OBD Mary — simple and powerful Android OBD2 scanner with trip computer📱

What it does
OBD Mary connects to a reliable ELM327 adapter (Bluetooth/BLE or Wi-Fi) to read/clear DTCs, stream real-time sensor data, build custom gauge dashboards, log trips and record parameters to CSV for later analysis.

OBD Mary home screen with quick access to Dashboard, Diagnosing, Trip Computer and Data Recording.OBD Mary diagnosing screen reading and clearing DTCs across ECUs with confirmed and pending codes.OBD Mary dashboard showing customizable gauges for RPM, speed, temperature, voltage and engine load.OBD Mary parameters view with Freeze Frame and on-board monitoring data for misfires and sensor values.

Highlights
  • Diagnosing: read and clear trouble codes from supported ECUs; view code status and descriptions.
  • Dashboards: create your own gauge layouts and styles for RPM, speed, temps, voltage, load and more.
  • Params: Live Data, Freeze Frame, on-board monitoring and more per ECU support.
  • Trip statistics: automatic trip logging with distance, time, average speed and fuel usage.
  • Data recording: select PIDs to log, view graphs and export CSV files.
  • Clean UI: quick access to Dashboard, Diagnosing, Trip Computer and Data Recording.

Compatibility
• Vehicles: OBD2/EOBD-compliant petrol and diesel cars/light trucks (actual coverage depends on ECU).
• Adapters: genuine-chip ELM327 Bluetooth/BLE or Wi-Fi recommended for stable refresh rates.
• OS: Android 5.0+ (phone/tablet).
• Package here: Obd_Mary_v1.250_250_Premium.apk.

Quick start
  1. Plug in the ELM327 adapter and turn ignition to ON.
  2. Pair via Bluetooth/BLE (or connect via Wi-Fi) and open OBD Mary.
  3. Use Diagnosing to scan/clear codes or Dashboard for live gauges.
  4. Enable Data recording to save CSV logs; check Trip Computer for statistics.

Tips: use quality adapters, keep ventilation during tests, and save logs before clearing codes so you can track repairs.



Tested environment
Verified on Android 12/13 with genuine-chip Bluetooth and Wi-Fi ELM327 adapters; designed to operate on Android 5.0–14.

Disclaimer
This description summarizes public information for educational/archival purposes. Any files referenced are hosted by third parties and were uploaded by unknown users; our community does not claim ownership. Rights holders may contact us for prompt assistance.

OBD Mary trip statistics with distance, trip time, average speed and fuel usage summaries.OBD Mary data recording screen for selecting PIDs, viewing graphs and exporting CSV logs.
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Bin
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