ezOBD vs YAWOA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ezOBD
Access detailed information about your car's health and performance. Monitor real-time engine parameters, fuel consumption, and diagnostic trouble codes. Features a customizable dashboard and graphing capabilities, with VIN decoding and emission test readiness checks.
- Real-time dashboard display
- Customizable gauges
- Real-time graphing
- Read and clear DTC codes
- Monitor fuel consumption
- VIN decoder
- Emission test readiness
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Get access information from the computer(s) in your car about its health and performance Important features and improvements will be based on feedback from our fast growing community Works with Wi-Fi or Bluetooth BLE (4.0) VIN decoder reads car info without having to type in Context sensitive help system Real-time dashboard display with fully customizable gauges Real-time user defined graphing of multiple signals Supports all standard PIDs Monitor fuel consumption while you drive and save money on gas Generate and email logs and diagnostic/repair reports Real-time engine & vehicle parameters Read and clear DTC engine codes Multiple ECU support Free unlimited updates Ad-free Emission test: make sure if your car will pass or fail an emission test View RPMs, coolant temperature, oxygen sensor readings All the OBD II protocols are supported Very simple to use! You don't even have to select your car model Works with inexpensive Bluetooth BLE or Wi-Fi OBD2 devices In graphs you can send a png file of graph along with the csv file We are working hard to enhance the product and will be releasing frequent updates. If you have feedback or questions, please reach out to us directly at support@ezobd.com
YAWOA
This diagnostic tool helps users understand their vehicle's performance and troubleshoot issues. It allows for scanning and clearing trouble codes, viewing real-time data, and checking smog readiness. Ideal for mechanics, enthusiasts, and everyday drivers seeking to diagnose and fix their car.
- Generate, print, and share repair reports
- Scan and clear trouble codes
- View Mode 6 monitoring results
- Smog readiness check
- Access freeze frame data
- Interactive data graphing and logging
- Wireless vehicle communication
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YAOWA® is a Premium Diagnostic OBD2 Scan Tool. It is used by professional mechanics, auto enthusiasts, and everyday vehicle owners who want to know more about how their vehicle is operating and how their vehicle can be fixed if the Check Engine Light comes on. Features: • Generate, print, and share Repair Reports (details below) • Scan For Trouble Codes • Clear Trouble Codes • Mode 6 (On-Board Monitoring Test Results) • Smog Readiness Check • Freeze Frame Data • Multi data (PID) interactive graphing and logging • No Wires! Communicates with your vehicle wirelessly • Metric and Imperial settings
Screenshots
Verdict
The clearest difference is rating: YAWOA at 5.0 against ezOBD's 3.3. ezOBD's advantage is ratings volume (6 vs 1) and iOS requirement (8.1 vs 10.0). On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
YAWOA holds the better App Store score, 5.0 against 3.3. That said, the two scores are not equally well evidenced: ezOBD has 6 ratings behind it against 1, so its average is the more settled of the two.
ezOBD ships an update monthly, YAWOA every 2 months. The most recent releases landed on October 25, 2026 and October 20, 2026 respectively.
| Parameter | ezOBD | YAWOA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.3 (6 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 6 — better | 1 |
| Update frequency | Monthly — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 8.1 — better | 10.0 |
| Further details — not scored | ||
| Size | 4 MB | 104 MB |
| Age rating | 4+ | 4+ |
| Developer | UP & RUNNING | 亮 侯 |
Customer experience
ezOBD
YAWOA
In-app purchases
ezOBD
No in-app purchases
YAWOA
No in-app purchases









