YMOBD vs QrX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YMOBD
This tool connects to your car's OBD adapter via Bluetooth to collect real-time engine data, read fault codes, and provide solutions. It also records driving data, analyzes performance, and offers a HUD display for a safer and more enjoyable driving experience.
- 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
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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.
QrX
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Unlock the power of scanning with QrX, the ultimate QR code and barcode reader that goes beyond simple scanning. Whether you need to scan a code for quick access to information or create your own custom QR codes and barcodes, QrX has you covered. **Key Features:** - **Fast and Accurate Scanning:** Instantly scan QR codes and barcodes with precision, making it easier than ever to access links, product information, and more. - **Customizable Designs:** Personalize your QR codes with unique designs and colors to make them stand out. Perfect for marketing materials, events, or personal use. - **User-Friendly Interface:** Enjoy a seamless experience with an intuitive design that makes scanning and creating codes a breeze. - **History Tracking:** Keep track of all your scanned codes in one place, making it easy to revisit important links and information. - **Share with Ease:** Quickly share your created QR codes via social media, email, or messaging apps to reach your audience effectively. With QrX, you can transform how you interact with the world around you. Whether you’re a business owner looking to enhance your marketing strategy or an individual wanting to simplify your life, QrX is the perfect tool for you. Download now and experience the future of scanning! Privacy policy: https://qrx.zeynx.co/privacy Terms of use: https://qrx.zeynx.co/terms
Screenshots
Verdict
The clearest difference is iOS requirement: YMOBD at 13.0 against QrX's 15.5. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. YMOBD sells 4 one-off in-app purchases and QrX sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.
| Parameter | YMOBD | QrX |
|---|---|---|
| Price | Free | Free |
| Rating | 2.9 (84 ratings) — better | — |
| Positive reviews | 34.3% of reviews | — |
| Number of ratings | 84 — better | — |
| Update frequency | Every 5 weeks | — |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 49 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | shenzhen yuming | Sedat Gulmen |
Bugs and requests
YMOBD
Reported bugs
15 issues- 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
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- 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
Requested features
10 requests- Dark Mode support
- Landscape mode support
- Store data for comparison over time
- Summary of vehicle diagnostics without connection
- Run in background feature
Show 5 moreShow fewer
- 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
QrX
Not enough reviews yet to summarise bugs or requests.
In-app purchases
YMOBD
- 车辆年检模拟$0.99
- YMOBD-business expansion$1.99
- YMOBD-Battery monitoring$2.99
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- Super Car Sound$5.99
QrX
- Weekly Pro$9.997 Days
- Monthly Pro$31.491 Year









