UstaScan vs OBD2 Car Diagnostics
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
UstaScan
This app uses AI to diagnose your car's issues by connecting to its OBD2 port via Bluetooth. It provides real-time data, reads and clears fault codes, and offers performance testing. Monitor your vehicle's health with live charts and detailed sensor information.
- AI-powered car diagnostics
- Real-time data monitoring
- Read and clear fault codes
- Performance testing (acceleration, braking)
- Live charts and sensor data
Read full descriptionHide full description
UstaScan is a powerful OBD2 car diagnostic app that connects to your vehicle via Bluetooth. Monitor real-time data including speed, RPM, engine temperature, and battery voltage. Read and clear fault codes (DTCs), run AI-powered diagnostics, and test your car's performance with acceleration and braking tests. Stay on top of your vehicle's health with live charts and detailed sensor data.
OBD2 Car Diagnostics
Read full descriptionHide full description
OBD2 Car Diagnostics puts a professional-grade fault code reference and vehicle maintenance tracker right in your pocket. Whether your check engine light just came on or you want to stay ahead of routine service, this app gives you the clarity you need. INSTANT DTC LOOKUP Search thousands of OBD2 diagnostic trouble codes by code number, description, or vehicle system. Each code entry shows the affected system, plain-English description, and a severity rating — Critical, High, Medium, or Low — so you know exactly how urgent the issue is. FILTER BY SYSTEM AND SEVERITY Quickly narrow results by vehicle system (engine, transmission, ABS, airbag, EVAP, and more) or by severity. Save codes you care about with a single tap and review them anytime in the Saved tab. MULTI-VEHICLE GARAGE Add all your cars, trucks, or motorcycles. Each vehicle shows its current odometer reading and a colour-coded maintenance health ring at a glance. Track make, model, year, and mileage for every vehicle in one place. MAINTENANCE REMINDERS Set odometer-based service reminders for oil changes, tyre rotations, brake inspections, air filters, and more. The Dashboard immediately surfaces any service that is due or overdue so nothing slips through the cracks. SERVICE HISTORY AND COST TRACKING Log every service visit with date, odometer, cost, and notes. View running totals per vehicle and share a full service report as plain text whenever you need it for insurance, resale, or your own records. Key features: - Offline DTC database — no internet connection required - Severity ratings: Critical, High, Medium, Low - Filter by category and severity simultaneously - Save and manage fault codes per vehicle - Odometer-based maintenance reminders - Full service log with cost tracking - Share vehicle reports in plain text - Dark mode support
Screenshots
Verdict
The clearest difference is device support: UstaScan at 3 against OBD2 Car Diagnostics's 1. UstaScan also leads on iOS requirement (12.0 vs 17.0). On price, 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.
| Parameter | UstaScan | OBD2 Car Diagnostics |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 2 days | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 35 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Mustafa Yousif | Linh Phan Nhat Khanh |
In-app purchases
UstaScan
No in-app purchases
OBD2 Car Diagnostics
No in-app purchases









