
• Fuel economy & acceleration widgets
• Overlay data over any app screen

 DIAGNOSTICS
Read Check Engine (MIL) status, freeze-frame data, and Mode 06 info. Clear diagnostic trouble codes (DTC). Save and share reports for repair shops. Supports OBD-II standard parameters (Engine & Emission systems).
 REAL-TIME PARAMETERS
Speed, RPM, coolant temp, pressure, O2 sensors, timing, and more PIDs - as charts or analog/digital widgets. Availability depends on car make, model, year.
 FUEL ECONOMY (ECONOMIZER)
Instant & average MPG, per-trip and per-day stats. Requires MAF or MAP+IAT+RPM support. Enter engine displacement and volumetric efficiency (default 80%) for accuracy.

MORE
• Logbook: fuel, service, maintenance notes, diagnostics
• Console mode: raw OBD2/ELM327 commands
• Custom PID & protocol configs

 ADAPTER & APP ISSUES
If you experience any issues with the adapter or connection, you can email us the connection log. It helps us to solve the issue quickly.
For questions and support, please contact us by email at support@incardoc.com
With inCarDoc you know your car before the check engine light surprises you.

## Key features

- OBD2 fault code scanner
- Real-time parameter monitoring
- Logbook for diagnostics and maintenance
- Fuel consumption control
- Mode 06 data access
- Customizable charts

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| inCarDoc PRO | $6.99 | one-time |


## What do users think of inCarDoc OBD2 ELM327 Scanner?

Overall sentiment: neutral

**Pros**

- 🚀 Easy to use
- 👍 Useful for troubleshooting
- 🚀 Fast connection
- 🚀 Provides real-time data
- 👍 Allows clearing of error codes
- 👍 Works with various vehicles

**Cons**

- 🐛 Connection issues
- 🐛 Crashes after updates
- 🐛 Inaccurate or incomplete data
- 🐛 Compatibility problems with certain vehicles
- 💰 Paid version required for advanced features

**Commonly reported bugs**

- Crashes on startup
- Unable to clear error codes
- Incorrect or missing sensor data

**Most requested features**

- Advanced diagnostics and data analysis
- Ability to export/share data
- Support for more vehicle makes and models
- Improved user interface and navigation

## Recent user reviews (10 of 184)

All indexed reviews: https://appshunter.io/ios/app/incardoc-obd2-elm327-scanner/id652142348/reviews.md

### 2/5 — Waste

*2026-08-24*

I have used this app for quite a while now and recent updates means I have to pay now just to use basic functions so I will not be using again

**Developer response:** The FREE version has no additional functionality limitations; all features available in the previous version of the app are still available after the update. If you have access issues or can't find the feature you need, please contact us directly through the app (i) - Contact us and specify the issue. We'll investigate the issue.

### 1/5 — Won’t connect after update

*2026-08-19*

Worked fine until the recent update. All lights working on WiFi dongle no issues with the dongle. I did email PNN the log and description no response.

**Developer response:** If you have any questions or problems, please get in touch with us directly from the app: Home Screen - Information - Contact Us, and be sure to describe your issue in more detail.

### 1/5 — Get rid of it

*2026-08-10*

This OBD 2 scanner use to be good for years it was free and easy to use. But greedy industry you are better off buying a OBD2 scanner that doesn’t have ads or buy a subscription in order to use this device. I deeply regret buying this garbage.

**Developer response:** Ads and some limitations are only available in the free version of the app. You can use the app without purchasing PRO. If you have any questions or problems, please contact us directly through the app (i) — "Contact Us" — and describe the issue. We'll do our best to assist you.

### 2/5 — Stop pushing your adapter

*2026-07-17*

This is a pretty good app, but you can’t connect without the app shoving a new adapter in your face. I HAVE AN ADAPTER. Sure, offer your option once but never again.

**Developer response:** If you have any questions or problems, please get in touch with us directly from the app: Home Screen - Information - Contact Us, and be sure to describe your issue in more detail.

### 1/5 — Scam

*2026-07-07*

Used to be a great app, then my phone offloaded it and I have to pay$35 to buy it again. No way to restore previous purchase. Never happened before, even though the app offloaded previously. Avoid this, use a different OBD software.

**Developer response:** All App Store licenses are attached to the account you pay from.
Using the same account and re-installing inCarDoc should automatically upgrade the app to Pro.
You might also force an upgrade with
Settings - Buy Pro (scroll to the bottom of the Settings page) - Restore purchase
More details about the app at https://inCarDoc.com

### 1/5 — doesn't work

*2026-05-20*

I stopped connecting to Elm via WiFi after the latest update.

**Developer response:** If you have any questions or problems, please get in touch with us directly from the app: Home Screen - Information - Contact Us, and be sure to describe your issue in more detail.

### 3/5 — Ok

*2026-05-17, version 3.0.6*

Works fine when it connects but it has trouble doing so

### 2/5 — Is anyone maintaining this app?

*2026-01-20*

Well, I can’t give it one star because it has got me through several issues. I just get really frustrated when I’m unable to connect to my OBDII reader. I can connect to the OBDII reader’s Wi-Fi through my phone settings just fine, but when I open the app, it’s very difficult to establish a connection.

### 4/5 — Much improved and good enough for me

*2026-01-17, version 3.0.2*

Tried using this 5 years ago in iOS but it wasn't compatible with my cheap obdii dongle. Now it seems to work great and I may not need to go back to using an Android device to work with said dongle

The free version is adequate for reading and clearing standard odbii codes and basic ecu engine statistics, etc.

### 1/5 — Not much help in pro version

*2025-01-28, version 3.0.2*

No difference between the two for Jeep and Chrysler cars. Just basic stuff.

## Frequently asked questions about inCarDoc OBD2 ELM327 Scanner

### What does the inCarDoc OBD2 app do?

The app functions as a car diagnostic tool that allows you to scan OBD2 fault codes, monitor real-time engine parameters like speed and RPM, and maintain a detailed logbook of your vehicle's diagnostics and maintenance. It helps in optimizing car performance and controlling fuel consumption by accessing data from your car's ECU.

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

Key features include the ability to quickly read and clear OBD2 diagnostic trouble codes (DTC), view check engine light statuses, access Mode 06 data for advanced troubleshooting, monitor real-time sensor data with customizable charts, and track fuel consumption. It also offers a maintenance logbook for recording service details.

### How much does the inCarDoc OBD2 app cost?

The app is available for free with optional in-app purchases for a PRO version. The free version provides core diagnostic and logging functionalities, while the PRO version offers advanced features like background operation, advanced recording, and data upload to a server.

### What do I need to use the inCarDoc OBD2 app?

To use the app, you will need an ELM327 or a compatible OBD2 adapter that connects to your car's OBD2 port. The app supports both Wi-Fi and compatible Bluetooth adapters, with specific models listed in the app's description for optimal compatibility.

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

Common use cases include diagnosing check engine lights, monitoring engine performance during driving, tracking fuel efficiency to save money, and keeping a digital record of vehicle maintenance and service history. It's useful for both everyday drivers and car enthusiasts.

## Version history (last 5 releases)

### 4.0.1 — 2026-08-25

• Added error statistics by car model
 • Added the ability to select settings on the home screen for each car individually
 • Updated and improved the display of widgets in dynamic settings and drop-down menus
 • Added the ability to back up your data
 • Restored the ability to customize combo settings to suit your needs
 • Restored the ability to send your Logbook entries to your account on the portal
 • Updated localization
 • Plus other fixes and improvements

### 4.0.0 — 2026-07-07

Complete app redesign with new interface, improved OBD-II diagnostics, trip logbook, and full iOS support.

### 3.0.8 — 2026-06-16

Dear inCarDoc users,

With this update we bring bug fixes and performance improvements along with the new and refined features:
-Fixed issue with permissions for iOS 26+

### 3.0.6 — 2026-05-04

Dear inCarDoc users,

With this update we bring bug fixes and performance improvements along with the new and refined features:
-Fixed issue with dynamic parameters for new iOS version

### 3.0.4 — 2026-01-29

Dear inCarDoc users,

With this update we bring bug fixes and performance improvements along with the new and refined features:
- Fixed bug with Vgate adapter

Sincerely yours,
inCarDoc Team

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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 2026-08-29.*