About PolyDiag
Take control of your car's health! Turn your phone into a powerful diagnostic tool with our ELM327 Bluetooth OBD2 scanner app.
✨ KEY FEATURES:
• Free with no Ads, only in app/purchase to by me a coffee 🍵
• Read and Clear Fault Codes: Quickly discover why the 'Check Engine' light is on and clear the DTC (Diagnostic Trouble Codes) to reset it.
• Live Sensor Gauges: Monitor your car's performance in real-time. View RPM, coolant temperature, and engine load on a custom dashboard.
• Universal Compatibility: Works seamlessly with most OBD2-compliant vehicles.
⚠️ Note: An ELM327 Bluetooth OBD2 adapter is required to use this app.
Download now and drive with confidence!
PolyDiag details
PolyDiag is a free Tools app for Android with 10+ installs on Google Play. It was released on September 11, 2026 and last updated on September 24, 2026. It requires Android 7.0 or later. The app offers in-app purchases.
- Category
- Tools
- Installs
- 10+
- Price
- Free
- In-app purchases
- Yes
- Ads
- No ads
- Current version
- 23.0
- Requires Android
- 7.0
- Content rating
- Everyone
- Released
- September 11, 2026
- Last updated
- September 24, 2026
Alternatives to PolyDiag
Looking for apps like PolyDiag? Here are 6 similar Android apps on Google Play. The highest rated is OBDocker - OBD2 Car Scanner (4.2/5), and all 6 are free to download.
FIXD OBD2 Scanner
Your car is talking. Start listening.
ScanMaster for ELM327 OBD-2
ScanMaster Lite is an application for vehicle diagnostics to OBD-2 standards.
AUTOsist Fleet Maintenance App
Fleet Maintenance Management App & Software - Maintenance, Fuel, GPS & More
Carly — OBD2 car scanner
Save money on your car, detect errors, customize its features, and more
OBDocker - OBD2 Car Scanner
Ultimate OBD2 Car Scanner: Diagnostics, Service and Modification Tool
RepairSolutionsPRO
RepairSolutions®PRO - By Pros for Pros
| App | Rating | Price | Installs | Last updated |
|---|---|---|---|---|
| PolyDiag | – | Free | 10+ | Sep 24, 2026 |
| FIXD OBD2 Scanner | 4.1 / 5 | Free | 500,000+ | – |
| ScanMaster for ELM327 OBD-2 | 4.1 / 5 | Free | 1,000,000+ | – |
| AUTOsist Fleet Maintenance App | 3.8 / 5 | Free | 50,000+ | – |
| Carly — OBD2 car scanner | 3.7 / 5 | Free | 1,000,000+ | Sep 16, 2026 |
| OBDocker - OBD2 Car Scanner | 4.2 / 5 | Free | 100+ | – |
| RepairSolutionsPRO | 3.8 / 5 | Free | 5,000+ | – |
