# YMOBD — YMOBD car inspection tool

> Car diagnostic and performance analysis tool connecting via Bluetooth OBD adapter. (iPhone/iPad app by Shenzhenshi Yuming Electronics Co., Ltd..)

- Source: https://appshunter.io/ios/app/ymobd/id1627949735 (this page in markdown: same URL + `.md`)
- Developer: [Shenzhenshi Yuming Electronics Co., Ltd.](https://appshunter.io/developer/1432795415)
- Category: Utilities, Productivity
- Price: Free with in-app purchases
- Rating: 2.88/5 from 83 App Store ratings · 57 written reviews indexed
- Age rating: 4+
- Requires: iOS 13.0 · 48 MB
- Languages: Arabic, Bangla, Czech, Danish, Dutch, English, Finnish, French, German, Hindi and 15 more
- Released: 2022-06-08
- Data updated: 2026-08-17
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/ymobd/id1627949735/reviews.md

## What is YMOBD?

YMOBD is a practical too. It has the characteristics of simple operation and accurate data, and is suitable for long-term use by car owners and users.
Keep your car away from hidden dangers and make driving fun!
Connect and communicate with the OBD adapter via Bluetooth:
It can collect car engine data in real time, such as engine speed, ignition time, then correction, water temperature, fuel consumption, etc., with two modes of day and night, with HUD display function.
It can read vehicle fault codes and provide professional solutions for detected vehicle fault codes.
The driving process of the vehicle can be recorded every time. Analyze and summarize data such as mileage, average fuel consumption, driving time, and driving speed.
It can test the acceleration, braking, and other performance of the vehicle, and provide analysis reports.

## Key features

- Real-time engine data collection
- Vehicle fault code reading and solutions
- Driving data recording and analysis
- Vehicle performance testing (acceleration, braking)
- HUD display function
- Day and night modes

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Super Car Sound | $5.99 | one-time |
| 车辆年检模拟 | $0.99 | one-time |
| YMOBD-Battery monitoring | $2.99 | one-time |
| YMOBD-business expansion | $1.99 | one-time |


## What do users think of YMOBD?

Overall sentiment: mixed

**Pros**

- 👍 Works well with Toyota
- 👍 Accurate with many functions
- 👍 Amazing for fixing cars
- 👍 Useful for live data monitoring
- 👍 Great and very detailed
- 👍 All in one place
- 👍 Works properly enough
- 👍 Very useful and fast
- 👍 Great app, more than expected
- 👍 Works perfectly
- 👍 Very pleased with app and reader
- 👍 Easy to get app up and running
- 👍 Love it! Scans really fast
- 👍 Interesting information provided
- 👍 Great app, works great
- 👍 Amazing app, lots of features
- 👍 Codes were spot on
- 👍 Very impressed with performance

**Cons**

- 🐛 Scam, pay again for add-on
- 🐛 Crashes on iPhone 17 Pro
- 🐛 Requires personal info sharing
- 🐛 Does not connect at all
- 🐛 Junk, doesn't read OBD2 reader
- 🐛 No transmission temperature reading
- 🐛 Requires location service
- 🐛 Can't figure out OBD parts
- 🐛 Needs model, make, year input
- 🐛 Doesn't work on Seat Ibiza 1.4
- 🐛 No Jeep Liberty option
- 🐛 Endless loop trying to connect
- 🐛 Keeps disconnecting from Bluetooth
- 🐛 Bad app, forces location
- 🐛 Requires location services
- 🐛 Invasion of privacy, requires location
- 🐛 Need to buy high-end add-on
- 🐛 Does not work on iOS 18
- 🐛 Pin required, not provided
- 🐛 Data error (O2 sensor status)
- 🐛 Does not work on iPhone
- 🐛 Trash app
- 🐛 Updated firmware, now won't connect
- 🐛 Won't work on 328i, requires pay version?
- 🐛 App says OBD connected, but not
- 🐛 Only used once, stopped working
- 🐛 Rarely connects, disconnects when getting info
- 🐛 Email not arriving for account creation
- 🐛 Captcha problem
- 🐛 Doesn't send code to email
- 🐛 Captcha problem, old version better

**Commonly reported bugs**

- App crashes on iPhone 17 Pro
- Purchased add-on requires payment again
- Contact section not working
- App crashes every time on iPhone 17 Pro
- Does not connect at all
- OBD2 reader not read by software
- No transmission temperature reading
- Bluetooth keeps disconnecting
- App says OBD is connected but doesn't show info
- Updated firmware, now won't connect
- App stopped working after update
- Rarely connects, disconnects when trying to get info
- Email not arriving for account creation
- Captcha not working/sending code
- Does not work on iOS 18

**Most requested features**

- Dark Mode support
- Landscape mode support
- Store data for comparison over time
- Summary of vehicle diagnostics without connection
- Run in background feature
- Weekly report of diagnostics
- Allow viewing diagnostic data in offline mode
- Remove need for model, make, year input for quick scans
- More frequent updates and optimizations
- Add landscape function in dashboard

## Recent user reviews (10 of 57)

All indexed reviews: https://appshunter.io/ios/app/ymobd/id1627949735/reviews.md

### 1/5 — Not working

*2026-07-25, version 3.0.0*

Will not work on my newer iPhone

### 2/5 — Does not work

*2026-07-12, version 3.0.0*

I have abs light on dash but tracer says no lights

### 1/5 — Scam

*2026-03-29, version 2.9.3*

App works great. I purchased the battery monitor add on awhile ago, and it worked fine. Now when I log in to use that, it is trying to make me pay again and the contact section doesn’t work…

### 2/5 — Does not work on iPhone 17

*2026-03-12, version 2.9.3*

App crashes every time I try to open it on my iPhone 17 Pro.  It opens fine on my old iPhone 13…

### 1/5 — Personal Info

*2026-03-06, version 2.9.3*

I try to used this app and it wouldn’t unless I give my personal information for them to share and it’s unnecessary to look the car computer.  Returning

### 1/5 — Don’t bother

*2026-02-28, version 2.9.3*

I tried everything the app suggests as well as reading other reviews. It doesn’t connect at all. I’ve tried everything. Too good to be true. Great idea terrible product.

### 5/5 — Amazing

*2026-02-19, version 2.9.3*

This dongle is perfect    I fixed 3 cars with it.   Amazing.  Must have.   Since you have a phone you can use it.  No need for a big extra device.    Please get on you will be happy.   Amazon sells the dongle

### 5/5 — Decent OBD app

*2025-11-27, version 2.9.0*

Works well with my Toyota. I keep it connected to my truck so whenever I feel there's an issue, I can pull up the app on my phone a check into it. It's been very helpful so far.

### 5/5 — Well made

*2025-10-24, version 2.8.7*

Absolutely accurate and it also has a ton of functions love it. I’ve been using this product for about a year now and have never had an issue

### 1/5 — Junk

*2025-10-18, version 2.8.7*

Just purchased an obd2 reader that is supposed to work with this software and it is complete garbage. Says my Bluetooth and locations need to be turned on and I have googled them off and on countless times. The device is powered on but software doesn’t read it at all.

## Frequently asked questions about YMOBD

### What does the YMOBD app do?

The app connects to your car's OBD adapter via Bluetooth to collect real-time engine data, read vehicle fault codes and offer solutions, record and analyze driving data, and test vehicle performance. It also features a HUD display for enhanced driving.

### What kind of car data can I monitor with YMOBD?

You can monitor various engine data points in real-time, including engine speed, ignition time, fuel consumption, and water temperature. The app also records and analyzes mileage, average fuel consumption, driving time, and driving speed.

### How does YMOBD help with car problems?

The app can read vehicle fault codes and provides professional solutions for any detected issues. This helps car owners understand potential problems and take appropriate action to keep their vehicles running smoothly.

### Is YMOBD compatible with all cars?

The app requires a connection to a car's OBD adapter via Bluetooth. While the description doesn't specify exact compatibility, OBD-II ports are standard on most vehicles manufactured after 1996 in the US, and similar standards exist globally.

### What are the main benefits of using YMOBD?

The primary benefits include keeping your car away from hidden dangers by monitoring its health, making driving more fun through performance analysis, and gaining insights into your driving habits. The HUD display also contributes to a safer driving experience.

## Version history (last 5 releases)

### 3.0.0 — 2026-06-04

Fixed some known issues.

### 2.9.6 — 2026-05-08

1. Fixed some known issues.

### 2.9.4 — 2026-04-28

1. Fixed some known issues.

### 2.9.3 — 2026-01-21

Fixed some known issues.

### 2.9.0 — 2025-11-26

1. Added service Super Car Sound.
2. Fixed some known issues.

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## Related topics

[ymobd](https://appshunter.io/ios/topics/ymobd)

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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 2026-08-17.*